Pan, TX
Arthur Pan, Plano, TX US
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20090023263 | METHOD TO MANUFACTURE A THIN FILM RESISTOR - A method for manufacturing a semiconductor device that method comprises forming a thin film resistor by a process that includes depositing a resistive material layer on a semiconductor substrate. The process also includes depositing an insulating layer on the resistive material layer, and performing a first dry etch process on the insulating layer to form an insulative body. The process further includes performing a second dry etch process on the resistive material layer to form a resistive body. The resistive body and the insulative body have substantially identical perimeters. | 01-22-2009 |
Chiou-Wen S. Pan, Friendswood, TX US
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20090023126 | Educational Apparatus Utilized in Teaching Children the Dangers of Drugs and Violence - The invention is an transparent apparatus shaped like a human doll, with an opening at its top and an open-end box as its base. The doll can be personalized with a photograph of the child playing with the doll. Several transparent slides to be inserted into or removed from the doll from its top are included, one with a stylized graph of a healthy person's internal organs; the rest, stylized graphs of partially damaged internal organs depicted as black areas as a result of drug use. The integration or disintegration of the image of the black areas of the slides depicts increasing or decreasing damage by drug use. Two non-transparent slides are included, one showing a slogan, the other healthy human organs not damaged by drug abuse. Slides and educational material containing visual illustrations of the death and destruction due to use of weaponry are also included. | 01-22-2009 |
Edward Pan, Houston, TX US
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20120317992 | FEED INJECTOR FOR GASIFICATION SYSTEM - The present application and the resultant patent provide a feed injector nozzle for a gasification system with a reaction zone therein. The feed injector nozzle may include a number of tubes extending towards the reaction zone. The tubes may define a number of passages therebetween. A cooling water channel may extend through one of the tubes. The cooling water channel may include a first side adjacent to one of the passages and a second side adjacent to the reaction zone. The first side may include a first side thickness and the second side may include a second side thickness with the first side thickness being less than or equal to the second side thickness. | 12-20-2012 |
20120318887 | System And Method for Cooling a Fuel Injector - A system includes a gasifier and a gasification fuel injector. The gasification fuel injector may include a tip portion, a coolant chamber disposed in the tip portion, and a number of internal structures disposed on an internal surface of the coolant chamber. The coolant chamber may be configured to flow a coolant through the tip portion of the gasification fuel injector. | 12-20-2012 |
20130272785 | SYSTEM AND METHOD FOR COUPLING ROTOR COMPONENTS WITH A SPLINE JOINT - A system includes a rotary machine. The rotary machine has a spline joint coupling first and second rotary components. The spline joint has a male spline portion and a female spline portion. The male spline portion includes a first plurality of spline teeth spaced circumferentially apart from one another about a longitudinal axis of the spline joint. The female spline portion includes a second plurality of spline teeth spaced circumferentially apart from one another about the longitudinal axis of the spline joint. The first plurality of spline teeth and the second plurality of spline teeth extend axially along the longitudinal axis. At least one tooth of the first or second plurality of spline teeth has at least one groove extending crosswise relative to the longitudinal axis. The at least one groove is disposed at an intermediate axial position between opposite axial ends of the at least one tooth. | 10-17-2013 |
20140127089 | GASIFIER PREHEATER FUEL SYSTEM AND METHODS OF ASSEMBLING SAME - Gasifier preheater fuel and moderator injection apparatus, systems and methods are provided. A preheater distributor ring is securely mounted within the shell dome of a gasification vessel, for the selective discharge of preheat fuel and oxidizer into the vessel during preheating operations, or for the selective discharge of moderating agents into the vessel during normal gasification operations. | 05-08-2014 |
20140138459 | SYSTEM AND METHOD FOR COUPLING COOLANT FLUID CONDUIT TO FEED INJECTOR TIP - A system includes a gasification feed injector that includes a tip portion with a first threaded portion, a coolant chamber disposed in the tip portion, and a coolant fluid conduit having a second threaded portion. The coolant fluid conduit is coupled to the tip portion adjacent to the coolant chamber via screwing of the second threaded portion into the first threaded portion. | 05-22-2014 |
20150138911 | SOLIDS COMBINING SYSTEM FOR A SOLID FEEDSTOCK - A system includes a solids combining system with a solids mixing section having a mixing chamber and a plurality of solids inlets configured to supply one or more solids into the mixing chamber. The system also includes a solids breakup section having a plurality of fluid inlets configured to supply one or more fluids into the mixing chamber and a solids flow control section having a converging-diverging passage downstream of the mixing chamber. | 05-21-2015 |
Edward Chen Pan, Houston, TX US
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20140144511 | SYSTEM AND METHOD FOR CONVEYING SOLIDS THROUGH AN OUTLET PIPE - A system includes a solids pressurizing feeder and an outlet pipe coupled to an outlet channel of the solids pressurizing feeder. The outlet pipe includes a plurality of pipe segments telescopically coupled to one another such that a length of the outlet pipe is adjustable. The solids pressurizing feeder may be used to convey a mixture of solids and fluids. | 05-29-2014 |
20150137040 | SYSTEM AND METHOD FOR GASIFICATION AND COOLING SYNGAS - A system includes an integrated gasification vessel including an enclosure including a first section and a second section that may enclose a gasifier, one or more injectors circumferentially disposed within the gasifier. The one or more injectors may supply the gasifier with a fuel. The system also includes a syngas cooler disposed within an annulus of the gasification vessel. The syngas cooler includes a shell that may flow a coolant and the syngas cooler includes a plurality of tubes surrounding the gasifier and that may flow a syngas from the gasifier. The system further includes a reinforcement system configured to reinforce at least a portion of the enclosure and the gasifier. The reinforcement system may include one or more reinforcement beams disposed within the annulus and that may couple the enclosure and the gasifier. | 05-21-2015 |
