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| 20130084702 | ACRYLATE POLYURETHANE CHEMICAL MECHANICAL POLISHING LAYER - A chemical mechanical polishing pad comprising an acrylate polyurethane polishing layer, wherein the polishing layer exhibits a tensile modulus of 65 to 500 MPa; an elongation to break of 50 to 250%; a storage modulus, G′, of 25 to 200 MPa; a Shore D hardness of 25 to 75; and a wet cut rate of 1 to 10 μm/min. | 04-04-2013 |
| 20140105811 | SUPERCRITICAL CONTINUOUS HYDROTHERMAL SYNTHESIS OF LITHIUM TITANATE ANODE MATERIALS FOR LITHIUM-ION BATTERIES - A method for synthesizing lithium titanate includes preparing a supercritical fluid from water; reacting a solution containing lithium and titanium with the supercritical fluid under a condition that maintains the supercritical fluid in its supercritical state to produce a reaction mixture comprising the lithium titanate; and collecting the lithium titanate. The supercritical fluid is prepared at a temperature of 375-500° C. and a pressure of 22-35 MPa. The solution containing lithium and titanium is prepared by mixing a solution containing lithium, prepared by dissolving a lithium source in a selected solvent, and a solution containing titanium, prepared by dissolving a titanium source in the selected solvent, wherein a molar ratio of lithium:titanium is between 4.0:5.0 and 4.5:5.0. The lithium source is lithium hydroxide, lithium carbonate, lithium acetate, lithium oxalate, lithium nitrate, or lithium oxide, and the titanium source is tetrabutyl titanate. | 04-17-2014 |
| 20140106223 | METHODS FOR SURFACE COATING OF CATHODE MATERIAL LiNi0.5-XMn1.5MXO4 FOR LITHIUM-ION BATTERIES - A high-voltage lithium-ion battery cathode material includes LiNi | 04-17-2014 |
| 20140303337 | POLYMERS HAVING CHELATING FUNCTIONALITY - The present invention provides novel polymers having chelating functionality and comprising units derived from an ethylenically unsaturated aminocarboxylate monomer which comprises units derived from ethylenediamine triacetic acid or its salt and a polymerizable vinyl monomer. The polymerizable vinyl monomer may be selected from (0-, m-, p-)DVBMO, allyl glycidyl ether, and glycidyl (meth)acrylate. The polymer may also comprise units derived from one or more ethylenically unsaturated monomers. | 10-09-2014 |
| 20140303397 | VINYL MONOMERS HAVING CHELATING FUNCTIONALITY - The present invention provides novel polymerizable monomers having chelating functionality and processes to make them. In particular, the novel monomers are ethylenically unsaturated aminocarboxylates and are prepared by reacting ethylenediamine triacetic acid or its salt with an ethylenically unsaturated monomer. The ethyleneically unsaturated monomer may be a polymerizable vinyl monomer selected from (o-, p-, m-)DVBMO, allyl glycidyl ether, and glycidyl (meth)acrylate. | 10-09-2014 |
| 20140336410 | ETHYLENICALLY UNSATURATED MONOMERS HAVING CHELATING FUNCTIONALITY - The present invention provides novel polymerizable monomers having chelating functionality and processes to make them. In particular, the novel monomers are vinyl aminocarboxylates and are prepared by reacting iminodiacetic acid, iminodisuccinic acid, or a salt thereof and a vinyl epoxy benzene monomer. | 11-13-2014 |
| 20150031846 | POLYMERS HAVING CHELATING FUNCTIONALITY - The present invention provides novel polymers having chelating functionality and comprising units derived from a vinyl aminocarboxylate monomer which comprises units derived from iminodiecetic acid, iminodisuccinic acid, or a salt thereof, and a vinyl epoxy benzene monomer. | 01-29-2015 |
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| 20140209923 | OPTOELECTRONIC DEVICES INCORPORATING SINGLE CRYSTALLINE ALUMINUM NITRIDE SUBSTRATE - The invention provides an optoelectronic device adapted to emit ultraviolet light, including an aluminum nitride single crystalline substrate, wherein the dislocation density of the substrate is less than about 10 | 07-31-2014 |
| 20140264714 | POWER SEMICONDUCTOR DEVICES INCORPORATING SINGLE CRYSTALLINE ALUMINUM NITRIDE SUBSTRATE - The invention provides a power semiconductor device including an aluminum nitride single crystalline substrate, wherein the dislocation density of the substrate is less than about 10 | 09-18-2014 |
| 20150200287 | DOPED GALLIUM NITRIDE HIGH-ELECTRON MOBILITY TRANSISTOR - Embodiments include high electron mobility transistors (HEMTs) comprising a substrate and a barrier layer including a doped component. The doped component may be a germanium doped layer or a germanium doped pulse. Other embodiments may include methods for fabricating such a HEMT. | 07-16-2015 |
| 20150247260 | HIGHLY TRANSPARENT ALUMINUM NITRIDE SINGLE CRYSTALLINE LAYERS AND DEVICES MADE THEREFROM - The invention provides highly transparent single crystalline AlN layers as device substrates for light emitting diodes in order to improve the output and operational degradation of light emitting devices. The highly transparent single crystalline AlN layers have a refractive index in the a-axis direction in the range of 2.250 to 2.400 and an absorption coefficient less than or equal to 15 cm-1 at a wavelength of 265 nm. The invention also provides a method for growing highly transparent single crystalline A1N layers, the method including the steps of maintaining the amount of Al contained in wall deposits formed in a flow channel of a reactor at a level lower than or equal to 30% of the total amount of aluminum fed into the reactor, and maintaining the wall temperature in the flow channel at less than or equal to 1200° C. | 09-03-2015 |
