Dhawan, US
Akshay Dhawan, Randolph, NJ US
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20130096447 | System and methods for serial analysis of electrocardiograms - Systems and methods for serial analysis of electrocardiograms are presented, wherein serial electrocardiographic (ECG) assessment is incorporated with three-dimensional vectorial analysis of the cardiac electrical signal, using changes in novel 3D-based vectorial markers over time to improve diagnostic sensitivity for acute coronary syndromes (ACS), and improve differentiation of ACS from the broad range of heart diseases that resemble ACS on ECG. | 04-18-2013 |
Alok Dhawan, Shakopee, MN US
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20130288077 | DETERMINING AT LEAST ONE OF ALIGNMENT AND BOND LINE THICKNESS BETWEEN AN OPTICAL COMPONENT AND A MOUNTING SURFACE - A bottom surface of an optical component is bonded to a mounting surface. The bottom surface includes a first opaque feature and the mounting surface includes a second opaque feature. The first and second opaque features are hidden between the bottom surface and the mounting surface after the bonding. An infrared image is obtained through a top surface of the optical component that is opposed to the bottom surface. The infrared image includes a view of a region proximate first and second opaque features. One or more of an optical alignment and a bond line thickness between the optical component and the mounting surface is determined via the infrared image. | 10-31-2013 |
Anil Dhawan, Seattle, WA US
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20080317240 | ALPHA CHARACTER SUPPORT AND TRANSLATION IN DIALER - The innovation supports the ability to map alpha characters entered directly into the dialer application of a smartphone. These alpha characters can be entered via a smartphone keyboard (e.g., QWERTY keyboard) and converted to the appropriate digits as mapped to a conventional telephone keypad. The resultant numerical digits can be used to prompt a network call. Additionally, the innovation can be used during an active call to respond to prompts that traditionally require 12-key mappings. This innovation allows a user to both dial a number directly via a smartphone keyboard, and filter contacts by name, in a non-modal manner. | 12-25-2008 |
20090328235 | Declared Origin Policy - A declared origin policy may be provided. First a plurality of records comprising addresses that an application is allowed to access may be received. The received plurality of records may be placed in a manifest. Then, a request containing an address may be received and compared to the plurality of records in the manifest. Access to the address may be allowed when one of the plurality of records in the manifest matches the address or when an ambiguity is encountered as to whether the one of the plurality of records in the manifest matches the address. Access to the address may be denied when none of the plurality of records in the manifest matches the address. Moreover, any request to change any of the plurality of records in the manifest may be denied when the application is updated, uninstalled, or reinstalled. | 12-31-2009 |
Anshul Dhawan, San Francisco, CA US
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20140274362 | Player Recommendation For Playing Online Game - Methods, systems, and computer programs are presented for recommending a list of players for playing an online game. The method includes receiving a request to join an online game currently being played by a plurality of players. In response to the request, player attributes of the plurality of players playing the online game are gathered, in substantial real-time. A subset of players matching at least two of the player selection parameters with the player attributes of the players, is identified. The subset of players is returned as a list of recommended players to a client device for rendering. The returned list includes options to select one or more players and to join the selected players in playing the online game. | 09-18-2014 |
Anuj Dhawan US
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20110166045 | WAFER SCALE PLASMONICS-ACTIVE METALLIC NANOSTRUCTURES AND METHODS OF FABRICATING SAME - Plasmonics-active nanostructure substrates—developed on a wafer scale in a reliable and reproducible manner such that these plasmonics-active nanostructures have nano-scale gaps (that include but are not limited to sub-10 nm gaps or sub-5 nm gaps) that provide the highest EM field enhancement between neighboring plasmonics-active metallic or metal-coated nanostructures. The plasmonics-active nanostructure substrates relate to environmental sensing based on SERS, SPR, LSPR, and plasmon enhanced fluorescence based sensing as well as for developing plasmonics enhanced devices such as solar cells, photodetectors, and light sources. Controllable development of sub-2 nm gaps between plasmonics-active nanostructures can also be achieved. Also, the size of the nano-scale gap regions can be tuned actively (e.g., by the application of voltage or current) to develop tunable sub-5 nm gaps between plasmonic nanostructures in a controllable manner. | 07-07-2011 |
Anuj Dhawan, Raleigh, NC US
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20080287022 | FABRIC AND YARN STRUCTURES FOR IMPROVING SIGNAL INTEGRITY IN FABRIC-BASED ELECTRICAL CIRCUITS - Coaxial and twisted pair conductive yarn structures reduce signal crosstalk between adjacent lines in woven electrical networks. A coaxial conductive yarn structure includes an inner conductive yarn having a plurality of conductive strands twisted together. An outer conductive yarn is wrapped around the inner conductive yarn. An insulating layer separates the inner and outer yarns. A twisted pair conductive yarn structure includes first and second conductive yarns, each including a plurality of conductive strands being twisted together. The first and second conductive yarns are twisted together to form a helical structure. In a woven electrical network, at least one conductor of adjacent conductive yarn structures is connected to ground to reduce signal crosstalk. Coaxial and twisted pair yarn structures may also be formed simultaneously with weaving or knitting the threads that make up the structures into a fabric. | 11-20-2008 |
Ashish Dhawan, Lowell, MA US