Hongjun Pan, Denton, TX US
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20110068094 | High energy efficient electric cooking system - A new electric cooking system is described. This cooking system can be installed on the conventional residential electric ranges. The cooking system contains an electric burner, a cooking pot, a ceramic base plate and a thermal insulation sleeve. The electric burner has a vertical heating structure and two terminal mounting legs, the cooking pot has an inward open slot to host the vertical heating structure of the electric burner; the ceramic base plate is installed on the surface opening of the electric range where the dip pan and electric burner is located. The thermal insulation sleeve is made of the non-flammable fibers or ceramic materials and placed around the side of the cooking pot to prevent the heat lose. Almost 100% of the heat generated by the burner is absorbed by the cooking content and the energy efficiency is about 3 times of the conventional cooking system. | 03-24-2011 |
Hongjun Pan, Lewisville, TX US
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20150042211 | System and method for generating electricity by an inflated moving wheel - A system and method for generating electricity by an inflated moving wheel for transportation devices is disclosed. In accordance with embodiments of the present disclosure, an electricity generating wheel may include an flexible inflated tire, a wheel rim, a central shaft, an electricity generator is installed inside of the inflated tire; the electricity generator may include an outer ring and an inner ring and multiple springs; the inner ring and outer ring may comprise multiple piezoelectricity generators (or other types of electricity generators), the springs connect the outer ring and the inner ring electricity generators and keep the outer ring in contact with the inner surface of the inflated tire. The weight and load of the transportation devices compresses the inflated tire, imposes compression force on the springs, the springs pass such compression force on the electricity generator, the electricity is generated, significant amount of energy is recovered and reused. | 02-12-2015 |
Ivan Pan, Houston, TX US
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20100235105 | METHOD FOR ANALYZING DYNAMIC DETECTABLE EVENTS AT THE SINGLE MOLECULE LEVEL - A method to be implemented on or in a computer is disclosed, where the method includes data collection, calibration, candidate selection, and analysis of data streams associated with each candidate to classify single molecule fluorescence resonance energy transfer events. Once classified, the classification can be related to the nature of the events, such as the identification of dNTP incorporation during primer extension to obtain a base read out of an unknown template. | 09-16-2010 |
20110165652 | COMPOSITIONS, METHODS AND SYSTEMS FOR SINGLE MOLECULE SEQUENCING - Compositions, systems and methods of sequencing are disclosed, where the compositions and systems include polymerase enzymes that have been genetically modified to more efficiently incorporate nucleotides including labels having a detectable properties that are released during incorporation, to augment a rate of labeled nucleotide incorporation, to augment a rate of pyrophosphate release, or to augment two or more of these properties and rates. Also disclosed are terminally labeled and dual labeled nucleotides, and click-chemistry based methods of synthesizing the same. | 07-07-2011 |
Justin I-Ching Pan, Houston, TX US
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20090090049 | PROCESS FOR PRODUCING LIQEFIED NATURAL GAS FROM HIGH CO2 NATURAL GAS - A process for producing LNG from high CO | 04-09-2009 |
20110126451 | INTEGRATED PROCESS FOR CONVERTING NATURAL GAS FROM AN OFFSHORE FIELD SITE TO LIQUEFIED NATURAL GAS AND LIQUID FUEL - An integrated process and an apparatus for converting natural gas from an offshore field site to liquefied natural gas and to liquid fuel at an onshore site are disclosed. The process includes liquefying the natural gas and producing natural gas liquids using heat exchange at the offshore site. The liquefied natural gas can be transported to a market distribution location, and the natural gas liquids can be transported to the onshore site for further processing to liquid fuels. An air separation unit at the onshore site provides both liquefied nitrogen for use as coolant in the offshore heat exchange process as well as oxygen for use in an autothermal reformer at the onshore site. The natural gas liquids produced offshore can be fed to the autothermal reformer to generate synthesis gas which can be converted to liquid fuels. | 06-02-2011 |
Kevin Pan, Irving, TX US
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20150045161 | Cellulose Acetate Table Tennis Balls and Processes for Making - The present invention is directed to cellulose acetate table tennis balls and to processes for forming the cellulose acetate table tennis balls. Cellulose acetate may be provided as a flake or powder and then may be melt extruded to a sheet or pellet. The sheet may be soaked and a plurality of coupons may then be cut from the sheet. The coupons may be melt extruded to form hemispheres and then two hemispheres may be adhered to each other to form a sphere. The pellets may be injection molded to form hemispheres and then two hemispheres may be adhered to each other to form a sphere. The cellulose acetate table tennis balls are free of celluloid but meet the International Table Tennis Federation standards for table tennis balls. | 02-12-2015 |
Kun C. Pan, Allen, TX US
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20100103498 | DIGITAL MICROMIRROR DEVICE HAVING WAVELENGTH-DEPENDENT MODULATION STRUCTURE AND METHOD OF MANUFACTURING THE SAME - A digital micromirror device (DMD), a method of manufacturing the DMD and an optical processor incorporating a DMD. In one embodiment, the DMD includes: (1) a first group of micromirrors having a first modulation structure based on a first wavelength of light and a second group of micromirrors having a second modulation structure based on a second wavelength of light, the second wavelength differing from the first wavelength. | 04-29-2010 |
Kun Cindy Pan, Allen, TX US