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| 20120018066 | NATURAL OIL POLYOLS IN ELASTOMERS FOR TIRES - Prepolymers having active NCO groups are disclosed. The prepolymers are the reaction product of at least one polyisocyanate and a polyhydric component which comprises at least one dimer fatty derivative diol or diamine that is a natural oil based polyol or polyamine which includes the derivative of at least one dimer fatty acid. Polyurethane and polyurea elastomer obtained from the prepolymers are also disclosed. Also disclosed are methods of manufacturing polyurethane or polyurea treaded tires. | 01-26-2012 |
| 20120035001 | CASTABLE POLYUREA COMPOSITIONS FOR GOLF BALL COVERS - Disclosed herein is a golf ball having improved cut and shear resistance. Such gold balls comprise a core, an inner cover layer, and an outer cover layer, the outer cover layer being formed from a polyurea or poly(urea-co-urethane) comprising: 1) a polyurea prepolymer comprising: the reaction product of at least one first polyisocyanate, wherein the polyisocyanate has a reactivity greater than that of 4,4′-methylene bis(cyclohexyl) isocyanate and a functionality of 1.7 to 2.3, and at least one amine-terminated compound, wherein the amine-terminated compound is selected from the group consisting of amine-terminated hydrocarbons, amine-terminated polyethers, amine-terminated polyesters, amine-terminated polycaprolactones, amine-terminated polycarbonates, amine-terminated polyamides, and mixtures thereof; and at least one second polyisocyanate with a vapor pressure lower than 0.01 mm Hg at 20° C.; and 2) at least one curing agent comprising amine or hydroxyl functional curatives. | 02-09-2012 |
| 20130012664 | POLYURETHANE COMPOSITIONS HAVING IMPROVED IMPACT RESISTANCE AND OPTICAL PROPERTIES - A thermoset polyurethane composition having excellent impact and optical properties is prepared from a formulation comprising at least a prepolymer and a chain extender. The prepolymer includes an isocyanate component, containing 1,3-bis(isocyanatomethyl)cyclohexane and at least (20) percent by weight of 1,4-bis(isocyanatomethyl)cyclohexane, and an isocyanate-reactive component, containing hydroxyl, amine or thiol functionality. The isocyanate-reactive component includes from (70) to (95) percent by weight of a compound having a molecular weight from 150 to less than 950 Daltons, and from (5) to (30) percent by weight of a compound having a molecular weight from 2,000 to 4,500 Daltons. The chain extender is an aromatic, aliphatic, or cycloaliphatic polyamine compound containing at least one hydroxyl and/or thiol group. Articles that may be prepared include ophthalmic lenses, vehicle glazings, aircraft canopies, and the like. | 01-10-2013 |
| 20150210906 | TOUGHENED, CURABLE EPOXY COMPOSITIONS FOR HIGH TEMERATURE APPLICATIONS - A composition comprising: (a) an epoxy resin composition comprising: (i) a first epoxy component comprising an epoxy resin having at least one oxazolidone ring structure; and (ii) a second epoxy component selected from the group consisting of a liquid epoxy resin, a divinylarene dioxide, and combinations thereof; (b) a core-shell rubber comprising a rubber particle core and a shell layer, and (c) a hardener, is disclosed. | 07-30-2015 |
| 20150218299 | POLYMER PARTICLE DISPERSIONS WITH POLYOLS - A toughener composition comprising: a) a polyol component selected from the group consisting of a polyether polyol, a polyester polyol, a polycaprolactone polyol, a hydroxyl-terminated polybutadiene, and mixtures or copolymers thereof; and b) a core shell rubber comprising a rubber particle core and a shell layer wherein said core shell rubber has a particle size of from 0.01 μm to 0.5 μm is disclosed. The toughener can be used in epoxy resin compositions for composite applications. | 08-06-2015 |
| 20150247031 | POLYMER PARTICLE DISPERSIONS WITH DIVINYLARENE DIOXIDES - A toughener composition comprising a) 45 to 97 weight percent of a divinylarene dioxide; and b) 3 to 55 weight percent of a core shell rubber comprising a rubber particle core and a shell layer wherein said core shell rubber has a particle size of from 0.01 μm to 0.50 μm is disclosed. The toughener can be used in epoxy resin compositions for advanced composite, electronic, coating and structural adhesive applications. | 09-03-2015 |
| 20150252183 | POLYMER PARTICLE DISPERSIONS WITH EPOXY HARDENERS - A process for producing a dispersion comprising: dispersing a) a core shell rubber into b) a hardener component selected from the group consisting of anhydrides, amines, phenol novolacs, and mixtures thereof in a dispersion zone under dispersion conditions wherein said dispersion zone does not contain a solvent and wherein said dispersion conditions comprise a dispersion temperature of 40° C. to 100° C., a Reynolds Number greater than 10, and a dispersion time of from 30 minutes to 80 minutes is disclosed. | 09-10-2015 |