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20080293856 | Stabilized polyolefin compositions - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lives and better oxidative resistance to materials than currently available antioxidants. | 11-27-2008 |
20100084607 | Macromolecular antioxidants and polymeric macromolecular antioxidants - Disclosed are macromolecular antioxidants represented by a structural formula selected from I-VI: | 04-08-2010 |
20100305251 | STABILIZED POLYOLEFIN COMPOSITIONS - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants. | 12-02-2010 |
20120004150 | Lubricant Oil Compositions - Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils. | 01-05-2012 |
20120071596 | STABILIZED POLYOLEFIN COMPOSITIONS - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants. | 03-22-2012 |
20130072586 | Stabilized Polyolefin Compositions - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants. | 03-21-2013 |
20130130955 | LUBRICANT OIL COMPOSITIONS - Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils. | 05-23-2013 |
20130233308 | POLYMERIC ACID CATALYSTS AND USES THEREOF - Polymers useful as catalysts in non-enzymatic saccharification processes are provided. Provided are also methods for hydrolyzing cellulosic materials into monosaccharides and/or oligosaccharides using these polymeric acid catalysts. | 09-12-2013 |
20140011901 | Stabilized Polyolefin Compositions - Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants. | 01-09-2014 |
20150159109 | Lubricant Oil Compositions - Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils. | 06-11-2015 |
Ashish Dhawan, Naperville, IL US
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20160122447 | POLYMERIC ACID CATALYSTS AND USES THEREOF - Polymers useful as catalysts in non-enzymatic saccharification processes are provided. Provided are also methods for hydrolyzing cellulosic materials into monosaccharides and/or oligosaccharides using these polymeric acid catalysts. | 05-05-2016 |
Atam Dhawan, Randolph, NJ US
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20080212777 | METHODS AND APPARATUS FOR MULTI-LEVEL DYNAMIC SECURITY SYSTEM - Methods and apparatus for converting original data into a plurality of sub-bands using wavelet decomposition; encrypting at least one of the sub-bands using a key to produce encrypted sub-band data; and transmitting the encrypted sub-band data to a recipient separately from the other sub-bands. | 09-04-2008 |
20110099365 | METHODS AND APPARATUS FOR MULTI-LEVEL DYNAMIC SECURITY SYSTEM - Methods and apparatus for converting original data into a plurality of sub-bands using wavelet decomposition; encrypting at least one of the sub-bands using a key to produce encrypted sub-band data; and transmitting the encrypted sub-band data to a recipient separately from the other sub-bands. | 04-28-2011 |
Atam Prakash Dhawan, Randolph, NJ US
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20100042004 | Method and Apparatus for Multi-spectral Imaging and Analysis of Skin Lesions and Biological Tissues - A multispectral nevoscope that uses specific wavelengths in the visible and infrared spectrum of electromagnetic radiation to transilluminate a skin-lesion or a biological tissue or specimen for imaging and maps multispectral 2-dimensional images into 3-dimensional virtual space for providing 3-D distributions of pre-defined parameters representing the characteristic properties (such as melanin, hemoglobin and deoxyhemoglobin, etc.) of a skin lesion. Methods are disclosed for analyzing and using the characteristic distributions of specific parameters for detection and management of skin-cancers, or characterization of a biological tissue or specimen. | 02-18-2010 |
20150320316 | Method and Apparatus for Multi-spectral Imaging and Analysis of Skin Lesions and Biological Tissues - A multispectral nevoscope that uses specific wavelengths in the visible and infrared spectrum of electromagnetic radiation to transilluminate a skin-lesion or a biological tissue or specimen for imaging and maps multispectral 2-dimensional images into 3-dimensional virtual space for providing 3-D distributions of pre-defined parameters representing the characteristic properties (such as melanin, hemoglobin and deoxyhemoglobin, etc.) of a skin lesion. Methods are disclosed for analyzing and using the characteristic distributions of specific parameters for detection and management of skin-cancers, or characterization of a biological tissue or specimen. | 11-12-2015 |
Deepika Dhawan, West Lafayette, IN US
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20130267522 | METHODS FOR TREATING CANCER - The invention relates to methods and uses for the treatment of a cancer. In particular, the invention relates to the use of a folate-vinca conjugate to treat urinary bladder cancer (e.g., invasive transitional cell carcinoma (InvTCC)). | 10-10-2013 |
Gaurav Dhawan, Redmond, WA US
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20090100057 | Organization System for Distributed Items - An item grouping mechanism may be applied to files or other computer objects to allow the files or objects to be accessed according to the group definition. The group definition may be defined in a table with other group definitions and distributed across an organization so that each device using the group definition may have files or other items presented in a consistent manner. The group definition may be distributed through a different mechanism than for the files or other items. If a device determines that a file defined in the group definition is missing from a local store, the device may retrieve the file from a distribution server. | 04-16-2009 |
20140165051 | PROGRAM EXECUTION SERVICE WINDOWS - Techniques for guaranteeing that a software program is executed on a machine only during designated periods of time are provided. Service windows define time periods during which software programs targeted to execute on a machine are allowed to execute on the machine. On the machine, the service windows work in conjunction with a client process that is executing on the machine to guarantee execution of the software programs by the client process only during available service windows. | 06-12-2014 |
Gaurav Dhawan, Seattle, WA US
