Patent application number | Description | Published |
20110164437 | LLC Soft Start By Operation Mode Switching - An embodiment of the invention provides a method of reducing surge current in an LLC converter. The LLC converter comprises a switching circuit having a first switch and a second switch, a resonant circuit, and a rectification circuit. During start up of the LLC converter, first and second signals having a fixed period and a variable duty cycle are applied to the first and second switches respectively. When a predetermined voltage on a load configured to be coupled to the rectification circuit is reached, the first and second signals are changed to signals having a variable period and a fixed duty cycle. | 07-07-2011 |
20110211370 | Systems and Methods of Resonant DC/DC Conversion - Systems and methods of resonant DC/DC conversion disclosed herein improve the basic resonant converter designs by proactively setting and coordinating the gate drive timings between the primary side and secondary side. By proactively setting and coordinating gate drives timings between the primary side and secondary side, both efficiency and transient performance optimizations may be achieved with or without diode emulation mode, depending on whether the switching frequency is below resonance or above resonance, and the nature of the load characteristics. If the switching frequency of the converter is determined to be at or below the resonance frequency, the output transistors may be configured to be fully active at or above a predetermined output load current. The turn-on timing of the output transistors is dependant on the load for a given output voltage, and is almost independent of input voltage. Turn-on timing may be significantly different at light load to no load. | 09-01-2011 |
20120200268 | METHOD AND APPARATUS FOR OPERATING POWER FACTOR CORRECTION CIRCUIT - A method of operating a power factor correction (PFC) circuit and a corresponding power factor correction circuit include determining an adaptive switching frequency of the PFC circuit related to a current of the boost inductor of the PFC circuit, and operating the PFC circuit at a light load based on the adaptive switching frequency. | 08-09-2012 |
20120287680 | SYSTEMS AND METHODS FOR CONSTANT CURRENT CONTROL IN AN LLC RESONANT POWER REGULATOR - One embodiment relates to an LLC resonant power converter system. The system includes a transformer comprising a primary inductor and a secondary inductor and a switch control stage configured to generate a plurality of switching signals having a duty-cycle. The system also includes an input stage comprising the primary inductor and a plurality of switches that are controlled in response to the respective plurality of switching signals to generate a primary resonant current and an output stage comprising the secondary inductor and being configured to conduct an output current through a load based on a secondary resonant current to generate an output voltage. The system further includes a controller configured to limit a magnitude of the output current to a predetermined magnitude in response to variations of the load. | 11-15-2012 |
20140052394 | Systems and Methods of Input Power and Current Measurement - As disclosed herein, a PFC control device, may be used for power factor correction and for input power and current measurement simultaneously. To determine the input power, input voltage and input current are determined. These measurements may be performed using a current sensor and a voltage sensor, for example. In an example embodiment of the systems and methods of input power and current measurement disclosed herein, the current is measured after an electromagnetic interference (EMI) filter. The input voltage and input current should be sampled substantially simultaneously. The measured input current is adjusted due to a phase shift introduced in the current sense circuit. The input voltage and input current should be sampled substantially simultaneously. The input power is determined using the PFC input voltage and the adjusted input current. The total input current is determined using the PFC input current and the EMI filter reactive current. | 02-20-2014 |
Patent application number | Description | Published |
20110165169 | COMPLEMENT INHIBITORS AND USES THEREOF - The invention relates to C2a inhibitors, which bind to C2a and block the functional activity of C2a in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 07-07-2011 |
20110195069 | INHIBITORS OF COMPLEMENT ACTIVATION - The invention relates to factor D inhibitors, which bind to factor D and block the functional activity of factor D in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 08-11-2011 |
20120322975 | NUCLEIC ACIDS ENCODING ANTIBODIES THAT BIND FACTOR D - The invention relates to factor D inhibitors, which bind to factor D and block the functional activity of factor D in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 12-20-2012 |
Patent application number | Description | Published |
20090234970 | INDIVIDUALS' URL IDENTITY EXCHANGE AND COMMUNICATIONS - A method for managing data associated with a data profile involves providing a web server hosting facility, providing a set of remote-hosted second.top domains, storing, on the web server hosting facility, a set of web-accessible data profiles for a third level domain name of the set of remote-hosted second.top domains with any file suffixes, and searching and extracting data from the set of web-accessible data profiles to obtain extracted data. | 09-17-2009 |
20110219075 | MULTIPLE URL IDENTITY SYNTAXES AND IDENTITIES - Any arrangement of URLv identity syntax can now be used in a repository, once its second.top domain is known to have an identity syntax. The repository can extract, select, store, organize, prioritize, and consolidate URLvs of differing identity syntaxes. The correlation and association among different contact entities' containing the same individual's identities can yield accurate same individual's identity and URLvs. These increase the competition of the Internet by enabling users to transport their data easily to websites allowing for individuals' data-transport. | 09-08-2011 |
20120066362 | ASSOCIATED URLVS IN EXCHANGES - Web individuals' exchanges can be easily created by users inputting in, through a personal access, their identified URLvs from differing second-top level domain names. An associated identities database and a URLv syntax database can verify that these differing second-top domain name URLvs belong to the same individual. Once URLvs are verified, the URLvs are stored in individual's personal data repositories, which can extract data from the stored URLvs' webpages, including through using APIs. The result is that URLvs can be used to easily input data into prior-art web exchanges, or can create new web exchanges by multiple people inputting in their URLvs to the new web exchange. These features enable data portability of the individual's own data and weaken current monopoly individuals' exchange websites. | 03-15-2012 |
Patent application number | Description | Published |
20110174541 | Method and System for Predicting Performance of a Drilling System - A system for drilling a well comprises a drill string in a wellbore having a bit at a distal end thereof. At least one sensor measures a drilling parameter. A computer controller has a set of instructions stored therein to process the measured drilling parameter over a drilled interval to calculate, in substantially real time, an updated friction slope and an updated worn bit slope and to calculate an updated drilling parameter for at least a portion of the well-based on the updated friction slope and the updated worn bit slope. | 07-21-2011 |