| 20150368457 | TOUGHENED EPOXY THERMOSETS CONTAINING CORE SHELL RUBBERS AND POLYOLS - A curable resin composition comprising: a) an epoxy resin; b) an anhydride hardener; c) a polyol; d) a core shell rubber, and (e) a catalyst, is disclosed. When cured, the resin composition can be used to formulate composites, coatings, laminates, and adhesives. | 12-24-2015 |
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| 20080286860 | CANCER SPECIFIC PROMOTERS - The present invention regards cancer-specific control sequences that direct expression of a polynucleotide encoding a therapeutic gene product for treatment of the cancer. Specifically, the invention encompasses breast cancer-, prostate cancer-, and pancreatic cancer-specific control sequences. Two breast cancer-specific sequences utilize specific regions of topoisomerase IIα and transferrin receptor promoters, particularly in combination with an enhancer. The prostate cancer-specific and pancreatic cancer-specific control sequences utilize composites of tissue-specific control sequences, a two-step transcription amplification sequence, and a post-transcriptional control sequence. In more particular embodiments, these polynucleotides are administered in combination with liposomes. | 11-20-2008 |
| 20090192101 | CANCER-SPECIFIC PROMOTERS - The present invention regards cancer-specific control sequences that direct expression of a polynucleotide encoding a therapeutic gene product for treatment of the cancer. Specifically, the invention encompasses breast cancer-specific and ovarian cancer-specific control sequences. Two breast cancer-specific sequences utilize specific regions of fatty acid synthase and claudin 4 promoters, particularly in combination with a two-step transcription amplification sequence and/or a post-transcriptional control sequence. Two ovarian cancer-specific sequences utilize specific regions of hTERT and survivin promoters, particularly in combination with a two-step transcription amplification sequence and/or a post-transcriptional control sequence. In more particular embodiments, these polynucleotides are administered in combination with liposomes. | 07-30-2009 |
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| 20140009078 | SYSTEMS AND METHODS FOR LOW-POWER LAMP COMPATIBILITY WITH A TRAILING-EDGE DIMMER AND AN ELECTRONIC TRANSFORMER - In accordance with these and other embodiments of the present disclosure, a system and method for providing compatibility between a load and a secondary winding of an electronic transformer driven by a trailing-edge dimmer may include predicting based on an electronic transformer secondary signal an estimated occurrence of a high-resistance state of the trailing-edge dimmer, wherein the high-resistance state occurs when the trailing-edge dimmer begins phase-cutting an alternating current voltage signal and operating the load in a high-current mode for a period of time immediately prior to the estimated occurrence of the high-resistance state. | 01-09-2014 |
| 20140009079 | SYSTEMS AND METHODS FOR LOW-POWER LAMP COMPATIBILITY WITH A LEADING-EDGE DIMMER AND A MAGNETIC TRANSFORMER - A system and method for providing compatibility between a load and a secondary winding of a magnetic transformer driven at its primary winding by a trailing-edge dimmer may include determining from a magnetic transformer secondary signal a period of a half-line cycle of an output signal of the dimmer, determining from the magnetic transformer secondary signal an estimated occurrence of an end of a phase-cut angle of the dimmer, and generating a driving signal to the load based on the period and the estimated occurrence of the end of the phase-cut angle. A lamp assembly may include a lamp for generating light and a controller for controlling operation of the lamp, the controller comprising a timing control circuit for determining a period of a periodic signal received by the lamp assembly. | 01-09-2014 |
| 20140028214 | SYSTEMS AND METHODS FOR LOW-POWER LAMP COMPATIBILITY WITH A TRAILING-EDGE DIMMER AND AN ELECTRONIC TRANSFORMER - A controller may be configured to: (i) predict based on an electronic transformer secondary signal an estimated occurrence of a high-resistance state of a trailing-edge dimmer coupled to a primary winding of an electronic transformer, wherein the high-resistance state occurs when the trailing-edge dimmer begins phase-cutting an alternating current voltage signal; (ii) operate a power converter in a trailing-edge exposure mode for a first period of time immediately prior to the estimated occurrence of the high-resistance state, such that the power converter is enabled to transfer energy from the secondary winding to the load during the trailing-edge exposure mode; and (iii) operate the power converter in a power mode for a second period of time prior to and non-contiguous with the first period of time, such that the power converter is enabled to transfer energy from the secondary winding to the load during the power mode. | 01-30-2014 |
