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Gang Wang

Gang Wang, Leuven BE

Patent application numberDescriptionPublished
20110097881Method of Forming Mono-Crystalline Germanium or Silicon Germanium - A method is presented for forming mono-crystalline germanium or silicon germanium in a trench. In an embodiment, the method comprises providing a substrate comprising at least one active region that is adjacent to two insulating regions, forming in the active region a trench having a width of less than 100 nm, and forming in the trench a fill layer at a temperature of less than 450° C. that comprises germanium or silicon germanium and substantially fills the trench. The method further comprises heating the fill layer to a temperature sufficient to substantially melt the fill layer and allowing re-crystallization of the substantially melted fill layer, thereby forming mono-crystalline germanium or silicon germanium in the trench. In an embodiment, the method further comprises forming a mono-crystalline germanium or silicon germanium fin by removing at least a portion of the insulating regions. The mono-crystalline fin may be comprised in a fin field-effect-transistor (finFET).04-28-2011
20110272789Nanochannel Device and Method for Manufacturing Thereof - The present disclosure relates to a device comprising a mono-crystalline substrate, the mono-crystalline substrate having at least one recessed region which exposes predetermined crystallographic planes of the mono-crystalline substrate, the at least one recessed region further having a recess width and comprising a filling material and an embedded nanochannel, wherein the width, the shape, and the depth of the embedded nanochannel is determined by the recess width of the at least one recessed region and by the growth rate of the growth front of the filling material in a direction perpendicular to the exposed predetermined crystallographic planes. The present disclosure is also related to a method for manufacturing a nanochannel device.11-10-2011

Gang Wang, Worcester, MA US

Patent application numberDescriptionPublished
20110098989Systems and methods for predicting heat transfer coefficients during quenching - A method to predict heat transfer coefficients for metal castings during quenching and/or cooling is provided. First, an initial set of HTC data are obtained from the computational fluid dynamics (CFD) simulation based on the metal casting geometry, initial metal casting temperature (distribution), quench bed/tunnel dimensions and set-up, and a given or baseline (standard) quenching condition including, but not limited to, air and/or gas flow velocity, air and/or gas flow direction relative to the work piece, air and/or gas temperature, air and/or gas humidity, etc. The initial HTC values for the entire surface of the work piece calculated from CFD can then be optimized by multiplying scale factors to minimize the error between the predicted temperature-time profiles and the experimental measurements for the given or standard/baseline quench condition. When the HTC values are optimized for a standard/baseline quench condition, a set of semi-empirical equations (or weight functions) can be used to quickly modify the standard/baseline HTC data for different quenching conditions (i.e., variations of quenching conditions from the baseline) without performing complete heat transferring and optimization calculations. A system and article of manufacture are also provided.04-28-2011