20140209317 | MOBILE WORKFLOW ORCHESTRATION AND JOB EXECUTION FOR HYDROCARBON RECOVERY OPERATIONS - An example method for mobile workflow orchestration and job execution for a hydrocarbon recovery operation may include generating a workflow corresponding to the hydrocarbon recovery operation and providing the workflow to a first information handling system located at the site of the hydrocarbon recovery operation. The workflow may also be provided to a second information handling system remote from the site of the hydrocarbon recovery operation. Information regarding the workflow may be received from the first information handling system, and the workflow at the second information handling system may be updated based, at least in part, on the information received from the first information handling system. | 07-31-2014 |
20140214476 | DATA INITIALIZATION FOR A SUBTERRANEAN OPERATION - An example process for data initialization for a drilling operation may include generating a pre-well job packet for the drilling operation. The pre-well job packet may include at least one of formatted well planning data, contractual data, and equipment data; and may be generated at a first information handling system located remotely from a site of the drilling operation. The pre-well job packet may be received at a second information handling system located at the site of the drilling operation. Data from the pre-well job packet may be automatically imported into a software application of the second information handling system. | 07-31-2014 |
Patent application number | Description | Published |
20090029167 | Polymer nanocomposites including dispersed nanoparticles and inorganic nanoplatelets - Nanocomposites and method of making same are provided using nanoplatelets. A nanocomposite is provided, and the nanocomposite includes nanoparticles, inorganic platelets, and a polymer material. A method is provided for dispersing nanoparticles into a polymeric material by using inorganic nanoplatelets. | 01-29-2009 |
20090035469 | DISPERSION, ALIGNMENT AND DEPOSITION OF NANOTUBES - A dispersible nanocomposite comprising nanotubes associated with nanoplatelets. A method for creating an exfoliated nanotubes solution, aligning nanotubes and depositing them on a substrate or in matrix. In one embodiment, the method includes a nanocomposite of at least one nanotube electrostatically associated with at least one nanoplatelet. The nanoplatelets may be removed from the suspension by altering the ionic strength to create an exfoliated nanotube solution. The exfoliated nanotube solution for injection into microchannel templates and aligned deposition. | 02-05-2009 |
20090105413 | WATER-SOLUBLE NANOPARTICLES WITH CONTROLLED AGGREGATE SIZES - A method of forming dispersed water-soluble quantum dots and tuning water-soluble quantum dot aggregate size by providing a plurality of water-soluble quantum dots in a dispersion, the plurality of water-soluble quantum dots are modified with an amphiphilic polymer, and by adding an amount of the amphiphilic polymer to the dispersion such that the ratio of the amphiphilic polymer units to quantum dots is maintained higher to obtain dispersions of smaller quantum dot aggregates and kept lower to obtain dispersions of larger quantum dot aggregates. | 04-23-2009 |
20100197832 | ISOLATED NANOTUBES AND POLYMER NANOCOMPOSITES - A method for producing a nanocomposite, the nanocomposite comprises at least one nanofiller, wherein said nanofiller comprises at least one nanotube, and a medium comprising a polymeric matrix. Further, the nanotube comprises at least one exfoliated nanotube. The method comprises agglomerating at least one nanotube from a nanotube and nanoplatelet dispersion in a solvent. Additionally, the method comprises redispersing at least one nanotube in a matrix precursor solution. | 08-05-2010 |
Patent application number | Description | Published |
20130137976 | Functional, Cross-Linked Nanostructures for Tandem Optical Imaging and Therapy - The present invention provides optical agents comprising optically functional cross linked supramolecular structures and assemblies useful for tandem optical imaging and therapy. Supramolecular structures and assemblies of the present invention include optically functional shell-cross linked micelles wherein optical functionality is achieved via incorporation of one or more linking groups that include one or more photoactive moieties. The present invention further includes imaging and therapeutic methods using one or more optical agents of the present invention including optically functional shell cross-linked micelles having an associated therapeutic agent. | 05-30-2013 |
20130210156 | Uniform, Functionalized, Cross-Linked Nanostructures for Monitoring pH - Described herein are optical agents, including compositions, preparations and formulations, for monitoring the pH of a fluid. Optical agents described herein include photonic nanostructures and nanoassemblies including supramolecular structures, such as shell cross-linked micelles, that incorporate at least one linking group comprising one or more photoactive moieties that provide functionality as exogenous agents for a range of pH monitoring applications. Optical agents described herein comprise supramolecular structures having linking groups imparting useful optical and structural functionality. In an embodiment, for example, the presence of linking groups function to covalently cross link polymer components to provide a cross-linked shell stabilized supramolecular structure, and also impart useful optical functionality, for example by functioning as a fluorophore. | 08-15-2013 |
20140141375 | SELF-ASSEMBLED STRUCTURES, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a composition comprising a graft block copolymer comprising a copolymer comprising a backbone polymer; and a first graft polymer that comprises a surface energy reducing moiety; the first graft polymer being grafted onto the backbone polymer; where the surface energy reducing moiety comprises a fluorine atom, a silicon atom, or a combination of a fluorine atom and a silicon atom; a photoacid generator; and a crosslinking agent. | 05-22-2014 |
20140141376 | SELF-ASSEMBLED STRUCTURES, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a composition comprising a graft block copolymer comprising a first block polymer; the first block polymer comprising a backbone polymer and a first graft polymer; where the first graft polymer comprises a surface energy reducing moiety; and a second block polymer; the second block polymer being covalently bonded to the first block; wherein the second block comprises the backbone polymer and a second graft polymer; where the second graft polymer comprises a functional group that is operative to crosslink the graft block copolymer; a photoacid generator; and a crosslinking agent. | 05-22-2014 |
20140142249 | SELF-ASSEMBLED STRUCTURES, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a graft block copolymer comprising a first block polymer; the first block polymer comprising a backbone polymer and a first graft polymer; where the first graft polymer comprises a surface energy reducing moiety; and a second block polymer; the second block polymer being covalently bonded to the first block; wherein the second block comprises the backbone polymer and a second graft polymer; where the second graft polymer comprises a functional group that is operative to crosslink the graft block copolymer. | 05-22-2014 |
20140142252 | SELF-ASSEMBLED STRUCTURES, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a copolymer comprising a backbone polymer; and a first graft polymer that comprises a surface energy reducing moiety; the first graft polymer being grafted onto the backbone polymer; where the surface energy reducing moiety comprises a fluorine atom, a silicon atom, or a combination of a fluorine atom and a silicon atom. | 05-22-2014 |