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20140259007 | ENTERPRISE MANAGEMENT FOR DEVICES - Installing apps on a device. The device is generally configured to be used in a closed market environment that only allows generally available apps of the closed market to be installed. The method includes determining that the device has been authorized to install apps outside of a set of apps generally available from the closed market and from a set of apps available only to users of a particular enterprise. The method further includes determining that an app, that is not generally available from the closed market, has been verified by a central authority. The method further includes installing the app on the device in spite of the fact that the device is generally configured to be used in a closed market environment. | 09-11-2014 |
20140259178 | LIMITING ENTERPRISE APPLICATIONS AND SETTINGS ON DEVICES - Installing apps and setting configuration on a device. A method includes receiving user input. The user input indicates a level of control that a user is willing to give an enterprise over the device. The method further includes determining, based on the level of control indicated by the user input, a set of apps allowed to install on the device. The set of apps allowed to install on the device is limited by the level of control indicated by the user. The method further includes authorizing installation of the set of apps on the device while restricting installation of other apps that would be authorized had the user selected a different level of control that the user is willing to give the enterprise over the device. | 09-11-2014 |
Ish Dhawan, Foster City, CA US
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20100248312 | Alanine 2,3-aminomutases and related polynucleotides - The present disclosure relates generally to polypeptides having improved alanine 2,3-aminomutase (AAM) activity, the polynucleotides encoding the AAM polypeptides, and expression vectors and host cells for expressing the AAM polypeptides. | 09-30-2010 |
20120040437 | ALANINE 2,3-AMINOMUTASES AND RELATED POLYNUCLEOTIDES - The present disclosure relates generally to polypeptides having improved alanine 2,3-aminomutase (AAM) activity, the polynucleotides encoding the AAM polypeptides, and expression vectors and host cells for expressing the AAM polypeptides. | 02-16-2012 |
20120231510 | MULTI-CELLULASE ENZYME COMPOSITIONS FOR HYDROLYSIS OF CELLULOSIC BIOMASS - The invention relates to a multi-cellulase enzyme composition for the enzymatic hydrolysis of cellulosic biomass said composition comprising a cellobiohydrolase (CBH) enzyme, an endoglucanase (EG) enzyme and a β-glucosidase (BG) enzyme. | 09-13-2012 |
Ish K. Dhawan, Foster City, CA US
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20120156754 | VARIANT CBH2 CELLULASES AND RELATED POLYNUCLEOTIDES - The invention provides variants of a | 06-21-2012 |
20130266994 | TRANSAMINASE POLYPEPTIDES - The present disclosure provides engineered transaminase enzymes having improved properties as compared to a naturally occurring wild-type transaminase enzyme. Also provided are polynucleotides encoding the engineered transaminase enzymes, host cells capable of expressing the engineered transaminase enzymes, and methods of using the engineered transaminase enzymes to synthesize a variety of chiral compounds. | 10-10-2013 |
20140302588 | VARIANT CBH2 CELLULASES AND RELATED POLYNUCLEOTIDES - The invention provides variants of a | 10-09-2014 |
20150210988 | TRANSAMINASE POLYPEPTIDES - The present disclosure provides engineered transaminase enzymes having improved properties as compared to a naturally occurring wild-type transaminase enzyme. Also provided are polynucleotides encoding the engineered transaminase enzymes, host cells capable of expressing the engineered transaminase enzymes, and methods of using the engineered transaminase enzymes to synthesize a variety of chiral compounds. | 07-30-2015 |
20150218541 | VARIANT ENDOGLUCANASES AND RELATED POLYNUCLEOTIDES - The invention provides variants of the | 08-06-2015 |
20150252342 | FUNGAL STRAINS - The present invention provides improved fungal strains. In some embodiments, the improved fungal strains find use in hydrolyzing cellulosic material to glucose. | 09-10-2015 |
Ish Kumar Dhawan, Foster City, CA US
Patent application number | Description | Published |
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20100209981 | TRANSAMINASE POLYPEPTIDES - The present disclosure provides engineered transaminase enzymes having improved properties as compared to a naturally occurring wild-type transaminase enzyme. Also provided are polynucleotides encoding the engineered transaminase enzymes, host cells capable of expressing the engineered transaminase enzymes, and methods of using the engineered transaminase enzymes to synthesize a variety of chiral compounds. | 08-19-2010 |
20100267089 | ENDOGLUCANASES - The present invention relates to variant endoglucanases and particularly endoglucanases having improved properties over wild-type endoglucanase. | 10-21-2010 |
20120009631 | VARIANT ENDOGLUCANASES AND RELATED POLYNUCLEOTIDES - The invention provides variants of the | 01-12-2012 |
20120107880 | FUNGAL STRAINS - The present invention provides improved fungal strains. In some embodiments, the improved fungal strains find use in hydrolyzing cellulosic material to glucose. | 05-03-2012 |
20120107881 | COMPOSITIONS AND METHODS FOR PRODUCTION OF FERMENTABLE SUGARS - The present application provides genetically modified fungal organisms that produce enzyme mixtures exhibiting enhanced hydrolysis of cellulosic material to glucose, enzyme mixtures produced by the genetically modified fungal organisms, and processes for producing glucose from cellulose using such enzyme mixtures. | 05-03-2012 |
20120178132 | ENDOGLUCANASES - The present invention relates to variant endoglucanases and particularly endoglucanases having improved properties over wild-type endoglucanase. | 07-12-2012 |
20120270278 | COMPOSITIONS AND METHODS FOR PRODUCTION OF FERMENTABLE SUGARS - The present application provides genetically modified fungal organisms that produce enzyme mixtures exhibiting enhanced hydrolysis of cellulosic material to glucose, enzyme mixtures produced by the genetically modified fungal organisms, and processes for producing glucose from cellulose using such enzyme mixtures. | 10-25-2012 |
20120315676 | ENDOGLUCANASES - The present invention relates to variant endoglucanases and particularly endoglucanases having improved properties over wild-type endoglucanase. | 12-13-2012 |
20150140641 | ENDOGLUCANASE VARIANTS - The present invention relates to variant endoglucanases having improved thermoactivity, improved thermostability, and improved viscosity reduction activity over wild-type | 05-21-2015 |