Gang Wang, Shanghai CN

Patent application numberDescriptionPublished
20080298460Method and Apparatus for Spatial Scalable Compression of a Video Stream - The invention provides a method of spatial scalable compression of video stream. The video stream is a stream having a resolution higher than a specified resolution. Firstly, the video stream is down-sampled and encoded to obtain a base stream; then the base stream is decoded and up-sampled to obtain a reconstructed stream; the reconstructed stream is subtracted from the video stream to obtain a residual stream; and next, a gain value is obtained according to an expected bitrate; in the end, the gain value is multiplied by the residual stream, the result obtained thereby is encoded to obtain an enhancement stream. The invention can not only determine the gain value according to the video stream itself, but also adjust the gain value dynamically according to external application environments, thus enabling the bitrate of the enhancement stream to meet the actual demand always.12-04-2008
20090328114METHOD AND RECEIVING UNIT FOR FAST CHANGE OF SERVICES - The present invention relates to a method of changing between a plurality N of distinct services, e.g. television channels, receivable on a receiving unit, such as a mobile phone/cellular phone, a personal digital assistant (PDA), a handheld television unit, or similar devices. The receiving unit is adapted to receive the plurality of services in a time slicing mode with services being arranged in a certain time slice sequence. The receiving unit is capable of receiving a first service (S12-31-2009
20100039940SENSOR NETWORK - The present invention provides a method for finding a backup node for a node in a sensor network. Firstly, determining a node which is in a state of waiting for being an agent node among a plurality of nodes adjacent to the node to be backed up for using the agent node to find the backup node. The states of waiting for being backed up is that the quantity of electricity of the node to be backed up drops below a preset value. According to the present invention, the node to be backed up does not need to communicate with a large number of nodes. It only needs to determine an agent node among the adjacent notes to do the substantial search for a backup node.02-18-2010
20110068836SPREAD-SPECTRUM CLOCK ACQUISITION AND TRACKING - Apparatus having corresponding methods and computer-readable media comprise: a phase detector configured to generate an error signal representing a phase difference between a recovered spread-spectrum clock signal and a serial data stream that includes a spread-spectrum clock signal; and a phase selector configured to provide the recovered spread-spectrum clock signal based on an error signal from a current spread-spectrum cycle of the spread-spectrum clock signal and an error signal from a previous spread-spectrum cycle of the spread-spectrum clock signal.03-24-2011
20110231882METHODS AND DEVICES FOR COMMUNICATIONS BETWEEN TWO DEVICES - The present invention provides a method of communicating between two devices, wherein these devices receive a signal requesting a second device to play a first broadcast audio/video content being played by a first device. The method comprises a step of generating a fingerprint of the first broadcast audio/video content being played on said first device and a series of fingerprints of a series of broadcast audio/video contents received by the second device; and a step of identifying said first broadcast audio/video content from said series of broadcast audio/video contents in accordance with said fingerprint of the first broadcast audio/video content and said series of fingerprints.09-22-2011
20110306792PROCESS FOR PREPARING TOLTERODINE AND THE L-TARTRATE THEREOF - The present invention relates to a process for preparing tolterodine and the L-tartrate thereof. The preparation consists of the following steps: A) ammonolysis reaction between diisopropylamine and compound 2 (3,4-dihydro-6-methyl-4-phenyl-2H-benzopyran-2-one) activated by an activator to afford the amide 3; B) reduction of the amide by a reductant to give compound 1, i.e., racemic tolterodine free base; C) Resolution of the tolterodine free base to afford tolterodine L-tartrate. The present route is very short and suitable for industrial production.12-15-2011

Patent applications by Gang Wang, Shanghai CN

Gang Wang, Bethesda, MD US

Patent application numberDescriptionPublished
20100332079CONSTANT FORCE CONTROL METHODOLOGY FOR SHOCK ABSORPTION - A Constant Force Control methodology and system utilizing integrated sensors and unique control algorithms to determine required applied force to mitigate shock events in an adaptive energy absorption system, typically comprising of a spring and an adjustable energy absorber or damper element. By utilizing an expected acceleration profile and event duration for an anticipated shock event an acceleration amplitude can be determined from a measure impact velocity. From this and a measured payload mass a system controller can determine the force necessary to be applied by the energy absorber in order to stop the payload over the full desired length of the available energy absorber stroke in order to minimize the forces experienced by the payload.12-30-2010

Patent applications by Gang Wang, Bethesda, MD US

Gang Wang, Bradley Stoke GB

Patent application numberDescriptionPublished
20100296553PROCESSING DIGITAL SAMPLES IN A WIRELESS RECEIVER - A method of processing digital samples of a signal received at a receiver of a wireless communication system includes monitoring channel conditions and generating a channel indicator including at least one channel parameter by performing at least one of: estimating a channel mobility parameter and comparing it with a threshold; estimating a channel parameter of the energy of the channel outside a predefined temporal window and comparing it with a threshold; estimating a channel temporal duration parameter and establishing if it meets predetermined criteria; estimating a channel-zero location parameter and establishing if it meets predetermined criteria; estimating a received-signal signal-to-disturbance power ratio and comparing it to a threshold; estimating an estimated-channel-response signal-to-disturbance power ratio; estimating the degree of non-stationarity of the disturbance at the receiver input; and selecting one of a plurality of processing routines for processing the digital samples based on said channel indicator. Related receivers are also described.11-25-2010