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20100195189 | System and Method for Actuation of Spatial Light Modulators - A system comprises a spatial light modulator comprising a plurality of modulation elements, the spatial light modulator operable to receive an optical signal comprising one or more optical channels, wherein the elements are operable to perform an optical function on at least one of the one or more optical channels. The system further comprises two or more reset groups associated with the spatial light modulator, wherein each reset group comprises one or more elements, and wherein at least one of the one or more optical channels resides on at least two of the two or more reset groups. The system also comprises a controller operable to actuate the elements of at least one of the at least two reset groups associated with the optical channel at a different time than any one or more other reset group of the at least two reset groups. | 08-05-2010 |
Larry Pan, Sugar Land, TX US
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20140136272 | SYSTEM AND METHOD FOR PROVIDING GANTT-TREND CHART IN A SUPPLY CHAIN MANAGEMENT ENVIRONMENT - A system and method support a supply chain management platform for a supply chain management environment. The supply chain management platform can provide a graphical representation of one or more material inventory trends in the supply chain management environment. Additionally, the supply chain management platform can using one or more tokens to display one or more activities on the graphical representation of the one or more material inventory trends, wherein the one or more activities contribute to inventory change in the supply chain management environment. Furthermore, the supply chain management platform allows a user to perform one or more supply chain scheduling operations in the supply chain management environment based on the graphical representation. | 05-15-2014 |
20150347948 | SYSTEM AND METHOD FOR PROVIDING GANTT-TREND CHART IN A SUPPLY CHAIN MANAGEMENT ENVIRONMENT - A system and method support a supply chain management platform for a supply chain management environment. The supply chain management platform can provide a graphical representation of one or more material inventory trends in the supply chain management environment. Additionally, the supply chain management platform can using one or more tokens to display one or more activities on the graphical representation of the one or more material inventory trends, wherein the one or more activities contribute to inventory change in the supply chain management environment. Furthermore, the supply chain management platform allows a user to perform one or more supply chain scheduling operations in the supply chain management environment based on the graphical representation. | 12-03-2015 |
Naide Pan, Sugarland, TX US
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20130173169 | METHOD AND SYSTEM FOR EFFICIENT WAVELENGTH EXTRAPOLATION - The current application is directed to computational systems and methods carried out by the computational systems for characterizing and/or imaging subsurface features based on digitally encoded data collected during exploration-seismology experiments. In particular, the current application is directed to computationally efficient methods and systems for processing data collected across a two-dimensional surface to produce, by stepwise propagation, a digitally encoded, stored-data representation of a three-dimensional pressure wavefield that is used in many different applications. In certain applications, the stored-data representation of a three-dimensional pressure wavefield is used, along with initial values and a portion of the boundary conditions, to solve for unknown portions of boundary conditions, including the structures and distributions of subsurface features and materials. | 07-04-2013 |
20150149093 | METHOD AND SYSTEM FOR EFFICIENT EXTRAPOLATION OF A COMBINED SOURCE-AND-RECEIVER WAVEFIELD - The current document is directed to computational systems and methods carried out by the computational systems for propagating a combined source-and-receiver wavefield from a first level to a next, second level with respect to depth, time, or another dimension. The methods and systems, to which the current document is directed, apply an efficient complex, combined-source-and-receiver-wavefield propagation operator to a complex combined-source-and-receiver wavefield in order to propagate the complex combined-source-and-receiver wavefield to the next level. Real source and receiver wavefields at the next, second level can then be extracted from the complex combined-source-and-receiver wavefield at the next level. | 05-28-2015 |
Naide Pan, Sugar Land, TX US
Patent application number | Description | Published |
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20080247272 | Method for reducing 3-D migration operator to 2-D migration operator for inhomogeneous media - Time slices of seismic data are transformed from rectangular space-time domain to cylindrical space-time domain. 2-D seismic migration is performed on the transformed data for each radial direction. Slices of the migrated data are inverse transformed back to the rectangular space-time domain, generated migrated 3-D data for generally inhomogeneous media. | 10-09-2008 |
20090147620 | Method for processing marine towed streamer seismic data from regular multi-azimuth surveys - Marine towed streamer seismic data are combined from a first survey and a second survey, wherein the first survey and the second survey are shot with a bin size of L×L and the second survey is shot with a shooting direction rotated 90° relative to the shooting direction of the first survey. The combined seismic data from the first and second surveys are binned on a bin grid with a bin size of | 06-11-2009 |
20130028049 | METHOD FOR HANDLING ROUGH SEA AND IRREGULAR RECORDING CONDITIONS IN MULTI-SENSOR TOWED STREAMER DATA - Rough sea elevation is estimated from a high-frequency portion of recorded pressure data and recorded vertical velocity component data. Generalized deghosting and datuming operators are constructed, which take into account the estimated rough sea elevation and irregular recording depth conditions. A low-frequency portion of the recorded pressure data is decomposed into up-going and down-going wavefields on a horizontal reference plane, using the generalized datuming and deghosting operators. A low-frequency portion of the vertical velocity component data is reconstructed from the decomposed up-going and down-going wavefields on the horizontal reference plane, using the generalized datuming and deghosting operators. | 01-31-2013 |
Shanjen Pan, Allen, TX US