Ish Kumar Dhawan, Redwood City, CA US
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20120208235 | ENDOGLUCANASE VARIANTS - The present invention relates to variant endoglucanases having improved thermoactivity, improved thermostability, and improved viscosity reduction activity over wild-type | 08-16-2012 |
20130344541 | COMPOSITIONS AND METHODS FOR PRODUCTION OF FERMENTABLE SUGARS - The present application provides genetically modified fungal organisms that produce enzyme mixtures exhibiting enhanced hydrolysis of cellulosic material to glucose, enzyme mixtures produced by the genetically modified fungal organisms, and processes for producing glucose from cellulose using such enzyme mixtures. | 12-26-2013 |
Kapil Dhawan, North Babylon, NY US
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20140193140 | SYSTEM AND METHOD FOR SLOW MOTION DISPLAY, ANALYSIS AND/OR EDITING OF AUDIOVISUAL CONTENT ON A MOBILE DEVICE - A method for slow motion display of audiovisual content on a mobile device comprises storing a plurality of videos in a memory; providing a first video window configured to include a start/pause control, frame control and video display area for display of a first video; and determining, by a display orientation sensor, whether the touchscreen is in portrait or landscape orientation. If in portrait orientation, the first video window occupies substantially the entire viewing area. If in landscape orientation, the first video window occupies a first portion of the viewing area and an analysis window occupies a second portion of the viewing area. The analysis window includes either a menu displaying a list of videos for selection as a second video, or if a second video has been selected, a second video window including independent start/pause control, frame control, and video display area for independent display of the second video. | 07-10-2014 |
Medhavi Dhawan, Cupertino, CA US
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20140344236 | Index Update Pipeline - Distributed database management systems may maintain collections of items spanning multiple partitions. Index structures may correspond to items on one partition or to items on multiple partitions. Item collections and indexes may be replicated. Changes to the data maintained by the distributed database management system may result in updates to multiple index structures. The changes may be compiled into an instruction set applicable to the index structures. In-memory buffers may contain the instructions prior to transmission to affected partitions. Replication logs may be combined with an acknowledgment mechanism for reliable transmission of the instructions to the affected partitions. | 11-20-2014 |
Neil Dhawan, New York, NY US
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20140213578 | TRICYCLIC COMPOUNDS AS ANTICANCER AGENTS - Tricyclic chemical modulators of FOXO transcription factor proteins are disclosed. The compounds are useful to treat cancer, age-onset proteotoxicity, stress-induced depression, inflammation, and acne. The compounds are of the following phenothiazine, dibenzoazepine and annulene and similar genera: | 07-31-2014 |
Preeti Dhawan, San Jose, CA US
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20110212461 | PREDICTION OF CARDIOTOXICITY - The likelihood that a compound will exhibit cardiotoxicity in an in vitro or in vivo assay predicted by the ability of the compound to inhibit at least one kinase from a selected group. | 09-01-2011 |
20110212480 | USE OF PRIMARY HUMAN CARDIOMYOCYTES - The present invention provides for the use of primary human cardiomyocytes for the testing of agents that have cardiotoxic effects and other modulatory effects on the heart. | 09-01-2011 |
20110287437 | ASSAYS TO PREDICT CARDIOTOXICITY - The likelihood that a compound will exhibit cardiotoxicity in vivo can be predicted using a model of in vitro assays performed on primary human cardiomyocytes. | 11-24-2011 |
Puneet Dhawan, Austin, TX US
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20090204826 | Method for Power Conservation in Virtualized Environments - A system and method for enabling power conservation when making placement and relocation decisions. More specifically, a virtualized environment power conservation module enables power conservation when making placement and relocation decisions within a virtual environment. The virtualized environment power conservation module assigns virtual machines among a group of physical hosts in order to minimize the net power consumption. The virtualized environment power conservation module makes use of server power profile or real time power consumption data to make power consumption aware Virtual Machine assignment decisions. In certain embodiments, a server system exposes real power consumption (e.g. System Watts, Cumulative kWh. etc.) via system management interfaces. Additionally, in certain embodiments, the server systems may expose real power consumption via standard power profiles. These systems leverage PMBus-enabled power supplies to read the power metric information. | 08-13-2009 |
Rahul Dhawan, Ballwin, MO US
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20140298532 | Molecular Markers Associated With Haploid Induction in Zea Mays - The present invention is the field of plant breeding. More specifically, the invention focuses on the use of molecular markers to select for a genetic locus contributing to haploid induction. | 10-02-2014 |
Rajat R. Dhawan, San Diego, CA US
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20110276747 | SOFTWARE MANAGEMENT WITH HARDWARE TRAVERSAL OF FRAGMENTED LLR MEMORY - Certain aspects of the present disclosure relate to a method and apparatus for processing wireless communications. According to certain aspects, a linked list of chunks of memory used to store logarithmic likelihood ratio (LLR) values for a transport block is generated. Each chunk holds LLR values for a code block of the transport block. The linked list is then provided to a hardware circuit for traversal. According to certain aspects, the hardware circuit may be an application specific integrated circuit (ASIC) processor or field programmable gate array (FPGA) configured to traverse the linked list of chunks of memory used to store LLR values. | 11-10-2011 |
Rajiv Dhawan, Wilmington, DE US
