Patent application number | Description | Published |
20080314445 | METHOD FOR THE PREPARATION OF HIGH PURITY SILICON - A method of forming high-purity elemental silicon is disclosed. The method includes the step of heating a silica gel composition, or an intermediate composition derived from a silica gel composition, wherein the silica gel composition or intermediate composition includes at least about 5% by weight carbon, and the heating temperature is above about 1550° C. The heating step results in the production of a product which includes elemental silicon. Another aspect of the invention relates to a method for making a photovoltaic cell. The method includes the step of forming a semiconductor substrate from elemental silicon prepared as described in this disclosure. Additional steps are then undertaken to fabricate the photovoltaic device. | 12-25-2008 |
20080314446 | PROCESSES FOR THE PREPARATION OF SOLAR-GRADE SILICON AND PHOTOVOLTAIC CELLS - A process for the manufacture of high-purity elemental silicon is described. The process includes the step of preparing a silica gel composition by reacting at least one organosilane compound with an aqueous composition, so as to form granules of the silica gel. A hydrocarbon species is then decomposed by way of a hydrocarbon cracking reaction in the presence of the silica gel composition, so that carbon resulting from the decomposition of the hydrocarbon species is deposited on the granules of the gel composition. Heating of the carbon-containing silica gel composition to an elevated temperature produces the elemental silicon product. Related methods for making photovoltaic cells, using the elemental silicon, are also described. | 12-25-2008 |
20090074641 | CATALYST AND METHOD OF MANUFACTURE - A catalyst composition is provided that includes a catalytic metal secured to a substrate, and the substrate is mesoporous and has pores that are templated. A catalyst composition includes a catalytic metal secured to a mesoporous substrate. The mesoporous substrate is a reaction product of a reactive solution, a solvent, a modifier, and a templating agent. A method includes reacting a reactive solution and a templating agent to form a gel; and calcining the gel to form a substrate having a mesoporous template that is capable to support a catalyst composition. | 03-19-2009 |
20090156783 | EMISSIVE POLYMERIC MATERIALS FOR OPTOELECTRONIC DEVICES - Polymers including at least one structural unit derived from a compound of formula I or including at least one pendant group of formula II may be used in optoelectronic devices | 06-18-2009 |
20090275463 | METHOD OF MAKING A CATALYST WASHCOAT - A method for making a catalyst includes providing a sol that sol includes a catalyst and a catalyst substrate; drying the sol via freeze-drying, spray drying, freeze granulation, or supercritical fluid drying to form a powder; mixing the powder with a solvent to form a slurry; and washcoating the slurry onto a catalyst support. Another method for making a catalyst includes providing a sol, wherein the sol includes a catalyst substrate; drying the sol via freeze-drying, spray drying, freeze granulation, or supercritical fluid drying to form a powder; mixing the powder with a solvent to form a slurry; washcoating the slurry onto a catalyst support; and depositing a catalyst onto the catalyst substrate. | 11-05-2009 |
20090302280 | COMPOSITION AND ASSOCIATED METHOD - A composition includes a metal precursor. The metal precursor may include an inorganic ligand and a metal cation. The inorganic ligand may include a carbamate group. An associated method is provided. | 12-10-2009 |
20100144976 | FUNCTIONALIZED POLYFLUORENES FOR USE IN OPTOELECTRONIC DEVICES - The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I | 06-10-2010 |
20100144992 | FUNCTIONALIZED POLYFLUORENES FOR USE IN OPTOELECTRONIC DEVICES - The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I | 06-10-2010 |
20100154639 | LIQUID CARBON DIOXIDE ABSORBENT AND METHODS OF USING THE SAME - A carbon dioxide absorbent comprising (i) a liquid, nonaqueous silicon-based material, functionalized with one or more groups that either reversibly react with CO | 06-24-2010 |
20100158777 | CARBON DIOXIDE ABSORBENT AND METHOD OF USING THE SAME - In accordance with one aspect, the present invention provides an amino-siloxane composition comprising at least one of structures I, II, III, IV or V said compositions being useful for the capture of carbon dioxide from gas streams such as power plant flue gases. In addition, the present invention provides methods of preparing the amino-siloxane compositions are provided. Also provided are methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention as species which react with carbon dioxide to form an adduct with carbon dioxide. The reaction of the amino-siloxane compositions provided by the present invention with carbon dioxide is reversible and thus, the method provides for multicycle use of said compositions. | 06-24-2010 |