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20100035421 | SEMICONDUCTOR WELL IMPLANTED THROUGH PARTIALLY BLOCKING MATERIAL PATTERN - A method for forming a partially blocking layer for an ion implantation process, which may be varied across the IC to form regions with different dopant concentrations, and regions with varying dopant concentrations in each contiguously implanted region, is disclosed. One or more temporary and/or permanent layers may form the partially blocking layer, including a combination of different materials such as polysilicon, silicon dioxide, silicon nitride, and photoresist. The partially blocking layer may be a uniform continuous sheet which transmits a uniform fraction of dopants, or a reticulated screen which transmits dopants through multiple open areas. Several partially blocking layers, each absorbing a different fraction of implanted dopants, may be formed on an IC to produce instances of a component with different performance parameters such as operation voltage, sheet resistance or gain. | 02-11-2010 |
20120292682 | Electrically Erasable Programmable Non-Volatile Memory - In an embodiment of the invention, a method of fabricating a floating-gate PMOSFET (p-type metal-oxide semiconductor field-effect transistor) is disclosed. A silicide blocking layer (e.g. oxide, nitride) is used not only to block areas from being silicided but to also form an insulator on top of a poly-silicon gate. The insulator along with a top electrode (control gate) forms a capacitor on top of the poly-silicon gate. The poly-silicon gate also serves at the bottom electrode of the capacitor. The capacitor can then be used to capacitively couple charge to the poly-silicon gate. Because the poly-silicon gate is surrounded by insulating material, the charge coupled to the poly-silicon gate may be stored for a long period of time after a programming operation. | 11-22-2012 |
20130016570 | N-Channel Erasable Programmable Non-Volatile Memory - In an embodiment of the invention, a method of fabricating a floating-gate NMOSFET (n-type metal-oxide semiconductor field-effect transistor) is disclosed. A silicide blocking layer (e.g. oxide, nitride) is used not only to block areas from being silicided but to also form an insulator on top of a poly-silicon gate. The insulator along with a top electrode (control gate) forms a capacitor on top of the poly-silicon gate. The poly-silicon gate also serves as the bottom electrode of the capacitor. The capacitor can then be used to capacitively couple charge to the poly-silicon gate. Because the poly-silicon gate is surrounded by insulating material, the charge coupled to the poly-silicon gate may be stored for a long period of time after a programming operation. | 01-17-2013 |
20130256773 | ELECTRICALLY ERASABLE PROGRAMMABLE NON-VOLATILE MEMORY - In an embodiment of the invention, a method of fabricating a floating-gate PMOSFET (p-type metal-oxide semiconductor field-effect transistor) is disclosed. A silicide blocking layer (e.g. oxide, nitride) is used not only to block areas from being silicided but to also form an insulator on top of a poly-silicon gate. The insulator along with a top electrode (control gate) forms a capacitor on top of the poly-silicon gate. The poly-silicon gate also serves at the bottom electrode of the capacitor. The capacitor can then be used to capacitively couple charge to the poly-silicon gate. Because the poly-silicon gate is surrounded by insulating material, the charge coupled to the poly-silicon gate may be stored for a long period of time after a programming operation. | 10-03-2013 |
Shanjen Pan, Plano, TX US
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20080283966 | High Density Capacitor Using Topographic Surface - Capacitor area is increased in the vertical direction by forming capacitors on topographic features on the chip. The features are formed during existing process steps. Adding vertical topography increases capacitance per unit area, reducing die size at no added development cost or mask steps. | 11-20-2008 |
20090124068 | Non-Uniformly Doped High Voltage Drain-Extended Transistor and Method of Manufacture Thereof - The present invention provides, in one embodiment, a transistor ( | 05-14-2009 |
Shanjen "robert" Pan, Allen, TX US
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20130143375 | On Current in One-Time-Programmable Memory Cells - A method of fabricating a one-time programmable (OTP) memory cell with improved read current in one of its programmed states, and a memory cell so fabricated. The OTP memory cell is constructed with trench isolation structures on its sides. After trench etch, and prior to filling the isolation trenches with dielectric material, a fluorine implant is performed into the trench surfaces. The implant may be normal to the device surface or at an angle from the normal. Completion of the cell transistor to form a floating-gate metal-oxide-semiconductor (MOS) transistor is then carried out. Improved on-state current (I | 06-06-2013 |
20130143376 | CURRENT IN ONE-TIME-PROGRAMMABLE MEMORY CELLS - A method of fabricating a one-time programmable (OTP) memory cell with improved read current in one of its programmed states, and a memory cell so fabricated. The OTP memory cell is constructed with trench isolation structures on its sides. After trench etch, and prior to filling the isolation trenches with dielectric material, a fluorine implant is performed into the trench surfaces. The implant may be normal to the device surface or at an angle from the normal. Completion of the cell transistor to form a floating-gate metal-oxide-semiconductor (MOS) transistor is then carried out. Improved on-state current (I | 06-06-2013 |
Shuang Pan, Austin, TX US
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20100080380 | Method and Apparatus for Supplying DC Feed to a Subscriber Line - A subscriber line apparatus including linefeed driver circuitry for providing a DC feed for a tip line and a ring line of the subscriber line from a power supply in accordance with linefeed driver control signals. Bypass circuitry couples the tip and ring lines to the power supply in accordance with a power mode control. The tip and ring lines are coupled to the power supply through the linefeed driver circuitry in a first power mode. The linefeed driver circuitry is bypassed to couple the tip and ring lines to the power supply in a second power mode. | 04-01-2010 |
20100080381 | Method and Apparatus for Supplying DC Feed to a Subscriber Line - A subscriber line apparatus including linefeed driver circuitry for providing a DC feed for a tip line and a ring line of the subscriber line from a power supply in accordance with linefeed driver control signals. Bypass circuitry couples the tip and ring lines to the power supply in accordance with a power mode control. The tip and ring lines are coupled to the power supply through the linefeed driver circuitry in a first power mode. The linefeed driver circuitry is bypassed to couple the tip and ring lines to the power supply in a second power mode. | 04-01-2010 |