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20100160596 | PROCESS FOR THE PREPARATION OF HIGHLY PURE MONOMERS FOR POLYBENZIMIDAZOLE MATERIALS - Highly pure 2,3,5,6-tetraminotoluene species are produced by chemically reducing undesirable oxidation byproducts. The 2,3,5,6-tetraminotoluene species are then used in the manufacture of superior high-performance polybenzimidazole polymers. | 06-24-2010 |
20100160675 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for preparing complexes of 2,3,5,6-tetraminotoluene with an aromatic diacid starting with nitration of 2,6-dihalotoluene. The process design eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
20100160676 | PROCESS FOR THE PREPARATION OF MONOMERS FOR POLYBENZIMIDAZOLE MATERIALS - Complexes of 2,3,5,6-tetraminotoluene with an aromatic diacid are prepared by reaction with a divalent salt of the aromatic diacid while maintaining the pH of the reaction solution between 3 and 10. The resulting complexes are suitable for making high molecular weight polybenzimidazole polymers for high-performance fibers. | 06-24-2010 |
20100160678 | PROCESS FOR THE SYNTHESIS OF 2,6-DIAMINO-3,5-DINITROTOLUENE - An improved process is provided for the preparation of 2,6-diamino-3,5-dinitrotoluene by amination of 2,6-dichloro-3,5-dinitrotoluene. The presence of water unexpectedly results in a highly pure product, free of glycol ether impurities. This product can be used to make highly pure 2,3,5,6-tetraaminotoluene, which in turn can be used to make high molecular weight polybenzimidazoles for high strength fibers. | 06-24-2010 |
20100160679 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - Processes are provided for preparing complexes of 2,3,5,6-tetraaminotoluene with an aromatic diacid where the aromatic diacid is insoluble in water under ambient conditions. An integrated process design starting with nitration of 2,6-dihalotoluene eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
20100160685 | INTEGRATED PROCESS FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for preparing 2,3,5,6-tetraminotoluene and salts thereof starting with nitration of 2,6-dihalotoluene. The process design eliminates costly intermediate drying and recrystallization steps. Handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 06-24-2010 |
20100160686 | Process for the Preparation of Monomers for Polybenzimidazole Materials - A process is provided to produce 2,3,5,6-tetraaminotoluene. Highly pure salts of 2,3,5,6-tetraaminotoluene are produced via reduction of 2,6-diamino-3,5-dinitrotoluene. The 2,3,5,6-tetraaminotoluene salt is precipitated as a clean (>99% purity) product. The salt is a precursor for monomers to make a polybenzimidazole for high performance fibers. | 06-24-2010 |
20130012679 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 01-10-2013 |
20130012681 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 01-10-2013 |
20130046109 | INTEGRATED PROCESSES FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for efficiently preparing 2,4,5-triaminaphenol, starting with nitration of 2,6-dihalobenzene; high purity salts thereof; and complexes of 2,4,5-triaminophenol aromatic diacids, which are precursors for making polybenzimidazole polymer for high performance fibers. The process design eliminates several costly intermediate drying and recrystallization steps. The handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 02-21-2013 |
20130053573 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 02-28-2013 |
20130172621 | INTEGRATED PROCESSES FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS - An integrated process is provided for efficiently preparing 2,4,5-triaminophenol, starting with nitration of 2,6-dihalobenzene; high purity salts thereof; and complexes of 2,4,5-triaminophenol aromatic diacids, which are precursors for making polybenzimidazole polymer for high performance fibers. The process design eliminates several costly intermediate drying and recrystallization steps. The handling of solid materials with possible skin sensitizing properties and toxicity is avoided, thereby eliminating human and environmental exposure. | 07-04-2013 |
Rajjiv Dhawan, Wilmington, DE US
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20130012741 | 2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS - New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment. | 01-10-2013 |
Rakesh K. Dhawan, Ashburn, VA US
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20130257327 | MULTI-PHASE MULTI-POLE ELECTRIC MACHINE - A multi-phase multi-pole electric machine attached to a vehicle. The multi-phase multi-pole electric machine includes rotor, stator with five phase windings, machine controller, and torque sensors. The machine controller controls the flow of current. The torque sensors senses the torque exerted by the vehicle and transmits the information to the machine controller. The machine controller provides four degree of control through injection of five phase currents and thus providing higher torque. | 10-03-2013 |
Rakesh Kumar Dhawan, Dulles, VA US
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20100170757 | TORQUE BAR WITH INTEGRATED DISC BRAKE CALIPER MOUNTING - A torque bar on a bicycle braking system comprising of a disc brake caliper assembly including an axle housing, a torque bar mounted to the stator of an inverted hub motor and vehicle frame, wherein said torque bar is attached to the vehicle frame and disc brake caliper and the torque produced by the stator of inverted hub motor is transmitted to the vehicle frame through said torque bar. | 07-08-2010 |
20100171603 | KEYLESS SECURITY LOCK FOR LIGHT ELECTRIC VEHICLES - A removable keyless security lock for a light electric vehicle which employs existing permanent magnet brushless motor or motors that is or are programmed to produce high resistance to paddling to prevent theft. This antitheft mode offer resistance to motor rotation, thereby effectively locking the movement of the electric bicycle. An external energy source, such as, a battery is not required to keep the antitheft mode activated. The security lock is easily removable without using any tools and this will not deactivate the antitheft mode. | 07-08-2010 |
20100173188 | HUB MOUNT MODULAR BATTERY PACK - The EMS modular battery pack is a convenient and maintainable battery pack that encompasses several modules that are fixed to a rigid structure that carries the battery management system and each module contains several cells which are connected in series via welded leads and are supported mechanically within each module. The division of module facilitates the removal of non-functional cells within the module with ease and the battery pack also provides a battery management system that detects a non functional module using the sensing circuitry built in each module. The modular battery pack design facilitates various configurations of battery pack both electrically and mechanically since any number of modules can be combined to build a battery pack. | 07-08-2010 |