20150072291 | SELF-ASSEMBLED STRUCTURES, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a graft block copolymer comprising a first block polymer; the first block polymer comprising a backbone polymer and a first graft polymer; where the first graft polymer comprises a surface energy reducing moiety that comprises a halocarbon moiety, a silicon containing moiety, or a combination of a halocarbon moiety and a silicon containing moiety; a second block polymer; the second block polymer being covalently bonded to the first block; wherein the second block comprises the backbone polymer and a second graft polymer; where the second graft polymer comprises a functional group that is operative to undergo acid-catalyzed deprotection causing a change of solubility of the graft block copolymer in a developer solvent. | 03-12-2015 |
20150072292 | SELF-ASSEMBLED STRUCTURES, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a photoresist composition comprising a graft block copolymer; a solvent and a photoacid generator; where the graft block copolymer comprises a first block polymer; the first block polymer comprising a backbone polymer and a first graft polymer; where the first graft polymer comprises a surface energy reducing moiety that comprises a halocarbon moiety or a silicon containing moiety; and a second block polymer; the second block polymer being covalently bonded to the first block; wherein the second block comprises the backbone polymer and a second graft polymer; where the second graft polymer comprises a functional group that is operative to undergo deprotection and alter the solubility of the graft block copolymer; where the graft block copolymer has a bottle brush topology. | 03-12-2015 |
Patent application number | Description | Published |
20100299124 | Apparatus and Method for Modeling Well Designs and Well Performance - In one aspect, a method of estimating fluid flow contribution from each producing zone of multi-zone production well is provided, which method may include: defining a wellhead pressure; determining a first inflow performance relation (IPR | 11-25-2010 |
20110139446 | Method of Determining Queried Fluid Cuts Along a Tubular - A method of identifying a queried fluid cut along a tubular includes, determining a first flow rate of a queried fluid flowing through all open zones, determining a flow rate of liquid through a selected zone, and closing the selected zone, determining a second flow rate of the queried fluid flowing through all open zones, and attributing a queried fluid cut to the selected zone as a percentage that the difference between the first flow rate of the queried fluid and the second flow rate of the queried fluid is of the flow rate of liquid through the selected zone. | 06-16-2011 |
20120168164 | METHOD AND APPARATUS FOR CONTROLLING FLUID FLOW INTO A WELLBORE - In one aspect, an injection apparatus for use in a wellbore is disclosed wherein the apparatus includes a tubular housing and a shield housing disposed outside the tubular housing, the shield housing including a chamber in fluid communication with the tubular housing. The apparatus further includes a piston disposed within the shield housing, the piston coupled to a biasing member, wherein movement of the piston controls fluid communication between the chamber and the wellbore, and wherein the movement of the piston is caused by a pressure change of a fluid within the tubular housing. | 07-05-2012 |
20140041858 | High Temperature Packers - Self-initialized packers for use in high temperature steam injection applications in wellbores are provided. The packers include an actuating mechanism for setting a packing element for sealing within an openhole or cased hole. The actuating mechanism includes an actuator sleeve that includes an actuating element constructed from a shape memory alloy that has a transformation temperature range greater than a geothermal temperature of the wellbore, and is actuated upon heating from steam injection. Systems and methods of using the packers are also provided. | 02-13-2014 |
20140319970 | FLOW ENERGY PIEZOELECTRIC BIMORPH NOZZLE HARVESTER - A flow energy harvesting device having a harvester pipe includes a flow inlet that receives flow from a primary pipe, a flow outlet that returns the flow into the primary pipe, and a flow diverter within the harvester pipe having an inlet section coupled to the flow inlet, a flow constriction section coupled to the inlet section and positioned at a midpoint of the harvester pipe and having a spline shape with a substantially reduced flow opening size at a constriction point along the spline shape, and an outlet section coupled to the constriction section. The harvester pipe may further include a piezoelectric structure extending from the inlet section through the constriction section and point such that the fluid flow past the constriction point results in oscillatory pressure amplitude inducing vibrations in the piezoelectric structure sufficient to cause a direct piezoelectric effect and to generate electrical power for harvesting. | 10-30-2014 |
Patent application number | Description | Published |
20110231098 | MULTILEVEL WORKFLOW METHOD TO EXTRACT RESISTIVITY ANISOTROPY DATA FROM 3D INDUCTION MEASUREMENTS - A method is provided for determining formation resistivity, anisotropy and dip from wellbore measurements includes moving a well logging instrument through subsurface formations. The instrument includes longitudinal magnetic dipoles and at least one of tilted and transverse magnetic dipoles. Formation layer boundaries and horizontal resistivities of the formation layers are determined from longitudinal magnetic dipole measurements. Vertical resistivities of the formation layers are determined by inversion of anisotropy sensitive measurements. Improved vertical resistivities of the formation layers and dips are determined by inverting symmetrized and anti-symmetrized measurements. Improved vertical resistivities, improved boundaries and improved dips are determined by inversion of the all dipole measurements. Improved horizontal resistivities, further improved layer boundaries and further improved dips are determined by inversion of all dipole measurements. | 09-22-2011 |
20120025834 | DETERMINING ANISOTROPIC RESISTIVITY - The present disclosure relates to a method to determine the vertical resistivity of a subsurface formation. A downhole logging tool having a plurality of spaced antennas, at least one of which is a transverse antenna, at least two of which are tilted antennas, and at least two of which are axial antennas is provided. Measurements involving the transverse and/or the tilted antennas of the downhole logging tool are obtained. Voltage ratios are formed using the measurements, and conditioning factors are formed by raising the determined voltage ratios not involving the transverse antenna to some arbitrary power. The sum of the exponents of the conditioning factors preferably equals one. A voltage ratio involving the transverse antenna is multiplied by the conditioning factors, and the vertical resistivity of the subsurface formation is determined using the resulting ratio. | 02-02-2012 |