Tianshu Pan, Houston, TX US
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20110190547 | PROCESS FOR RECOVERING ETHANOL - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and remove impurities. | 08-04-2011 |
20110275862 | PROCESS FOR PURIFYING A CRUDE ETHANOL PRODUCT - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and remove acetal impurities. | 11-10-2011 |
20110275863 | PROCESSES FOR MAXIMIZING ETHANOL FORMATION IN THE HYDROGENATION OF ACETIC ACID - In one embodiment, the invention is to a process for purifying a crude ethanol product. The process comprises the step of hydrogenating acetic acid in a reactor in the presence of a catalyst to form the crude ethanol product. The process further comprises the step of separating at least a portion of the crude ethanol product in a purification zone. The purification zone preferably comprises a first column, which yields a first distillate comprising ethanol, water and ethyl acetate, and a first residue comprising acetic acid. The at least a portion of the crude ethanol product has a residence time from the reactor to the purification zone from 5 minutes to 5 days. | 11-10-2011 |
20120010439 | PROCESS FOR RECOVERING ALCOHOL PRODUCED BY HYDROGENATING AN ACETIC ACID FEED STREAM COMPRISING WATER - Purifying and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid from an feed stream comprising water. The presence of water does not significantly impact acid conversion or selectivity to ethanol. Further the addition of water allows for improved recovery of ethanol. | 01-12-2012 |
20120010444 | Alcohol Production Process with Impurity Removal - A method of removing impurities, such as halogens, sulfurs, and corrosion metal impurities, in an ethanol production process. Ion exchange resins may be used to remove these impurities from acetic acid feed streams and recycle streams that comprise unreacted acetic acid. | 01-12-2012 |
20120035400 | PROCESS FOR PURIFYING ETHANOL - In one embodiment, the invention is to a process for producing ethanol. The process comprises the step of hydrogenating an acetic acid feed stream in a first reactor to form a crude ethanol product. The crude ethanol product may comprise, among other components, ethanol, acetaldehyde, and residual acetic acid. The process further comprises the step of recovering acetaldehyde from the crude ethanol product. The process further comprises the steps of feeding a first portion of the recovered acetaldehyde to the first reactor and reacting the first portion of the recovered acetaldehyde in the first reactor to form additional ethanol. In addition, the inventive process may comprise the steps of feeding a second portion of the recovered acetaldehyde to a second reactor and reacting the second portion of the recovered acetaldehyde in the second reactor to faun an additional product. | 02-09-2012 |
20120046502 | PROCESS FOR RECOVERING ETHANOL WITH VAPOR SEPARATION - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and remove impurities. | 02-23-2012 |
20120059197 | ALCOHOL PRODUCTION PROCESS INTEGRATING ACETIC ACID FEED STREAM COMPRISING WATER FROM CARBONYLATION PROCESS - In one embodiment, the invention is to a process for producing ethanol, comprising the step of providing from a distillation column in a carbonylation process a purified acetic acid stream comprising up to 25 wt. % water. The process further comprises the step of hydrogenating acetic acid of the purified acetic acid stream in the presence of a catalyst and under conditions effective to form a crude ethanol product comprising ethanol and water. Ethanol is recovered from the crude ethanol product. | 03-08-2012 |
20120078012 | PRODUCTION OF ACETIC ACID WITH HIGH CONVERSION RATE - A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid. | 03-29-2012 |
20120083623 | Production of Acetic Acid with High Conversion Rate - The present invention is to a process for producing acetic acid comprising the step of reacting a carbon monoxide feed and methanol and/or a methanol derivative in a first reactor to produce a crude acetic acid product. The carbon monoxide may comprise less than 99.5 mol % carbon monoxide. The process further comprises the step of purging a carbon monoxide purge stream comprising a first amount of residual carbon monoxide and one or more impurities. Preferably, the first amount is greater than 20 mol %. The process further comprises the step of separating the crude acetic acid product into at least one derivative stream comprising a second amount of residual carbon monoxide. The process further comprises the step of reacting at least a portion of the second amount of residual carbon monoxide and methanol and/or a methanol derivative in a second reactor to produce additional acetic acid. | 04-05-2012 |
20130053605 | Process for Recovering Ethanol - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and remove impurities. | 02-28-2013 |
20130085294 | PROCESSES FOR PRODUCING ACRYLIC ACIDS AND ACRYLATES - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
20130085295 | PROCESSES FOR PRODUCING ACRYLIC ACIDS AND ACRYLATES - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of reacting an alcohol and oxygen in a reactor to produce a high temperature alkylenating agent stream comprising an alkylenating agent. The process further comprises the step of contacting an alkanoic acid with at least a portion of the high temperature alkylenating agent stream under conditions effective to form a crude product stream comprising acrylate product and alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream to form at least one alkylenating agent stream and at least one purified acrylate product stream comprising acrylate product. | 04-04-2013 |
20130085297 | Processes for Producing Acrylic Acids and Acrylates with Pre- and Post-Reactor Dilution - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of reacting a reaction mixture comprising a first diluent, an alkylenating agent and an alkanoic acid to form a crude acrylate product comprising alkylenating agent and acrylate product. The crude acrylate product is then diluted with a second diluted to form a diluted crude acrylate stream. The diluents are then removed from the diluted crude acrylate stream to form a liquid acrylate stream. The process further comprises the step of separating at least a portion of the liquid acrylate stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt. % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