Gang Wang, Shenzhen City CN

Patent application numberDescriptionPublished
20100148852ORIENTATION DETECTION CIRCUIT AND ELECTRONIC DEVICE USING THE SAME - An orientation detection circuit is provided. The circuit includes a processor, a first resistor, a second resistor, a third resistor, a vibration switch, a first transistor, and a second transistor. The processor includes a first input pin and a second input pin. The third resistor has a resistance value greater than that of the first resistor and the third resistor. The vibration switch includes a first terminal being grounded, a second terminal connected to the second input pin, a third terminal connected to a power source, and a fourth terminal connected via the third resistor to the second terminal and connected to the first input pin. The first transistor has a first source connected via the first resistor to the power source, a first drain connected to the first input pin, and a first gate connected to the second input pin.06-17-2010

Gang Wang, Montgomery Village, MD US

Patent application numberDescriptionPublished
20100135958METHOD FOR TREATING CANCER IN HUMANS - A method of treating and/or preventing cancer in a subject, preferably mammalian, more preferably human, by administering in an effective amount IL-21 polypeptide, polynucleotide, vector comprising an IL-21 nucleic acid sequence encoding an IL-21 polypeptide, variants, and fragments thereof, thereby acting as an anti-cancer agent by reducing, ameliorating, and/or eliminating the cancer; and a method of treating and/or preventing cancer in a subject by co-administering the IL-21 polypeptide, polynucleotide, IL-21 vector, variant, and fragments thereof, with an immunotherapeutic and/or chemotherapeutic agent for the treatment and/or prevention of cancer in a subject.06-03-2010

Gang Wang, Guangdong Province CN

Patent application numberDescriptionPublished
20100046499APPARATUS FOR A TRADITIONAL TERMINAL TO ACCESS AN IMS SYSTEM AND THE METHOD THEREOF - An apparatus and method for realizing the access of a legacy terminal to an IMS system. The apparatus includes a session control module, a downlink signaling interface function module, a downlink bearer interface function module, an uplink signaling interface function module, an uplink bearer interface function module and a media interworking module. The session control module registers the terminal that has entered service status to the I-CSCF on IMS side. During the session, the uplink signaling interface function module provides SIP signaling interaction with the CSCF function entity of IMS core network; the downlink signaling interface function module provides signaling interaction with the legacy terminal; the media interworking module provides the connection and media adaptation between the uplink bearer interface function module and the downlink bearer interface function module. The invention enables the services of the legacy networks such as PSTN/ISDN and the like to be integrated with those of IMS networks, thus reducing the cost of network construction and operation.02-25-2010

Gang Wang, Fushun City CN

Patent application numberDescriptionPublished
20090308790HYDROGENATION CATALYST COMPOSITION, PROCESS FOR PREPARING THE SAME AND USE THEREOF - The present invention relates to a hydrogenation catalyst composition, process for preparing the same and use thereof. The composition comprises a hydrogenation catalyst, an organonitrogen compound in an amount of 0.01%-20% by weight of the catalyst, a sulfiding agent in an amount of 30%-150% by weight of the sulfur-requiring amount calculated theoretically of the hydrogenation catalyst, and an organic solvent in an amount of 0.1%-50% by weight of the catalyst. The preparation process comprises introducing the required substances onto the hydrogenation catalyst in oxidation state. By introduction of the organonitrogen compound, sulfur and organic solvent, the hydrogenation catalyst composition of the present invention may further increase the sulfur-maintaining ratio of the catalyst during the activation, slow down the concentrative exothermic phenomenon, decrease the rate of temperature rise of the catalyst bed layer, and improve the activity of the catalyst. The process of the present invention may be used for the treatment before the application of various hydrogenation catalysts.12-17-2009