20140149040 | Multilevel Workflow Method To Extract Resistivity Anisotropy Data From Three-Dimensional Induction Measurements - A multi-step electromagnetic inversion method is provided for determining formation resistivity, anisotropy and dip. An electromagnetic logging tool is used to obtain non-directional, anisotropy, and directional (including symmetrized and anti-symmetrized resistivity measurements) in a formation using an electromagnetic logging tool. Bed boundaries of the formation are first identified. A horizontal resistivity profile is obtained using the non-directional resistivity measurements, and a vertical resistivity profile is obtained using the anisotropy resistivity measurements. The vertical resistivity profile is improved using the directional resistivity measurements, while dip values are also obtained via an inversion using the directional resistivity measurements. Then, an inversion for each of vertical resistivity, horizontal resistivity, dip values, and bed boundaries is performed using all of the non-directional, anisotropy, and directional resistivity measurements to obtain a formation model. | 05-29-2014 |
Patent application number | Description | Published |
20090184416 | MCM packages - An RF/IPD package with improved thermal management is described. The IPD substrate is attached to a system substrate with a thin RF chip mounted in the standoff between the IPD substrate and the system substrate. RF interconnections are made between the top of the RF chip and the bottom of the IPD substrate. Heat sinking is provided by bonding a heat sink layer on the RF chip to a heat sink layer on the system substrate. The heat sink may also serve as a ground plane connection. Combinations of other types of integrated devices may be fabricated using this approach. | 07-23-2009 |
20090237175 | Compact balun transformers - Balun transformers are described wherein multiple transformer loops are implemented in a stacked design with the primary and secondary loops overlying one another. By aligning the loops in a vertical direction, instead of offsetting the loops, the area of the device is reduced. Multiple transformer loops are nested on each level, and the transformer loops on a given level are connected together using a crossover located on a different level. | 09-24-2009 |
20100130129 | WLAN and bluetooth harmonization - Described is a WLAN/BT system with improved compatibility. It employs an adaptive algorithm that dynamically optimizes the WLAN data fragmentation size based on the current WLAN data rates such that the fragmented data packets fit the time slots allowed by the BT SCO stream gaps. The algorithm first uses system level information to acquire the concurrent BT traffic types to decide if TDM method needs to be enabled. Then it uses the smoothed WLAN date rate to calculate maximum fragmentation packet size consistent with current overall WLAN traffic. | 05-27-2010 |
20110101497 | METHOD FOR FABRICATING A FLIP-BONDED DUAL-SUBSTRATE INDUCTOR, FLIP-BONDED DUAL-SUBSTRATE INDUCTOR, AND INTEGRATED PASSIVE DEVICE INCLUDING A FLIP-BONDED DUAL-SUBSTRATE INDUCTOR - A flip-bonded dual-substrate inductor includes a base substrate, a first inductor body portion provided on a surface of the base substrate, a cover substrate, a second inductor body portion provided on a surface of a cover substrate, and a nanoparticle bonding material provided between the base substrate surface and the cover substrate surface to electrically connect the first inductor body portion and the second inductor body portion. A method for fabricating a flip-bonded dual-substrate inductor including forming a first inductor body portion on a surface of a base substrate, forming a second inductor body portion on a surface of a cover substrate, and attaching the base substrate surface to the cover substrate surface using a nanoparticle bonding material that electrically connects the first inductor body portion and the second inductor body portion. | 05-05-2011 |
Patent application number | Description | Published |
20090149605 | Heterophasic propylene based polymers for forming fiber - Fibers and articles formed therefrom are described herein. The fibers generally include a first polymer including a first propylene based impact copolymer and a second propylene based polymer. | 06-11-2009 |
20090186999 | Low melt flow rate (MFR) propylene based polymers for injection stretch blow molding - Injection stretch blow molded (ISBM) articles and processes for forming the same are described herein. The articles include a propylene based polymer having a melt flow rate of less than 10 g/10 min. | 07-23-2009 |
20100081743 | Polypropylene for Reduced Plate Out in Polymer Article Production Processes - Polymer articles and processes of forming polymer articles are described herein. The processes generally include providing a propylene based polymer formed from a metallocene catalyst and melt processing the propylene based polymer to form a polymer article. | 04-01-2010 |
20120108747 | Methods of Making High Impact Polystyrene - A process for producing high impact polystyrene including feeding at least one vinyl aromatic monomer, an elastomer, and a free radical initiator to a first linear flow reactor to form a reaction mixture. Polymerizing the reaction mixture in the first linear flow reactor to a point below the point at which phase inversion occurs to produce a first polymerization mixture and feeding the first polymerization mixture from the first linear flow reactor to a second linear flow reactor. Polymerizing the reaction mixture in the second linear flow reactor to at least a phase inversion point of the mixture to produce a second polymerization mixture and feeding the second polymerization mixture from the second linear flow reactor to at least a third linear flow reactor for post-inversion polymerization of the second polymerization mixture. The product stream can have an ESCR value of at least 10% toughness retained with less than 10 wt % rubber content. | 05-03-2012 |
20120289656 | High Impact Polystyrene with High Gloss and High Impact Strength - A high impact polystyrene (HIPS) is made from styrene monomer and 3 to 20 wt % of an elastomeric component phase including polybutadiene rubber and styrene butadiene copolymer. The HIPS has a 60 degree gloss of 90 or more, a Gardner drop of at least 10 in-lb, and an Izod impact strength of 1.8 ft-lb/in or more. The HIPS can have salami morphology with rubber particle size between 1 and 1.3 microns. | 11-15-2012 |
20140303324 | Method for Making a High Impact Polystyrene with High Gloss and High Impact Strength - A high impact polystyrene (HIPS) is made from styrene monomer and 3 to 20 wt % of an elastomeric component phase including polybutadiene rubber and styrene butadiene copolymer. The HIPS has a 60 degree gloss of 90 or more, a Gardner drop of at least 10 in-lb, and an Izod impact strength of 1.8 ft-lb/in or more. The HIPS can have salami morphology with rubber particle size between 1 and 1.3 microns. | 10-09-2014 |
Patent application number | Description | Published |
20100063183 | INTERCALATION AGENT FREE COMPOSITIONS USEFUL TO MAKE NANOCOMPOSITE POLYMERS - A two step method for preparing a filler composition, the filler composition useful to prepare a nanocomposite polymer. The first step is to disperse a water dispersible filler material in a liquid comprising water to form a dispersion. The second step is to replace at least a portion of the water of the liquid with an organic solvent to form the filler composition, the water concentration of the liquid of the filler composition being less than six percent by weight, the average size of at least one dimension of the filler material being less than two hundred nanometers upon examination by transmission electron microscopy of a representative freeze dried sample of the dispersion of the first step. A nanocomposite polymer can be prepared by mixing the above-made filler composition with one or more polymer, polymer component, monomer or prepolymer to produce a polymer containing a filler having an average size of at least one dimension of the filler of less than two hundred nanometers upon examination by transmission electron microscopy of a representative sample of the polymer. In addition, an epoxy resin composition useful for making a cured epoxy nanocomposite polymer, the epoxy resin composition made by a two step process. The first step is to mix an epoxy resin with the filler composition to form an epoxy resin mixture. The second step is to remove organic solvent from the epoxy resin mixture to form the epoxy resin composition. And, a nanocomposite polymer, made by the step of mixing the filler composition with one or more polymer, polymer component, monomer or prepolymer to produce a polymer containing a filler having an average size of at least one dimension of the filler of less than two hundred nanometers upon examination by transmission electron microscopy of a representative sample of the polymer. | 03-11-2010 |