20130085298 | Processes for Producing Acrylic Acids and Acrylates with Liquid Product Dilution - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude acrylate product comprising the acrylate product and an alkylenating agent. The process further comprises the steps of removing inert and/or reactive gases from the crude product to form a liquid acrylate stream, diluting the liquid acrylate stream with a diluent to form a diluted liquid acrylate stream, and then separating at least a portion of the diluted liquid acrylate stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt. % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
20130085299 | Processes for Producing Acrylic Acids and Acrylate with Diluted Crude Acrylate Stream - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude acrylate product comprising the acrylate product and an alkylenating agent. The process further comprises the step of diluting the crude acrylate product with a diluent to form a diluted crude acrylate stream and recovering acrylate product from the diluted crude acrylate stream. | 04-04-2013 |
20130085302 | Processes for Producing Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream to form an alkylenating agent stream and an intermediate product stream. The process further comprises the step of recovering high purity acrylate product using precipitation. The alkylenating agent stream comprises at least 1 wt % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
20130158295 | Processes For The Production of Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of dehydrating a crude alkylenating agent stream to form a dehydrated alkylenating agent stream and a water stream. The process further comprises reacting acetic acid with at least a portion of the dehydrated alkylenating agent stream to form a crude acrylate product stream comprising acrylate product and alkylenating agent stream. The dehydrating of the crude alkylenating stream is accomplished using at least one evaporator or at least one distillation column. | 06-20-2013 |
20130172614 | PRODUCTION OF ACETIC ACID WITH HIGH CONVERSION RATE - A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid. | 07-04-2013 |
20130245311 | Catalyst for Producing Acrylic Acids and Acrylates - The invention is to a process for producing an acrylate product. The process includes the steps of contacting an alkanoic acid and an alkylenating agent over a catalyst composition under conditions effective to produce the acrylate product. The catalyst composition comprises vanadium, titanium and tungsten. Preferably, the catalyst comprises vanadium to tungsten at a molar ratio of at least 0.02:1, in an active phase. | 09-19-2013 |
20130245312 | Catalyst for Producing Acrylic Acids and Acrylates - The invention is to a process for producing an acrylate product. The process includes the steps of contacting an alkanoic acid and an alkylenating agent over a catalyst composition under conditions effective to produce the acrylate product. The catalyst composition comprises vanadium, bismuth and titanium. Preferably, the catalyst comprises 0.3 wt % to 30 wt % vanadium, 0.1 wt % to 69 wt % bismuth and 0.1 wt % to 61 wt % tungsten, in an active phase. | 09-19-2013 |
20130267736 | Processes for Producing Acrylic Acids and Acrylates with Diluted Reaction Mixture and By-Product Recycle - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a diluted crude acrylate stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the diluted crude acrylate stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt. % alkylenating agent and the intermediate product stream comprises acrylate product. | 10-10-2013 |
20130317254 | Process for Producing Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream into an intermediate acrylate product stream and an alkylenating stream. The process further comprises separating at least a portion of the intermediate acrylate product stream by azeotropic distillation in the presences of an entrainer to form a stream containing acrylate product and a stream containing entrainer. | 11-28-2013 |
20140046100 | Processes for Maximizing Ethanol Formation In the Hydrogenation of Acetic Acid - In one embodiment, the invention is to a process for purifying a crude ethanol product. The process comprises the step of hydrogenating acetic acid in a reactor in the presence of a catalyst to form the crude ethanol product. The process further comprises the step of separating at least a portion of the crude ethanol product in a purification zone. The purification zone preferably comprises a first column, which yields a first distillate comprising ethanol, water and ethyl acetate, and a first residue comprising acetic acid. The at least a portion of the crude ethanol product has a residence time from the reactor to the purification zone from 5 minutes to 5 days. | 02-13-2014 |
20140066649 | Process for Producing Vinyl Acetate - The present invention relates to a process for forming vinyl acetate. The process comprises the step of providing a reaction mixture having an initial heat capacity. The reaction mixture comprises acetic acid, oxygen, ethylene, and optionally water. The process further comprises the step of adding to the reaction mixture at least one heat capacity modifier to form an increased heat capacity reaction mixture. The process further comprises the step of contacting the acetic acid, oxygen, and ethylene over a catalyst under conditions effective to form a crude vinyl acetate product. The crude vinyl acetate product comprises vinyl acetate and water. | 03-06-2014 |
20140073812 | Process for Making Acrylic Acid by Integrating Acetic Acid Feed Stream from Carbonylation Process - In one embodiment, the invention is to a process for producing acrylic acid, comprising the step of providing from a distillation column in a carbonylation process a purified acetic acid stream comprising at least 0.15 wt % water. The process further comprises the step of condensation acetic acid of the purified acetic acid stream and an alkylenating agent in the presence of a catalyst and under conditions effective to form a crude acrylate product comprising acrylic acid and water. Acrylic acid is recovered from the crude acrylate product. | 03-13-2014 |
20140073813 | Heat Integration of Carbonylation and Aldol Condensation Reaction Processes - In one embodiment, the invention is to a process for producing an acrylic acid, comprising the step of reacting, in a carbonylation system, carbon monoxide with at least one reactant in a reaction medium under conditions effective to produce a crude alkanoic acid stream comprising alkanoic acid. Preferably, the reaction is an exothermic carbonylation reaction. The process further comprises the step of removing from the carbonylation system at least a portion of heat generated by the carbonylation reaction and transferring a portion of the heat to a heat transfer system that utilizes at least one steam condensate stream. The process further comprises the step of conveying at least a portion of the heat transferred to the heat transfer system of the condensation reaction zone and/or the condensation separation zone. | 03-13-2014 |