| 20140252981 | Utilizing Secondary-Side Conduction Time Parameters of a Switching Power Converter to Provide Energy to a Load - A power distribution system includes controller of a switching power converter to control the switching power converter and determine one or more switching power converter control parameters. In at least one embodiment, the switching power converter utilizes a transformer to transfer energy from a primary-side of the transformer to a secondary-side of the transformer. In at least one embodiment, the switching power converter control parameters includes a secondary-side conduction time delay that represents a time delay between when the primary-side ceases conducting a primary-side current and the secondary-side begins to conduct a secondary-side current. In at least one embodiment, determining and accounting for this secondary-side conduction time delay increases the prediction accuracy of the secondary-side current value and accurate delivery of energy to a load when the controller does not directly sense the secondary-side current provided to the load. | 09-11-2014 |
| 20150340956 | Utilizing Secondary-Side Conduction Time Parameters of a Switching Power Converter to Provide Energy to a Load - A power distribution system includes controller of a switching power converter to control the switching power converter and determine one or more switching power converter control parameters. In at least one embodiment, the switching power converter utilizes a transformer to transfer energy from a primary-side of the transformer to a secondary-side of the transformer. In at least one embodiment, the switching power converter control parameters includes a secondary-side conduction time delay that represents a time delay between when the primary-side ceases conducting a primary-side current and the secondary-side begins to conduct a secondary-side current. In at least one embodiment, determining and accounting for this secondary-side conduction time delay increases the prediction accuracy of the secondary-side current value and accurate delivery of energy to a load when the controller does not directly sense the secondary-side current provided to the load. | 11-26-2015 |
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| 20090087613 | Cordierite honeycomb article and method of manufacture - Disclosed are ceramic honeycomb articles which are composed predominately of a crystalline phase cordierite composition. The porous cordierite ceramic honeycomb articles has a plurality of cell channels and intersecting porous walls and possess a microstructure characterized by a pore size distribution wherein greater than or equal to 75% of the pore size distribution of the porosity of the porous walls, by volume, have a pore diameter (d | 04-02-2009 |
| 20090288820 | Method Of Manufacture And The Use Of A Functional Proppant For Determination Of Subterranean Fracture Geometries - Proppants having added functional properties are provided, as are methods that use the proppants to track and trace the characteristics of a fracture in a geologic formation. Information obtained by the methods can be used to design a fracturing job, to increase conductivity in the fracture, and to enhance oil and gas recovery from the geologic formation. The functionalized proppants can be detected by a variety of methods utilizing, for example, an airborne magnetometer survey, ground penetrating radar, a high resolution accelerometer, a geophone, nuclear magnetic resonance, ultra-sound, impedance measurements, piezoelectric activity, radioactivity, and the like. Methods of mapping a subterranean formation are also provided and use the functionalized proppants to detect characteristics of the formation. | 11-26-2009 |
| 20100129599 | LOW THERMAL MASS CORDIERITE BODIES AND METHODS FOR MAKING SAME - Disclosed are cordierite bodies having relatively low thermal mass with good mechanical strength. The porous cordierite bodies generally include a primary cordierite ceramic phase as defined herein. Also disclosed are methods for making and using the cordierite bodies. | 05-27-2010 |
| 20100129600 | CORDIERITE FORMING BATCH COMPOSITIONS AND CORDIERITE BODIES MANUFACTURED THEREFROM - Disclosed are cordierite bodies having relatively high porosity and controlled pore size. The porous cordierite bodies generally include a primary cordierite ceramic phase as defined herein. Also disclosed are methods for making and using the cordierite bodies. | 05-27-2010 |
| 20100298131 | Catalyst For Hydrogen Production By Autothermal Reforming, Method Of Making Same And Use Thereof - Provided in the present invention is a catalyst for an ATR (autothermal reforming) process of hydrogen production, as well as the methods to prepare and use it. The catalyst comprises a precious metal of the platinum family (e.g., Pt, Pd, Ru, Rh, Ir) and combinations and mixtures thereof as the active component, an alkali metal oxide and/or alkaline metal oxide as the first additive, and a CeO | 11-25-2010 |