20120136093 | INTERCALATION AGENT FREE COMPOSITIONS USEFUL TO MAKE NANOCOMPOSITE POLYMERS - A two step method for preparing a filler composition, the filler composition useful to prepare a nanocomposite polymer and an epoxy nanocomposite coating. First, disperse a water dispersible filler material in a liquid comprising water, but without any added intercalation agent, to form a dispersion. Second, replace at least a portion of the water of the liquid with an organic solvent so that the water concentration of the liquid is less than six percent by weight to form the filler composition, the average size of at least one dimension of the filler material being less than two hundred nanometers upon examination by transmission electron microscopy of a representative freeze dried sample of the dispersion of the first step. A nanocomposite polymer can be prepared by mixing the filler composition with one or more polymer, polymer component, monomer or prepolymer to produce a polymer containing the filler composition. | 05-31-2012 |
Patent application number | Description | Published |
20090087602 | Propylene based polymers for injection stretch blow molding - Injection stretch blow molded (ISBM) articles and methods of forming the same are provided herein. In one embodiment, the ISBM articles generally include a propylene based random copolymer having a molecular weight distribution of from about 9 to about 20. In another embodiment, the ISBM articles generally include a propylene based random copolymer formed from a Ziegler-Natta catalyst including a succinate internal donor. | 04-02-2009 |
20090146345 | Preform design for injections stretch blow molding - Preforms for use in injection stretch blow molding processes and such processes are described herein. The preforms generally include a neck having an internal neck diameter and an external neck diameter and a body having an internal body diameter and an external body diameter, the internal body diameter and the external body diameter forming a sidewall, wherein the internal body diameter is at least 80% of the internal neck diameter. The preforms further include an end-cap positioned on the body at a transition point and having an end-cap depth and a transition point radius, wherein the end-cap depth is greater than the transition point radius. | 06-11-2009 |
20090186999 | Low melt flow rate (MFR) propylene based polymers for injection stretch blow molding - Injection stretch blow molded (ISBM) articles and processes for forming the same are described herein. The articles include a propylene based polymer having a melt flow rate of less than 10 g/10 min. | 07-23-2009 |
20090315226 | Injection Stretch Blow Molded Articles and Polymers for Use Therein - Injection stretch blow molded (ISBM) articles and methods of forming the same are described herein. The ISBM articles generally include a propylene-based impact copolymer. | 12-24-2009 |
20100140835 | Styrenic polymers for injection stretch blow molding and methods of making and using same - A method comprising preparing a styrenic polymer composition, melting the styrenic polymer composition to form a molten polymer, injecting the molten polymer into a mold cavity to form a preform, heating the preform to produce a heated preform, and expanding the heated preform to form an article. A method comprising substituting a styrenic polymer composition comprising from 0 wt. % to 6.5 wt. % plasticizer and equal to or greater than 2.5 wt. % elastomer for polyethylene terephthalate in an injection stretch blow molding process, wherein the wt. % is based on the total weight of the polymeric composition. A method comprising preparing a preform from a styrenic polymer composition, subjecting the preform to one or more heating elements, and rapidly heating the preform to produce a heated preform. | 06-10-2010 |
20130189465 | Injection Stretch Blow Molded Articles and Polymers for Use Therein - Injection stretch blow molded (ISBM) articles and methods of forming the same are described herein. The ISBM articles generally include a propylene-based impact copolymer. | 07-25-2013 |
Patent application number | Description | Published |
20080292065 | Single Point of Contact Personal Communication System - A computer/telephony integrated single-point-of-contact system (CISS) enabling a user to contact another using multiple devices with a single contact attempt is disclosed. A plurality of computer programs residing in a computer use a subscriber database, authorization database, priority list database, and device attributes database to determine how to respond to a request to contact a subscriber. If the request is an emergency, the computer repeatedly contacts all of the subscriber's devices until a response is received. Otherwise, the computer contacts the subscriber's devices in a sequential order determined by the subscriber. The computer can also delete redundant un-received messages from a subscriber's devices and create a real-time connection between the requester and the subscriber, if it is technically possible, at the subscriber's request. | 11-27-2008 |
20100017408 | Automatic Email Consolidation for Multiple Participants - The invention is a data processing means wherein human perceptible elements of electronic information are gathered, prepared, formatted, or otherwise processed in forming a unified collection of such information storable as a distinct entity. In particular, the invention is a process for composing and displaying a consolidated message document. The preferred embodiment of the invention is a computer program that configures a general-purpose computer to implement the inventive process. Responsive to a user's selection of a message, the inventive process identifies all related messages that the user has received, inserts the related messages into a consolidated message document, and displays the consolidated message document on the user's output device. The inventive process further comprises the steps of removing duplicate message content, sorting the related messages within the consolidated message document according to user-specified preferences, storing the consolidated message document, and marking the related messages for deletion. | 01-21-2010 |
Patent application number | Description | Published |
20090292843 | Controlling passthrough of communications between multiple buses - A demodulator can include first data and clock pads to couple the demodulator to a host device via a first bus, and second data and clock pads to couple the demodulator to a radio frequency (RF) tuner via a second bus. The device may further include passthrough logic to couple host data and a host clock from the first bus to the second bus and to couple tuner data from the second bus to the first bus during a passthrough mode. During this mode, however, the two buses may remain electrically decoupled. When the passthrough mode is disabled, the RF tuner is thus shielded from noise present on the first bus. | 11-26-2009 |