20140121409 | Processes for the Production of Acrylic Acids and Acrylates Using Multiple Reactors - In one embodiment, the present invention relates to a process for producing an acrylate product comprising the step of providing a reaction system comprising at least one reaction zone and at least one regeneration zone. Each reaction zone and regeneration zone has a size and comprises a catalyst. A ratio of the combined size of the at least one reaction zone to the combined size of the at least one regeneration zone ranges between 1:1 to 6:1. The process further comprises the step of reacting, in the at least one reaction zone, a reaction mixture comprising an alkanoic acid and an alkylenating agent to form a crude acrylate product. The process further comprises the step of regenerating, in the at least one regeneration zone, the respective catalyst. The process further comprises the step of separating at least a portion of the crude acrylate products to form a purified acrylate product. | 05-01-2014 |
20140121410 | Processes for Regenerating Catalyst for Producing Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of reacting an alkanoic acid and an alkylenating agent over a catalyst to produce a crude acrylate product stream, and to product a used catalyst. The used catalyst may then be contacted with a regenerating stream to form a regenerated catalyst. Alkanoic acid and alkylenating agent may then be reacted over the regenerated catalyst to product additional crude acrylate product stream. | 05-01-2014 |
20140128636 | Processes for Producing Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product and an alkylenating agent. The process further comprises the step of separating at least a portion of the crude product stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt % alkylenating agent and the intermediate product stream comprises acrylate product. | 05-08-2014 |
20140142349 | PROCESS FOR PRODUCING ETHANOL FROM METHYL ACETATE - The present invention relates to a process for producing ethanol by methyl acetate hydrogenolysis. The process comprises the step of reacting carbon monoxide and methanol in a reaction medium to form a reaction solution that comprises acetic acid and from 0.5 to 25 wt. % methyl acetate. The process further comprises the step of esterifying the acetic acid and feeding the methyl acetate to a distillation column to remove alkyl halides. The process further comprises the steps of reacting the methyl acetate stream that does not contain alkyl halides and hydrogen in the presence of a second catalyst to form an alcohol product that comprises ethanol and/or methanol. | 05-22-2014 |
Weimin Pan, Spring, TX US
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20140215147 | RAID STORAGE REBUILD PROCESSING - A storage management module configured to identify storage volumes to be rebuilt and remaining storage volumes that are not to be rebuilt, calculate rebuild priority information for the identified storage volumes to be rebuilt based on storage information of the identified storage volumes, and generate rebuild requests to rebuild the identified storage volumes to be rebuilt and process host requests directed to the remaining and to be rebuilt storage volumes based on the rebuild priority information and amount of host requests, wherein with relative high amount of host requests, generate relative less rebuild requests but not less than a minimum rebuild traffic percentage or more than a maximum rebuild traffic percentage. | 07-31-2014 |
20140359226 | ALLOCATION OF CACHE TO STORAGE VOLUMES - A technique for allocating a write cache allowed data size of a write cache from a plurality of write caches to each of a plurality of storage volumes, calculating a write cache utilization of the write cache for each of the respective storage volumes, wherein the write cache utilization is based on a write cache dirty data size of the write cache allocated to the respective storage volume divided by the write cache allowed data size of the write cache allocated to the respective storage volume, and adjusting the write cache allowed data size of the write cache allocated to storage volumes based on the write cache utilaztion of the write cache of the storage volumes. | 12-04-2014 |
20140379990 | CACHE NODE PROCESSING - A technique for cache node processing that includes generating a cache node in response to a request to write data to storage devices. If logical block address (LBA) of the generated cache node is adjacent to LBA of cache nodes of a cache node list, then check if there are cache nodes that are sequential up to a predefined boundary. If there are cache nodes that are sequential up to the predefined boundary, then flush the data of the sequential cache nodes together as a group up to the predefined boundary. | 12-25-2014 |
20150081967 | MANAGEMENT OF STORAGE READ REQUESTS - A storage controller to receive from a host multiple read requests to read sets of data blocks from a data storage device. The storage controller to determine whether the read requests include non-continuous addresses associated with a set of non-requested data blocks between sets of requested data blocks and a gap of a number of non-requested data blocks is less than a pre-defined threshold. If the read requests have non-continuous addresses and a gap of a number of non-requested data blocks is less than the pre-defined threshold, then generate a single read request to retrieve from a storage device the non-requested and requested data blocks, and directly write the retrieved requested data blocks to a host buffer, and write the retrieved non-requested data blocks to a cache memory on a storage controller. | 03-19-2015 |
Weimin Pan, Houston, TX US
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20140032836 | BUFFER FOR RAID CONTROLLER WITH DISABLED POST WRITE CACHE - Enhancing management of controllers in a RAID system when a post-write-cache of a is disabled, by supplying a stripe buffer that stores sequential write requests—and before such requests are actually written in to the physical disc drives. The stripe buffer can temporarily store data, until the data level reaches the stripe buffer size. Thereafter, contents of the stripe buffer can be flushed onto disc. | 01-30-2014 |
20140082249 | REQUEST SENT TO STORAGE DEVICE BASED ON MOVING AVERAGE - Embodiments herein relate to sending a request to a storage device based on a moving average. A threshold is determined based on a storage device type and a bandwidth of a cache bus connecting a cache to a controller. The moving average of throughput is measured between the storage device and a host. The request of the host to access the storage device is sent directly to the storage device, if the moving average is equal to the threshold. | 03-20-2014 |