20100195286 | HEAT SINK MECHANISM FOR INTERNALLY INTEGRATED INVERTER HUB (I3H) MOTOR FOR LIGHT ELECTRIC VEHICLES - A heat sink assembly having excellent heat dissipation for internally integrated inverter hub motor for light electric vehicles and comprising of a thermally conducive ring, the electronic board consisting of multiple inverter switches, a potential secondary electronic board and a heat sink base, where the thermally conductive one piece ring is pressed down on the inverter switches to affix the switches to the hub of the motor thereby creating a mechanism for heat dissipation. | 08-05-2010 |
Rohit Dhawan US
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20130151607 | NOTIFICATION OF SOCIAL INTERACTIONS WITH A NETWORKING SYSTEM - When a social interaction involving a non-user page is detected, a determination is made as to whether to notify an administrator of the page regarding the detected interaction. The determination is made based on a notification policy that describes a variable pattern for communicating with the administrator regarding social interactions. If a determination is made to notify the administrator, a communication is transmitted to the administrator describing the detected interaction. | 06-13-2013 |
Rohit Dhawan, San Francisco, CA US
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20130124298 | GENERATING CLUSTERS OF SIMILAR USERS FOR ADVERTISEMENT TARGETING - A social networking system may identify a first set of users as part of a training cluster and identify a second set of users that is similar to the first set of users for purposes of targeting advertisements related to the advertiser. Using past engagement history (e.g., click-through rates), demographic information, and keywords associated with the training cluster of users, a social networking system may generate a training model specific to the training cluster. Confidence scores may be used to identify similar users across the total population of users of the social networking system for creating a targeting cluster of users for the advertisement. A revenue sharing scheme may be used induce page administrators to increase their fan base by enabling advertisers to target advertisements to users that have expressed interest in pages associated with the page administrators. | 05-16-2013 |
20130132993 | TRACKING LOCAL TELEPHONE NUMBERS - The present disclosure includes a system and method for tracking local telephone numbers. In some implementations, a method of tracking local TV ads includes receiving tracking information for a TV advertisement from a plurality of geographic regions. The TV advertisement are presented in each geographic region with a local telephone number. Metrics associated with the TV advertisement are determined for each geographic region using the tracking information. One or more Web pages are populated with at least one or more metrics for presenting to an advertiser. | 05-23-2013 |
20130139048 | Social Context for a Page Containing Content from a Global Community - Posts are ranked for display on a page in a social network environment based on interaction and user score signals associated with the post and a viewing user. The signals for each of the posts are scored, and a ranking score for each post is determined. The posts are ranked in an order for display based on the ranking score and displayed for the viewing user on the page. Posts submitted by other users who have established connections with the viewing user are also filtered for display in a social box on the page. | 05-30-2013 |
20130151613 | Providing Recommendations on a Social Networking System Page - A social networking system provides tips to users about non-user entities within the social networking system. Tips include short questions, comments, reviews and non-user entities include businesses, products, bands, songs etc. Tips are provided by users of the social networking system, wherein the tips are displayed to other users of if the other users meet privacy criteria associated with the tips. Additionally, tips are ranked based on the likelihood that a user will view or read the tip. Tips with the greatest likelihood are ranked higher than those with a lower likelihood. Selected tips with a high likelihood to be viewed are displayed to a viewing user on the topic page or within the user's news feed story. | 06-13-2013 |
20130159089 | DISTRIBUTING COUPONS TO USERS OF A SOCIAL NETWORKING SYSTEM USING A NEWSFEED - A social networking system distributes offers to its users using the social networking users' news feed or another communication channel in the social networking system. To distribute offers, the social networking system receives a post from an advertising user, which includes a coupon or other offer that can be redeemed at a merchant establishment. The post generates an offer story that includes the post with the offer, and an option for claiming the offer. The social networking system sends the offer story to a viewing user of the social networking system, and receives from the viewing user a selection of the option for claiming the offer. To further distribute the offer, the social networking system sends a news story about the viewing user claiming the offer in a feed of news stories to one or more other users of the social networking system who are connected to the viewing user. | 06-20-2013 |
20130173633 | Social Discovery and Ranking of Pages - In one embodiment, a social-networking system accesses a social graph with a plurality of user nodes and a plurality of location nodes, receives a search query with location parameters, identifies a set of location nodes based on the search query, and determines a value for each location nodes in the set based on the edges connected to the location nodes in the social graph. | 07-04-2013 |