Gang Wang, San Jose, CA US

Gang Wang, San Diego, CA US

Patent application numberDescriptionPublished
20090030695System And Method For Hazard Mitigation In Voice-Driven Control Applications - A speech recognition and control system including a sound card for receiving speech and converting the speech into digital data, the sound card removably connected to an input of a computer, recognizer software executing on the computer for interpreting at least a portion of the digital data, event detection software executing on the computer for detecting connectivity of the sound card, and command control software executing on the computer for generating a command based on at least one of the digital data and the connectivity of the sound card.01-29-2009
20090198557TIMING COMMERCIAL OFFERS BASED ON LONG-TERM USER DATA - One embodiment of the present invention provides a system that times commercial offers made to a user. During operation, the system starts by receiving financial history data for the user, wherein the financial history data includes purchase records for a set of purchases. The system then identifies a subset of purchases in the set of purchases, wherein the subset of purchases are semantically linked to a set of predetermined subjects. Next, the system identifies timing patterns in the subset of purchases based on timing information associated with the subset of purchases. The system then presents one or more commercial offers to the user at specific times based on the identified timing patterns.08-06-2009
20090198602RANKING COMMERCIAL OFFERS BASED ON USER FINANCIAL DATA - One embodiment of the present invention provides a system that ranks commercial offers for a user in a set of users. During operation, the system receives financial data for the set of users, wherein the financial data includes spending data for the set of users across a set of categories. Next, for a given user, the system computes an individual-strength vector based on financial data specific to the given user, wherein each entry in the individual-strength vector represents an amount of spending in a respective category for the given user. The system additionally computes a relative-strength vector for the given user based on the financial data for the set of users, wherein the relative-strength vector represents a relative-spending strength across the set of categories for the given user relative to the set of users. The system then ranks the commercial offers for a user based on both the set of individual-strength vectors and the set of relative-strength vectors for the set of users.08-06-2009

Gang Wang, Woburn, MA US

Patent application numberDescriptionPublished
20090187027PROCESSES AND REAGENTS FOR SULFURIZATION OF OLIGONUCLEOTIDES - The present invention relates to processes and reagents for oligonucleotide synthesis and purification. One aspect of the present invention relates to compounds useful for activating phosphoramidites in oligonucleotide synthesis. Another aspect of the present invention relates to a method of preparing oligonucleotides via the phosphoramidite method using an activator of the invention. Another aspect of the present invention relates to sulfur-transfer agents. In a preferred embodiment, the sulfur-transfer agent is a 3-amino-1,2,4-dithiazolidine-5-one. Another aspect of the present invention relates to a method of preparing a phosphorothioate by treating a phosphite with a sulfur-transfer reagent of the invention. In a preferred embodiment, the sulfur-transfer agent is a 3-amino-1,2,4-dithiazolidine-5-one. Another aspect of the present invention relates to compounds that scavenge acrylonitrile produced during the deprotection of phosphate groups bearing ethylnitrile protecting groups. In a preferred embodiment, the acrylonitrile scavenger is a polymer-bound thiol. Another aspect of the present invention relates to agents used to oxidize a phosphite to a phosphate. In a preferred embodiment, the oxidizing agent is sodium chlorite, chloramine, or pyridine-N-oxide. Another aspect of the present invention relates to methods of purifying an oligonucleotide by annealing a first single-stranded oligonucleotide and second single-stranded oligonucleotide to form a double-stranded oligonucleotide; and subjecting the double-stranded oligonucleotide to chromatographic purification. In a preferred embodiment, the chromatographic purification is high-performance liquid chromatography.07-23-2009