20140089584 | ACCELERATED PATH SELECTION BASED ON NUMBER OF WRITE REQUESTS AND SEQUENTIAL TREND - Embodiments herein relate to selecting an accelerated path based on a number of write requests and a sequential trend. One of an accelerated path and a cache path is selected between a host and a storage device based on at least one of a number of write requests and a sequential trend. The cache path connects the host to the storage device via a cache. The number of write requests is based on a total number of random and sequential write requests from a set of outstanding requests from the host to the storage device. The sequential trend is based on a percentage of sequential read and sequential write requests from the set of outstanding requests. | 03-27-2014 |
20140208155 | REBUILDING DRIVE DATA - A method that includes identifying an inaccessible portion of a first disk drive. The method also includes regenerating data corresponding to the inaccessible portion of the first disk drive and storing the regenerated data to a second disk drive. The method also includes copying data from an accessible portion of the first disk drive to the second disk drive. | 07-24-2014 |
Xiaoning Pan, Houston, TX US
Patent application number | Description | Published |
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20120136194 | AUTOMATED TREATMENT PLANNING FOR RADIATION THERAPY - This patent generally relates to developing treatment plans for use in external beam radiation therapy, and more particularly to a method, a system and a computer readable media that contains programming for the development of external beam radiation therapy treatment plans. Embodiments of the invention include (1) automatically setting beam angles based on a beam angle automation algorithm, (2) judiciously designing planning structures and (3) automatically adjusting the objectives of the objective function based on a parameter automation algorithm. | 05-31-2012 |
Zheng Zheng Pan, Plano, TX US
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20150377820 | DESCRIPTOR-BASED METHODS OF ELECTROCHEMICALLY MEASURING AN ANALYTE AS WELL AS DEVICES, APPARATUSES AND SYSTEMS INCOPORATING THE SAME - Methods are disclosed for measuring an analyte concentration in a fluidic sample. Such methods allow one to correct and/or compensate for confounding variables such as hematocrit, salt concentration and/or temperature before providing an analyte concentration. The measurement methods use response information from a test sequence having at least one DC block, where DC block includes at least one excitation pulse and at least one recovery pulse, and where a closed circuit condition of an electrode system is maintained during the at least one recovery pulse. Information encoded in the excitation and recovery pulses are used to build within- and across-pulse descriptors to correct/compensate for hematocrit, salt concentration and/or temperature effects on the analyte concentration. Methods of transforming current response data also are disclosed. Further disclosed are devices, apparatuses and systems incorporating the various measurement methods. | 12-31-2015 |
Zhigang Pan, Austin, TX US
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20090030636 | Method and System for Performing Optical Proximity Correction with Process Variations Considerations - A method for performing optical proximity correction with process variations considerations is disclosed. The maximum aerial gradient direction for a control point associated with an edge is initially determined. Then, a variational edge placement error | 01-29-2009 |
20090031275 | Method and System for Performing Global Routing on an Integrated Circuit Design - A method for performing global routing on an integrated circuit design is disclosed. The integrated circuit design is initially divided into multiple G-cells. The G-cells are interconnected by a set of nets. The set of nets is then decomposed into corresponding wires. The wires are prerouted to interconnect the G-cells. BoxRouting is performed on the wires until all the wires are routed. Finally, postrouting is performed on the wires. | 01-29-2009 |
20090032903 | MULTIPLE VOLTAGE INTEGRATED CIRCUIT AND DESIGN METHOD THEREFOR - An integrated circuit (IC) design, method and program product for reducing IC design power consumption. The IC is organized in circuit rows. Circuit rows may include a low voltage island powered by a low voltage (V | 02-05-2009 |
Zhongping Pan, Plano, TX US
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20110238843 | DAMPENING INTERFACE FLAPPING - A device may include a control module and a line card. The control module may be configured to run a routing protocol to obtain routing information from network devices. The line card may include a processor. The processor may be configured to establish a bidirectional forwarding detection (BFD) session with a remote device, determine whether an interface associated with the BFD session is flapping, terminate the BFD session when the interface is flapping, disable the interface when the interface is flapping, re-enable the interface after a dampening recovery period elapses, reestablish the BFD session, and send a BFD packet to the remote device. | 09-29-2011 |
20120134260 | NETWORK STABILIZER - A network device determines that an outgoing network-to-network interface has dropped one or more network control packets and incrementally adjusts, based on the determining, a drop threshold parameter for the network control packets to give preference to the network control packets over non-network control packets. After the adjusting, the network device monitors traffic over the interface, and preempts, based on the monitoring, a low-priority label switched path (LSP) using the interface when the interface reaches a congested threshold or when the interface has dropped one or more other network control packets. The network device restores the low-priority LSP to the interface when the interface has reached an uncongested threshold. | 05-31-2012 |
20130155865 | LABEL SWITCHING OR EQUIVALENT NETWORK MULTIPATH TRAFFIC CONTROL - A method, a device, and a storage medium provide for receiving packets; determining a traffic flow rate value pertaining to the packets; comparing the traffic flow rate value to a flow rate threshold value; selecting one or more candidate paths that are not bandwidth-aware; calculating a current available bandwidth for each of the one or more candidate paths; selecting one or more of the one or more candidate paths based on the traffic flow rate value and the current available bandwidth; and transmitting the packets to a destination via the one or more of the one or more candidate paths. | 06-20-2013 |