20140040030 | MOBILE PAGE MANAGEMENT FOR MERCHANTS LEVERAGING A SOCIAL NETWORKING SYSTEM - A mobile application enables an administrator of a page in a social networking system to manage the page from a mobile device, separate from a mobile application used to consume content on the social networking system. The administrator application may be used to post content on the page, add fans to the page, delete content posted by fans of the page, generate deals, manage advertising campaigns, and access real-time metrics and insights for the page. The administrator application may also enable a user to manage multiple pages that the user has been designated as an administrator. Loyalty programs may also be designed and implemented in real-time using the administrator application, enabling business owners to customize rewards for users generating check-in events at the place of business. | 02-06-2014 |
20150095324 | Social Discovery and Ranking of Pages - In one embodiment, a social-networking system accesses a social graph with a plurality of user nodes and a plurality of location nodes, receives a search query with location parameters, identifies a set of location nodes based on the search query, and determines a value for each location nodes in the set based on the edges connected to the location nodes in the social graph. | 04-02-2015 |
20150261760 | PROVIDING RECOMMENDATIONS ON A SOCIAL NETWORKING SYSTEM PAGE - A social networking system provides tips to users about non-user entities within the social networking system. Tips include short questions, comments, reviews and non-user entities include businesses, products, bands, songs etc. Tips are provided by users of the social networking system, wherein the tips are displayed to other users of if the other users meet privacy criteria associated with the tips. Additionally, tips are ranked based on the likelihood that a user will view or read the tip. Tips with the greatest likelihood are ranked higher than those with a lower likelihood. Selected tips with a high likelihood to be viewed are displayed to a viewing user on the topic page or within the user's news feed story. | 09-17-2015 |
Sachin Dhawan, Redmond, WA US
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20090123090 | Matching Advertisements to Visual Media Objects - Systems, methods, and computer-readable media for matching a visual media object to an advertisement are provided. Embodiments of the present invention include receiving un-categorized visual media objects, automatically categorizing received visual media objects into subject-matter categories using image recognition technology, and retrieving advertisements assigned to the same subject-matter category for presentation in association therewith. | 05-14-2009 |
20100241495 | OFFLINE CASHBACK ADVERTISEMENTS - Embodiments of the present invention relate to systems, methods and computer storage media for providing an advertisement to a consumer in an online environment for utilization in an offline environment. The offline utilization of the coupon by the consumer allows for an amount owed to an advertisement-service provider by a merchant to be reduced. The advertisement-service provider provides, for a fee, advertising services for the merchant, which includes presenting a coupon to the consumer in an online environment. The consumer is presented with the coupon by the advertisement-service provider on behalf of the merchant. In one embodiment, the consumer stores the coupon for later redemption in an offline environment. The consumer purchases goods or service in an offline environment utilizing the coupon. The advertisement-service provider reduces an amount the merchant owes as a result of the consumer's offline redemption of the coupon. | 09-23-2010 |
Sandeep Dhawan, Newburgh, IN US
Patent application number | Description | Published |
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20100004377 | WEATHERABLE, HIGH MODULUS POLYMER COMPOSITIONS AND METHOD - Disclosed are compositions comprising (i) a rigid thermoplastic resin comprising structural units derived from a (C | 01-07-2010 |
20100093915 | IMPACT-MODIFIED MOLDING COMPOSITION AND METHOD - A method is disclosed for preparing an acrylic-styrene-acrylonitrile (ASA) resin, which comprises the steps of: (a) polymerizing a mixture comprising at least one acrylate monomer and at least one polyethylenically unsaturated monomer to form a rubber substrate, followed by (b) polymerizing a mixture of monomers in the presence of the rubber substrate, at least one of which monomers is selected from the group consisting of vinyl aromatic monomers and at least one of which monomers is selected from the group consisting of monoethylenically unsaturated nitrile monomers, and optionally followed by (c) polymerizing one or more monomers in at least one subsequent stage in the presence of the rubber substrate from (b), wherein the one or more monomers comprise at least one monomer selected from the group consisting of (C | 04-15-2010 |
20110124821 | PROCESS FOR MAKING POLYBUTYLENE TEREPHTHALATE (PBT) FROM POLYETHYLENE TEREPHTHALATE (PET) - In one embodiment, the invention relates to a two step process in which a 1,4-butane diol component reacts with a polyethylene terephthalate component under conditions that depolymerize the polyethylene terephthalate component into a molten mixture and the molten mixture is placed under subatmospheric conditions that produce the modified polybutylene terephthalate random copolymers. In another embodiment, the invention relates to a three step process in which a diol component selected from the group consisting of ethylene glycol, propylene glycol, and combinations thereof reacts with a polyethylene terephthalate component under conditions sufficient to depolymerize the polyethylene terephthalate component into a first molten mixture; and where the first molten mixture is combined with 1,4-butane diol under conditions that create a second molten mixture that is subsequently placed under subatmospheric conditions that produce the modified polybutylene terephthalate random copolymers. The invention also relates to compositions made from processes of the invention. | 05-26-2011 |
20160002429 | POLYMERIC SHEETS, METHODS FOR MAKING AND USING THE SAME, AND ARTICLES COMPRISING POLYMERIC SHEETS - In one embodiment, a polymeric sheet, comprising: a foamed layer comprising a polymeric material, wherein the polymeric material has a Tg of greater than or equal to 100° C.; and wherein the sheet has a weight reduction of 10% to 60%, as compared to a solid sheet of the same geometry and size formed from the same polymeric material. The sheet, at the thickness of 1.0 mm, has a smoke density of less than or equal to 200 particles after four minutes of burning according to ASTM E662-06. The sheet is thermoformable. | 01-07-2016 |