20100328546 | Tracking Filter For A Television Tuner - In one embodiment, a set of tracking filters to be coupled between an amplifier and a mixer is provided. The tracking filters may be differently configured depending on band of operation. For example, a first set of the filters can be configured to maintain a substantially constant Q value across their operating bandwidth while a second set of the filters can be configured to maintain a substantially constant bandwidth across their operating bandwidth. | 12-30-2010 |
20110099310 | CONTROLLING PASSTHROUGH OF COMMUNICATION BETWEEN MULTIPLE BUSES - A demodulator can include first data and clock pads to couple the demodulator to a host device via a first bus, and second data and clock pads to couple the demodulator to a radio frequency (RF) tuner via a second bus. The device may further include passthrough logic to couple host data and a host clock from the first bus to the second bus and to couple tuner data from the second bus to the first bus during a passthrough mode. During this mode, however, the two buses may remain electrically decoupled. When the passthrough mode is disabled, the RF tuner is thus shielded from noise present on the first bus. | 04-28-2011 |
20110102047 | Radio Frequency (RF) Power Detector Suitable for Use in Automatic Gain Control (AGC) - In one form, a power detector includes first and third transistors of a first conductivity type, and second and fourth transistors of a second conductivity type. A control electrode of the first transistor receives a first bias voltage plus a positive component of a differential input signal. The second transistor is coupled in series with the first transistor and has a control electrode receiving a second bias voltage plus a negative component of the differential input signal. The third transistor is biased using the first bias voltage plus the negative component. The fourth transistor is coupled in series with the third transistor and is biased using the second bias voltage plus the positive component. A common interconnection point of the first and third transistors forms an output node. In another form, a power detector compares an output of a power detector core to multiple threshold voltages in corresponding comparators. | 05-05-2011 |
20120299623 | RADIO FREQUENCY (RF) POWER DETECTOR SUITABLE FOR USE IN AUTOMATIC GAIN CONTROL (AGC) - In one form, a power converter for a power detector or the like includes first and third transistors of a first conductivity type, and second and fourth transistors of a second conductivity type. A control electrode of the first transistor receives a first bias voltage plus a positive component of a differential input signal. The second transistor is coupled in series with the first transistor and has a control electrode receiving a second bias voltage plus a negative component of the differential input signal. The third transistor is biased using the first bias voltage plus the negative component. The fourth transistor is coupled in series with the third transistor and is biased using the second bias voltage plus the positive component. A common interconnection point of the first and third transistors forms an output node. | 11-29-2012 |
20130082780 | ACCURACY POWER DETECTION UNIT - Techniques are disclosed relating to radio frequency (RF) power detection. In one embodiment, a power detection unit is disclosed that includes a multiplier circuit configured to receive a first voltage of a voltage differential signal at gates of a first transistor pair and a second voltage of the voltage differential signal at gates of a second transistor pair. The first multiplier is configured to output a current that varies proportionally to a square of a voltage difference between the first and second voltages. In some embodiments, sources of the first transistor pair are coupled to sources of the second transistor pair, and the sources of the second transistor pair are coupled together. In some embodiments, the power detection unit is configured to compensate for mismatched transistors by applying offset voltages to bodies of transistors in the first and second transistor pairs. | 04-04-2013 |
20140361838 | AMPLIFIER FOR TELEVISION TUNER CHIP AND METHOD THEREFOR - An amplifier includes a negative gain amplifier, a load element, and a transconductance device. The negative gain amplifier has an input and an output. The load element has a first terminal coupled to a power supply voltage terminal, and a second terminal. The transconductance device has a first current electrode coupled to the second terminal of the load element, a control electrode coupled to the output of the negative gain amplifier, and a second current electrode coupled to the input of the negative gain amplifier. | 12-11-2014 |
Patent application number | Description | Published |
20090204377 | Method for Constructing Geologic Models of Subsurface Sedimentary Volumes - A method is disclosed for using a three-dimensional seismic image of a subsurface earth volume to construct a geologic model specifying the spatially-varying grain size distribution, porosity, and permeability throughout the volume. The method applies to earth volumes composed of water-lain clastic sedimentary deposits and involves, in one embodiment, (a) identifying the outline forms of geologic bodies in geologic data; (b) using the outline forms of the geologic bodies to determine the spatially-varying grain size distribution within the bodies, guided by assumptions about the nature and behavior of the paleoflow that deposited the bodies; (c) determining rock properties such as, porosity and permeability within the geologic bodies based on grain-size distribution, mineralogy and burial history information. | 08-13-2009 |
20090248378 | Method For Geologic Modeling Through Hydrodynamics-Based Gridding (Hydro-Grids) - A method of hydrodynamics-based gridding (Hydro-Grids) for creating geologic models of subsurface volumes, such as reservoirs, is disclosed. Geologic data is obtained. Vertical grid surfaces are created. Lateral grid surfaces are created to correspond to surfaces of constant geologic time during the deposition of sediments in the subsurface volume. Geologic properties within each cell are represented as values within each cell created by the vertical and lateral surfaces. Reservoir performance is simulated using the represented geologic properties of the subsurface volume. A hydrocarbon reservoir is developed based on the simulated reservoir performance. | 10-01-2009 |
20100057418 | Method for Quantifying Reservoir Connectivity Using Fluid Travel Times - The present application describes a method and system associated with the production of hydrocarbons. In the method, fluid travel time models are constructed from a reservoir model. Then, reservoir connectivity measures are calculated from the fluid travel time models and analyzed to determine a location for at least one well. Based on the analysis, one or more wells may be drilled and hydrocarbons produced. | 03-04-2010 |
20110054869 | Modeling Dynamic Systems By Visualizing and Narrowing A Parameter Space - A method for modeling a dynamic system (e.g., geological system) comprises: constructing an input parameter space for a model of the geological system, the input parameter space including more than three dimensions, and the model associated with response data, representing the input parameter space visually with three or fewer dimensions, reducing the input parameter space by conditioning the parameter space using at least a subset of the response data, and updating the representation of the input parameter space to visually represent the reduction of the parameter space. | 03-03-2011 |