Gang Wang, Frederick, MD US

Patent application numberDescriptionPublished
20080267473MEDICAL IMAGE ACQUISITION ERROR DETECTION - A medical image acquisition error detection technique is presented which exploits the special characteristics of medical images to detect possible errors. In general, the presented technique categorizes medical images based on the type of images. For each category, a type of standard image is computed which represents the typical characteristics of images within a category. Then, exemplary images in a category are compared to the standard image for that category to establish an acceptable difference between actual images and the standard image for the category under consideration. When a medical image is to be examined for possible acquisition errors, it is categorized and a measure of difference between the image and the standard image for the category is computed. If the measure of difference falls outside the acceptable difference for the category, the image is deemed to contain an acquisition error and an alert is issued.10-30-2008
20090055333SELF-ADAPTIVE DATA PRE-FETCH BY ARTIFICIAL NEURON NETWORK - When a patient enters a medical situation, healthcare professionals can use various amounts of information in evaluating the situation. However, different information can be beneficial dependent on the medical situation. Moreover, personnel can historically use specific information types regardless of the situation. An artificial neuron network is employed to pre-fetch information that personnel likely will want prior to a request from the personnel. In addition, the artificial neuron network can be trained based on results of presented information.02-26-2009

Gang Wang, Lowell, MA US

Patent application numberDescriptionPublished
20090011295Use of Silicon Particles as Catalyst, Electrochemical Device Comprising the Particles and Method Thereof - The invention provides the use of silicon particles as redox catalyst, an electrochemical device and method thereof. As electrocatalyst, the silicon particles catalyze a redox reaction such as oxidization of the redox reactant such as renewable fuels e.g. methanol, ethanol and glucose. The device such as a fuel cell comprises a redox reactant and a catalytic composition comprising silicon nanoparticles. The silicon particles catalyze the redox reaction on an electrode such as anode in the device. In preferred embodiments, the electrocatalysis is dramatically improved under low illuminance such as in darkness. The invention can be widely used in applications related to for example a fuel cell, a sensor, an electrochemical reactor, and a memory.01-08-2009

Gang Wang, Piscattaway, NJ US

Patent application numberDescriptionPublished
20090005549Processes and Reagents for Desilylation of Oligonucleotides - The present invention relates to processes and reagents for oligonucleotide synthesis and purification. One aspect of the present invention relates to compounds useful for activating phosphoramidites in oligonucleotide synthesis. Another aspect of the present invention relates to a method of preparing oligonucleotides via the phosphoramidite method using an activator of the invention. Another aspect of the present invention relates to sulfur-transfer agents. In a preferred embodiment, the sulfur-transfer agent is a 3-amino-1,2,4-dithiazolidine-5-one. Another aspect of the present invention relates to a method of preparing a phosphorothioate by treating a phosphite with a sulfur-transfer reagent of the invention. In a preferred embodiment, the sulfur-transfer agent is a 3-amino-1,2,4-dithiazolidine-5-one. Another aspect of the present invention relates to compounds that scavenge acrylonitrile produced during the deprotection of phosphate groups bearing ethylnitrile protecting groups. In a preferred embodiment, the acrylonitrile scavenger is a polymer-bound thiol. Another aspect of the present invention relates to agents used to oxidize a phosphite to a phosphate. In a preferred embodiment, the oxidizing agent is sodium chlorite, chloroamine, or pyridine-N-oxide. Another aspect of the present invention relates to methods of purifying an oligonucleotide by annealing a first single-stranded oligonucleotide and second single-stranded oligonucleotide to form a double-stranded oligonucleotide; and subjecting the double-stranded oligonucleotide to chromatographic purification. In a preferred embodiment, the chromatographic purification is high-performance liquid chromatography.01-01-2009

Gang Wang, Lake Villa, IL US

Patent application numberDescriptionPublished
20080269067Companion diagnostic assays for cancer therapy - A method for classifying cancer patients as eligible to receive cancer therapy comprising determination of the presence or absence in a patient tissue sample of chromosomal copy number gain at chromosomal locus 18q21-q22. The classification of cancer patients based upon the presence or absence of 18q21-q22 gain allows selection of patients to receive chemotherapy, such as therapy with a Bcl-2 family inhibitor, and for monitoring patient response to therapy.10-30-2008