| 20130092964 | HIGHLY RELIABLE PHOTOLUMINESCENT MATERIALS HAVING A THICK AND UNIFORM TITANIUM DIOXIDE COATING - Described herein are coated photoluminescent materials and methods for preparing such coated photoluminescent materials. More particularly, provided herein are phosphors coated with titanium dioxide, methods for preparing phosphors coated with titanium dioxide, and solid-state light emitting devices which include phosphors coated with titanium dioxide. | 04-18-2013 |
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| 20110146985 | Proppant Having A Glass-Ceramic Material - The present invention relates to glass-ceramic proppants which can be used to prop open subterranean formation fractions, as well as other uses. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the glass-ceramic proppants. | 06-23-2011 |
| 20110160104 | Ceramic Particles With Controlled Pore and/or Microsphere Placement and/or Size and Method Of Making Same - The present invention relates to lightweight high strength microsphere containing ceramic particles having controlled microsphere placement and/or size and microsphere morphology, which produces an improved balance of specific gravity and crush strength such that they can be used in applications such as proppants to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more microsphere containing ceramic particles of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the microsphere containing ceramic particles of the present invention are further disclosed, as well as methods of making the microsphere containing ceramic particles. | 06-30-2011 |
| 20120157358 | Self-Toughened High-Strength Proppant and Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The present invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 06-21-2012 |
| 20120190597 | Extrusion Process For Proppant Production - An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants. | 07-26-2012 |
| 20130206408 | Light Weight Proppant With Improved Strength And Methods Of Making Same - Methods are described to make strong, tough, and/or lightweight glass-ceramic composites having a crystalline phase and an amorphous phase generated by viscous reaction sintering of a complex mixture of oxides and other materials. The present invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 08-15-2013 |
| 20130244914 | Light Weight Proppant With Improved Strength And Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 09-19-2013 |
| 20140249058 | Ceramic Particles With Controlled Pore And/Or Microsphere Placement And/Or Size And Method Of Making Same - The present invention relates to lightweight high strength microsphere containing ceramic particles having controlled microsphere placement and/or size and microsphere morphology, which produces an improved balance of specific gravity and crush strength such that they can be used in applications such as proppants to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more microsphere containing ceramic particles of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the microsphere containing ceramic particles of the present invention are further disclosed, as well as methods of making the microsphere containing ceramic particles. | 09-04-2014 |
| 20150368548 | Light Weight Proppant With Improved Strength And Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 12-24-2015 |
| 20160083645 | Extrusion Process for Proppant Production - An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants. | 03-24-2016 |
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| 20130127332 | Coatings for Photoluminescent Materials - The teachings are generally directed to phosphors having combination coatings with multifunctional characteristics that increase the performance and/or reliability of the phosphor. The teachings include highly reliable phosphors having coatings that contain more than one inorganic component, more than one layer, more than one thicknesses, more than one combination of layers or thicknesses, a gradient-interface between components, a primer thickness or layer to inhibit or prevent leaching of phosphor components into the coatings, a sealant layer to inhibit or prevent entry of moisture or oxygen from the environment, a mixed composition layer as a sealant and multifunctional combination coatings. | 05-23-2013 |
| 20130140491 | Green to Yellow Light-Emitting Aluminate Phosphors - A green and yellow emitting lutetium aluminate based photoluminescent material having the formula (Lu | 06-06-2013 |
| 20150284628 | Coatings for Photoluminescent Materials - The teachings are generally directed to phosphors having combination coatings with multifunctional characteristics that increase the performance and/or reliability of the phosphor. The teachings include highly reliable phosphors having coatings that contain more than one inorganic component, more than one layer, more than one thicknesses, more than one combination of layers or thicknesses, a gradient-interface between components, a primer thickness or layer to inhibit or prevent leaching of phosphor components into the coatings, a sealant layer to inhibit or prevent entry of moisture or oxygen from the environment, a mixed composition layer as a sealant and multifunctional combination coatings. | 10-08-2015 |