20110232913 | Sediment Transport By Fully Developed Turbulent Flows - The invention is a method of modeling a hydrocarbon reservoir. A parameter value in a set of equations is adjusted so that the output of the equations accurately matches observed sediment erosion and deposition behavior for sediment sizes throughout a range of about 10 microns to about 10 centimeters. An initial condition of a sediment bed in the hydrocarbon reservoir is defined. The equations are applied to the initial condition, wherein outputs of the equations express how a fluid flow affects erosion and deposition of sediments at the initial condition. The initial condition is adjusted based on the equation outputs to create a subsequent sediment bed condition. The equations are re-applied to the subsequent sediment bed condition a pre-determined number of times. The subsequent sediment bed condition is re-adjusted after each re-application of the equations. The model of the hydrocarbon reservoir is created and outputted. | 09-29-2011 |
20110240310 | Overlapped Multiple Layer Depth Averaged Flow Model Of A Turbidity Current - A method of generating a model of a turbidity current in a fluid is disclosed. A first flow layer in the turbidity current is defined. The method successively defines at least one more flow layer in the turbidity current. Each successive flow layer includes the previously defined flow layer. A set of depth-averaged flow variables for each flow layer is defined. A model is developed that describes the turbidity current. The model uses fluid flow equations and the set of depth-averaged flow variables for each flow layer to predict fluid flow in each flow layer. The model is then output. | 10-06-2011 |
20110290478 | Method For Predicting Fluid Flow - A method of enhancing a geologic model of a subsurface region is provided. A bed topography of the subsurface region is obtained. The bed topography is defined by a plurality of cells with an elevation associated with each cell center. The bed topography is represented as a cell-centered piecewise constant representation based on the elevations associated with the cells. The bed topography is reconstructed to produce a spatially continuous surface. Flux and gravitation al force-related source terms are calculated based on the reconstructed bed topography. Fluxes are calculated between at least two of the cells. Fluid flow, deposition of sediments onto the bed, and/or erosion of sediments from the bed are predicted using the fluxes and gravitational force-related source terms. The predictions are inputted into the geologic model to predict characteristics of the subsurface region, and the predicted characteristics are outputted. | 12-01-2011 |
20110308811 | Adjoint-Based Conditioning Of Process-Based Geologic Models - A method for correlating data predicted by a processor physics-based geologic model to describe a subsurface region with obtained data describing the subsurface region. Data is obtained describing an initial state of the subsurface region. Data describing a subsequent state of the subsurface region is predicted. The predicted data is compared with the obtained data taking into account whether the obtained data or the predicted data represent a discontinuous event. A sensitivity of the predicted data is determined if the predicted data is not within an acceptable range of the obtained data. The data describing the initial state of the subsurface region is adjusted based on the sensitivity before performing a subsequent iteration of predicting data describing the subsequent state of the subsurface region. A representation of the subsurface region based on the data describing the subsequent state of the subsurface region is outputted. | 12-22-2011 |
20110315376 | Gradient-Based Workflows For Conditioning Of Process-Based Geologic Models - A method for correlating predicted data describing a subsurface region with obtained data describing the subsurface region is provided. Data is obtained describing an initial state of the subsurface region. Data describing a subsequent state of the subsurface region is predicted. A likelihood measure that determines whether the predicted data is within an acceptable range of the obtained data is dynamically and/or interactively updated. The predicted data is compared with the obtained data using the likelihood measure and determining a sensitivity of the predicted data if the predicted data is not within an acceptable range of the obtained data as measured by the likelihood measure. Data describing the initial state of the subsurface region is adjusted based on the sensitivity before performing a subsequent iteration of predicting data describing the subsequent state of the subsurface region. The predicted data is outputted. | 12-29-2011 |
20120143575 | Method For Optimization With Gradient Information - A method of improving a geologic model of a subsurface region. One or more sets of parameter values are selected. Each parameter represents a geologic property. A cost and a gradient of the cost are obtained for each set. A geometric approximation of a parameter space defined by one or more formations is constructed. A response surface model is generated expressing the cost and gradient associated with each formation. When a finishing condition is not satisfied, at least one additional set is selected based at least in part on the response surface model associated with previously selected sets. Parts of the method are repeated using successively selected additional sets to update the approximation and the response surface model until the finishing condition is satisfied. Sets having a predetermined level of cost to a geologic model of the subsurface region and/or their associated predicted outcomes are outputted to update the geologic model. | 06-07-2012 |
Patent application number | Description | Published |
20110165169 | COMPLEMENT INHIBITORS AND USES THEREOF - The invention relates to C2a inhibitors, which bind to C2a and block the functional activity of C2a in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 07-07-2011 |
20110195069 | INHIBITORS OF COMPLEMENT ACTIVATION - The invention relates to factor D inhibitors, which bind to factor D and block the functional activity of factor D in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 08-11-2011 |
20120141480 | METHODS OF TREATING WITH ANTI-FACTOR D ANTIBODIES - The invention relates to factor D inhibitors, which bind to factor D and block the functional activity of factor D in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 06-07-2012 |
20120251549 | COMPLEMENT INHIBITORS AND USES THEREOF - The invention relates to C2a inhibitors, which bind to C2a and block the functional activity of C2a in complement activation. The inhibitors include antibody molecules, as well as homologues, analogues and modified or derived forms thereof, including immunoglobulin fragments like Fab, F(ab′) | 10-04-2012 |
Patent application number | Description | Published |
20090123381 | IMAGING AND THERAPEUTIC TARGETING OF PROSTATE AND BLADDER TISSUES - The present invention provides methods for imaging and the treatment of cancer. In certain embodiments, a polyarginine (e.g., R11) may be used to selectively image prostate or bladder cells (e.g., a metastatic prostate cancer). In other embodiments, a DOC-2/DAB2 peptide, optionally conjugated to a cell permeable peptide (e.g., R11) may be used to treat a cancer, such as prostate cancer. | 05-14-2009 |
20120100070 | Cyclic Peptide Analogues For Non-Invasive Imaging of Pancreatic Beta-Cells - Compositions, methods of using and methods of making a cyclic peptide analog imaging agent that includes at least portions of a peptide or protein that binds specifically to the GLP-1 receptor (GLP-1R) and the cyclic analog has one or more conformational restrictions including, but not limited to, lactam bridges, disulfide bridges, hydrocarbon bridges, and their combinations, salts and derivatives thereof wherein the cyclic analog is more stable than a non-cyclic analog when incubated in the presence of enzymes that degrade GLP-1 and have an increased serum half-live, wherein the cyclic analog comprises at least a portion of a GLP-1 peptide or at least a portion of an Exendin peptide salts, derivatives or combinations thereof. | 04-26-2012 |