Gang Wang, Milpitas, CA US

Patent application numberDescriptionPublished
20110115406HIGH CRI WHITE LIGHT EMITTING DEVICES AND DRIVE CIRCUITRY - A high CRI white light emitting device comprises: a blue solid state light emitter (LED) operable to generate blue light; a phosphor material operable to absorb a portion of the blue light and to emit green/yellow light and a red solid state light emitter (LED) operable to generate red light. The emission product of the device comprises the combined light generated by the blue and red LEDs and green/yellow light generated by the phosphor material and appears white in color. The device further comprises a drive circuit operable to compensate for variation in the ratio (relative contribution) of red to blue light in the emission product such as to ensure that said variation is less than 20% over an operating temperature range of at least 25° C. The drive circuit can reduce variation in the CRI and CCT of the device's emission product over the operating temperature range.05-19-2011
20120032600LED-BASED LIGHT EMITTING SYSTEMS AND DEVICES WITH COLOR COMPENSATION - A light emitting system comprises an LED-based light emitting device and a controller for controlling operation of the device. The device comprises at least two LEDs that are operable to generate light of different colors that contribute to the emission product of the device. The controller is operable to control light emission from the LEDs in response to the measured intensity of the first and second color light contributions in the emission product. To measure the individual light contributions the controller is operable to interrupt, or at least change, light emission from one LED for a selected time period and during this time period to measure the intensity of the emission product of the device. The intensity of light of the first and second color can be determined by comparing the measured intensity with the measured intensity when the light emission from the other LED is interrupted or changed.02-09-2012
20120086034SOLID-STATE LIGHT EMITTING DEVICES AND SIGNAGE WITH PHOTOLUMINESCENCE WAVELENGTH CONVERSION - A solid-state light emitting device having a solid-state light emitter (LED) operable to generate excitation light and a wavelength conversion component including a mixture of particles of a photoluminescence material and particles of a light reflective material. In operation the phosphor absorbs at least a portion of the excitation light and emits light of a different color. The emission product of the device comprises the combined light generated by the LED and the phosphor. The wavelength conversion component can be light transmissive and comprise a light transmissive substrate on which the mixture of phosphor and reflective materials is provided as a layer or homogeneously distributed throughout the volume of the substrate. Alternatively the wavelength conversion component can be light reflective with the mixture of phosphor and light reflective materials being provided as a layer on the light reflective surface.04-12-2012
20120087103WAVELENGTH CONVERSION COMPONENT WITH A DIFFUSING LAYER - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component includes a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle.04-12-2012
20120087104WAVELENGTH CONVERSION COMPONENT WITH SCATTERING PARTICLES - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices.04-12-2012
20120087105WAVELENGTH CONVERSION COMPONENT - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices.04-12-2012

Patent applications by Gang Wang, Milpitas, CA US

Gang Wang, Yorktown Heights, NY US

Patent application numberDescriptionPublished
20110126272APPARATUS AND METHOD OF IDENTITY AND VIRTUAL OBJECT MANAGEMENT AND SHARING AMONG VIRTUAL WORLDS - A system for centrally managing credential information of a user and a virtual object of a user across a plurality of virtual world (or corresponding virtual world servers) is disclosed. The system includes an identity service module for managing an authentication request (e.g., verifying credential information of a user) from a user and an inventory service module for managing virtual properties of a user. Furthermore, a method for logging in a virtual world by using the system is disclosed. A method for teleporting a virtual property from a virtual world to another virtual world by using the system is disclosed. A method for logging out from a virtual world by using the system is also disclosed.05-26-2011