Sandeep Dhawan, Vienna, WV US
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20080283189 | METHOD FOR REDUCING STRINGINESS OF A RESINOUS COMPOSITION DURING HOT PLATE WELDING - Disclosed is a method for reducing stringiness during hot plate welding of an article comprising a resinous composition which comprises at least one step of contacting with water a surface of the article to be welded. The method also results in improved cycle time for preparation of the final article. | 11-20-2008 |
20080305323 | MULTILAYER ARTICLES HAVING SPECIAL VISUAL EFFECTS - The present invention relates to a multilayer article, wherein said multilayer article comprises: (i) a first layer comprising an acrylic resin; (ii) at least one translucent second layer comprising (a) an acrylic resin, optionally further comprising an impact modifier; (b) a rubber modified thermoplastic resin composition; (c) optionally a rheology modifier; and (d) a visual effects additive; (iii) a third layer comprising an acrylonitrile-butadiene-styrene (ABS) resin; and (iv) an optional backing layer comprising either a thermosetting polymer substrate, optionally fiber-reinforced, or glass filled ABS resin. | 12-11-2008 |
20110003964 | PROCESS FOR MAKING POLYBUTYLENE TEREPHTHALATE (PBT) FROM POLYETHYLENE TEREPHTHALATE (PET) - The invention relates to a process for making modified polybutylene terephththalate random copolymers from a polyethylene terephthalate component. The invention relates to a three step process in which a diol component selected from the group consisting of ethylene glycol, propylene glycol, and combinations thereof reacts with a polyethylene terephthalate component under conditions sufficient to depolymerize the polyethylene terephthalate component into a first molten mixture; and where the first molten mixture is combined with 1,4-butanediol under conditions that create a second molten mixture that is subsequently placed under subatmospheric conditions that produce the modified polybutylene terephthalate random copolymers. The invention also relates to compositions made from the process. | 01-06-2011 |
Sanjiv S. Dhawan, Menlo Park, CA US
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20140249867 | USER SPECIFIC LOCATION ASSIGNMENT AND VALUATION - Systems and methods for assigning a user to a physical location. User data that includes characteristics of a user is acquired. The user is matched with an attendee based on the user characteristics and attendee characteristics of the attendee. A physical location is determined based on a location that the attendee matched to the user will occupy. A notification including an identification of the physical location, an identification of the attendee, and the attendee characteristics are sent to the user. Input is received that indicates whether the user wants to obtain a right to occupy the physical location and if the input indicates that the user wants to obtain the right to occupy the physical location, then the right to occupy the physical location is obtained. | 09-04-2014 |
Sudhir Dhawan, Austin, TX US
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20090177946 | Memory Initialization Time Reduction - A method and apparatus to improve memory initialization in a memory of a computer system. Memory units in the memory comprise a plurality of ranks, each rank having a unique rank select. A parity generator outputs a parity bit corresponding to whether an encoded rank select has an even or odd number of “1”s. The parity bit is used by an Error Checking and Correcting (ECC) unit that generates ECC bits that are stored in a rank having an active rank select. During a first interval in a memory initialization period, ranks having an even number of “1”s in their encoded rank select are initialized in parallel. During a second interval in the memory initialization period, ranks having an odd number of “1”s in their encoded rank select are initialized in parallel. | 07-09-2009 |
20140245445 | Preventing Propagation Of Hardware Viruses In A Computing System - Preventing propagation of hardware viruses in a computing system, including: determining, by a hardware virus detection module, whether an empty connector in the computing system is damaged, wherein the empty connector is blocked from receiving an attachable computing device by a bumper; determining, by the hardware virus detection module, whether a connector for the attachable computing device is damaged; and responsive to determining that the empty connector is not damaged and that the connector for the attachable computing device is not damaged, moving the bumper such that the empty connector is not blocked from receiving the attachable computing device. | 08-28-2014 |
Udit Dhawan, Philadelphia, PA US
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20160140363 | PROGRAMMABLE UNIT FOR METADATA PROCESSING - A system and method for metadata processing that can be used to encode an arbitrary number of security policies for code running on a stored-program processor. This disclosure adds metadata to every word in the system and adds a metadata processing unit that works in parallel with data flow to enforce an arbitrary set of policies, such that metadata is unbounded and software programmable to be applicable to a wide range of metadata processing policies. This instant disclosure is applicable to a wide range of uses including safety, security, and synchronization. | 05-19-2016 |
Vishal Dhawan US
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20110060586 | VOICE APPLICATION NETWORK PLATFORM - A distributed voice applications system includes a voice applications rendering agent and at least one voice applications agent that is configured to provide voice applications to an individual user. A management system may control and direct the voice applications rendering agent to create voice applications that are personalized for individual users based on user characteristics, information about the environment in which the voice applications will be performed, prior user interactions and other information. The voice applications agent and components of customized voice applications may be resident on a local user device which includes a voice browser and speech recognition capabilities. The local device, voice applications rendering agent and management system may be interconnected via a communications network. | 03-10-2011 |