20140099256 | RADIOACTIVE LUMINESCENT NANOPARTICLE COMPOSITIONS - An embodiment of the invention is directed to a composition comprising a luminescent noble metal nanoparticle, wherein the surface of the noble metal nanoparticle is coated with a ligand, and wherein the noble metal nanoparticle is about 2 nm to 5 nm in diameter and further wherein a portion of the noble metal is present as its radioactive isotope. In an embodiment of the invention, the radioactive isotope is present at a concentration of up to 2% w/w of the noble metal. | 04-10-2014 |
20140363376 | MOLECULAR DESIGN TOWARD DUAL-MODALITY PROBES FOR RADIOISOTOPE-BASED IMAGING (PET OR SPECT) AND MRI - In some aspects, the present invention provides novel ligands, which may be used to make novel dual-modality imaging agents, for example, for PET and MRI imaging. In further aspects, by the present disclosure also provides methods of use and methods of preparation of the novel ligands, metal complexes, and imaging agents thereof. | 12-11-2014 |
Patent application number | Description | Published |
20100122142 | Scalable Decoder Architecture for Low Density Parity Check Codes - A layered message updating method and system for the decoding of LDPC codes with high sub-matrix degree has a scalable and flexible decoder architecture to support LDPC codes with arbitrary high sub-matrix degree with very small hardware overhead and high throughput. Embodiments of the invention support LDPC codes with sub-matrix degree W>=1. The architecture does not require duplication of extrinsic memory which greatly reduces decoder complexity. The size of the memory is also independent of sub-matrix degree which makes the decoder scalable for large W values. | 05-13-2010 |
20100303176 | METHODS AND APPARATUSES FOR MIMO DETECTION - Methods and apparatuses are provided for MIMO detection. A method may include considering a symbol vector received over MIMO system. The method may further include generating a list comprising a predefined number of candidate transmit symbol vectors based at least in part upon the received symbol vector using a trellis comprising a plurality of nodes that apply distributed list decoding to generate the list, wherein the list of the predefined number of candidate transmit symbol vectors comprises the predefined number of candidate transmit symbol vectors derived from the set of all possible trellis paths as determined based at least in part upon the respective cumulative trellis path weights. Corresponding apparatuses are also provided. | 12-02-2010 |
20120093249 | Apparatus and Method for Trellis-Based Detection in a Communication System - An apparatus for trellis-based detection in a communication system including a processor and memory having computer program code configured to construct a trellis representing a transmitted signal formed from a plurality of symbols, each having a constellation size, transmitted by a number of transmit antennas, and form a log likelihood ratio at nodes of the trellis as a log-sum of a number of exponential terms including a priori information corresponding to a hypothesized transmitted bit value of the plurality of symbols. The number of exponential terms is limited by a number of most likely paths of the trellis extending from each node of the trellis and the constellation size. The processor and memory including computer program code are configured to form a list at each node of the trellis of a size limited to the number of the most likely paths of the trellis extending from each node. | 04-19-2012 |
20120093266 | Apparatus and Method for Trellis-Based Detection in a Communication System - An apparatus for trellis-based detection in a communication system including a processor and memory having computer program code configured to construct a trellis representing a transmitted signal formed from a plurality of symbols, each having a constellation size, transmitted by a number of transmit antennas, and form a log likelihood ratio at nodes of the trellis as a log-sum of a number of exponential terms corresponding to a hypothesized transmitted bit value of the plurality of symbols. The number of exponential terms is limited by a number of most likely paths of the trellis extending from each node of the trellis and the constellation size. The processor and memory including computer program code are further configured to form a list at each node of the trellis of a size limited to the number of the most likely paths of the trellis extending from each node of the trellis. | 04-19-2012 |
Patent application number | Description | Published |
20100067325 | System and Method for Collecting Seismic Information - A system and method for collecting seismic information is disclosed. In one embodiment, the method includes transmitting a first pressure wave from a first location towards a floor of a body of water, wherein the first location is in close proximity to the floor. The method also includes receiving a first reflected wave at a second point, wherein the first reflected wave comprises a reflection of the first pressure wave by a reflection point beneath the floor. The method also includes receiving a second reflected wave at the second point, wherein the second reflected wave comprises a reflection of a shear wave generated as a result of the first pressure wave striking the floor. | 03-18-2010 |
20120092957 | Survey Design for Sea Bottom Seismic in Shallow Water - The various embodiments herein provide a method to acquire seismic data to estimate reservoir characteristics in a shallow sea water environment. According to an embodiment herein, a method comprises acquiring four component ocean bottom cable (4C OBC) seismic data using a hydrophone and a three component geophone by varying a time delay between the shots and spacing between the shots. A full acoustic modelling process and an elastic modelling process are applied to the acquire 4C OBC seismic data to acquire a pressure data and an inline geophone data to estimate a horizontal component data and a reflected shear wave data. The estimated horizontal component data are NMO corrected and stacked by varying sampling intervals to remove noise component in the acquired seismic data. A shear wave energy data is estimated from the acquired pressure data to estimate shear wave properties of a sea bed and a subsurface carbonate reservoir. | 04-19-2012 |
20120092961 | ANALYSIS AND FILTERING OF SURFACE WAVES IN SHALLOW WATER ENVIRONMENT USING S AND T-F-K TRANSFORM - The various embodiments of the present invention provide a method for removing a Scholte waves and similar ground roll type waves from a seismic sea bottom data in a shallow water. The method comprises acquiring seismic sea bottom data in a shallow waters, applying a time-frequency-wave number (t-f-k) transform on the acquired seismic sea bottom data, identifying a time-frequency relationship of a surface wave based on a specific wave number, identifying a frequency-wave number relationship of a surface wave based on a specific time, designing a time varying frequency-wave number filter in the time-frequency-wave number domain to separate the surface wave, applying a time varying frequency-wave number filtering process to remove an undesired energy and inversing a filtered record by applying an inverse S-Transform operation and an inverse Fourier Transform operation. | 04-19-2012 |