Gang Wang, Cambridge, MA US

Patent application numberDescriptionPublished
20110196145PROCESS FOR DESILYLATION OF OLIGONUCLEOTIDES - The present invention relates to processes and reagents for oligonucleotide synthesis and purification. One aspect of the present invention relates to compounds useful for activating phosphoramidites in oligonucleotide synthesis. Another aspect of the present invention relates to a method of preparing oligonucleotides via the phosphoramidite method using an activator of the invention. Another aspect of the present invention relates to sulfur-transfer agents. In a preferred embodiment, the sulfur-transfer agent is a 3-amino-1,2,4-dithiazolidine-5-one. Another aspect of the present invention relates to a method of preparing a phosphorothioate by treating a phosphite with a sulfur-transfer reagent of the invention. In a preferred embodiment, the sulfur-transfer agent is a 3-amino-1,2,4-dithiazolidine-5-one. Another aspect of the present invention relates to compounds that scavenge acrylonitrile produced during the deprotection of phosphate groups bearing ethylnitrile protecting groups. In a preferred embodiment, the acrylonitrile scavenger is a polymer-bound thiol. Another aspect of the present invention relates to agents used to oxidize a phosphite to a phosphate. In a preferred embodiment, the oxidizing agent is sodium chlorite, chloroamine, or pyridine-N-oxide. Another aspect of the present invention relates to methods of purifying an oligonucleotide by annealing a first single-stranded oligonucleotide and second single-stranded oligonucleotide to form a double-stranded oligonucleotide; and subjecting the double-stranded oligonucleotide to chromatographic purification. In a preferred embodiment, the chromatographic purification is high-performance liquid chromatography.08-11-2011

Gang Wang, St. Peters, MO US

Patent application numberDescriptionPublished
20120032234Antiphase Domain Boundary-Free III-V Compound Semiconductor Material on Semiconductor Substrate and Method for Manufacturing Thereof - Methods of manufacturing a III-V compound semiconductor material, and the semiconductor material thus manufactured, are disclosed. In one embodiment, the method comprises providing a substrate comprising a first semiconductor material having a {001} orientation and an insulating layer overlaying the first semiconductor material. The insulating layer comprises a recessed region exposing an exposed region of the first semiconductor material. The method further comprises forming a buffer layer overlaying the exposed region that comprises a group IV semiconductor material. The method further comprises thermally annealing the substrate and the buffer layer, thereby roughening the buffer layer to create a rounded, double-stepped surface having a step density and a step height. A product of the step density and the step height is greater than or equal to 0.05 on the surface. The method further comprises at least partially filling the recessed region with a III-V compound semiconductor material overlaying the surface.02-09-2012

Gang Wang, Bristol GB

Patent application numberDescriptionPublished
20120076189ESTIMATION OF SIGNAL AND INTERFERENCE POWER - Wireless receiver and method of operating a wireless receiver in a wireless communication network for: receiving a signal, the received signal comprising data containing at least one symbol from a symbol alphabet, the symbol alphabet consisting of complex values that define a direction in the complex plane, the received signal further comprising interference; measuring the variance of a first component of the received signal that is perpendicular to the defined direction in the complex plane; estimating the interference power of the received signal using the measured variance of the first component of the received signal; estimating a total power of the received signal; estimating the power of the at least one symbol of the received signal by subtracting the estimated interference power from the estimated total power of the received signal; and based on the estimated interference power and the estimated power of the at least one symbol of the received signal, performing at least one of the steps of: processing the received signal, and generating control information related to the transmission of a further signal from the wireless receiver.03-29-2012

Gang Wang, Liaoning Province CN

Patent application numberDescriptionPublished
20120091039EBULLATED BED HYDROTREATING SYSTEMS AND PROCESSES OF HEAVY CRUDE OIL - Disclosed are a mixed catalyst comprising catalyst A and catalyst B mixed in a volume ratio ranging from 1:0.1 to 1:10, heavy crude oil ebullated-bed hydrotreating systems comprising at least one ebullated-bed reactor comprising the mixed catalyst, and heavy crude oil ebullated-bed hydrotreating processes comprising: introducing heavy crude oil and hydrogen into at least one ebullated-bed reactor, reacting the heavy crude oil and the hydrogen with the mixed catalyst in the at least one ebullated-bed reactor to produce reaction products; and discharging the reaction products from the top of the at least one ebullated-bed reactor.04-19-2012