20100196236 | TEMPLATED CATALYST COMPOSITION AND ASSOCIATED METHOD - A composition includes a templated metal oxide substrate having a plurality of pores and a catalyst material includes silver. The composition under H | 08-05-2010 |
20100196237 | TEMPLATED CATALYST COMPOSITION AND ASSOCIATED METHOD - A composition includes a templated metal oxide, at least 3 weight percent of silver, and at least one catalytic metal. A method of making and a method of using are included. | 08-05-2010 |
20100230829 | ORGANIC LIGHT EMITTING DEVICES HAVING LATENT ACTIVATED LAYERS AND METHODS OF FABRICATING THE SAME - An organic light emitting device with a latent activator material is presented. An organic light emitting device including activation products of a latent activator material is also presented. Embodiments of patterned organic light emitting devices are also contemplated wherein patterning can occur prior or post fabrication of the devices. A method of fabricating an organic light emitting device with a latent activator material or with activation products of an activator material is also provided. | 09-16-2010 |
20100233053 | CATALYST AND METHOD OF MANUFACTURE - A method is provided. The method comprises reacting a reactive solution and a templating agent to form a gel; and calcining the gel to form a catalyst composition comprising homogeneous solid mixture. The homogenous solid mixture contains (i) at least one catalytic metal and (ii) at least one metal inorganic network. The templating agent comprises an octylphenol ethoxylate having a structure [I]: | 09-16-2010 |
20110047988 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising a first catalytic material disposed on a metal inorganic support; wherein the metal inorganic support has pores; and at least one promoting metal. The catalyst system further comprises a second catalytic composition comprising, (i) a zeolite, or (ii) a first catalytic material disposed on a first substrate, the first catalytic material comprising an element selected from the group consisting of tungsten, titanium, and vanadium. The catalyst system may further comprise a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. A catalyst system comprising a first catalytic composition, the second catalytic composition, and the third catalytic composition is also provided. An exhaust system comprising the catalyst systems described herein is also provided. | 03-03-2011 |
20110047995 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising, (i) a first component comprising a zeolite, and (ii) a second component comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic network; wherein the pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers; wherein the first component and the second component form an intimate mixture. The catalyst system may further comprise a second catalytic composition and a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. An exhaust system comprising the catalyst systems described herein is also provided. | 03-03-2011 |
20110120100 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic support. The pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers. The catalytic metal comprises nanocrystals. | 05-26-2011 |
20110166015 | PROCESS FOR PREPARING CATALYST POWDER - The present invention details a process for producing a catalyst powder. The steps of the process include preparing catalyst slurry, drying, pyrolyzing, and calcining the catalyst slurry to obtain a calcined catalyst powder. The catalyst slurry comprises a catalyst, a liquid carrier, a templating agent, and a catalyst substrate. The catalyst slurry is dried to obtain a raw catalyst powder. The raw catalyst powder is heated in a first controlled atmosphere to obtain a pyrolyzed catalyst powder and the pyrolyzed catalyst powder is calcined in a second controlled atmosphere to obtain a calcined catalyst powder. A method of fabricating a catalyst surface and catalytic converter using the prepared catalyst powder is also illustrated. | 07-07-2011 |
20110203928 | SILICA REMEDIATION IN WATER - Water treatment methods for reducing silica concentration in water containing at least 100 ppm dissolved or suspended silica include contacting the water with particles comprising mesoporous alumina having surface area ranging from about 250 m2/g to about 600 m | 08-25-2011 |
20110209459 | System and Method for Controlling Nitrous Oxide Emissions of an Internal Combustion Engine and Regeneration of an Exhaust Treatment Device - A catalyst composition is provided that includes a catalytic metal secured to a substrate, and the substrate is mesoporous and has pores that are templated. A catalyst composition includes a catalytic metal secured to a mesoporous substrate. The mesoporous substrate is a reaction product of a reactive solution, a solvent, a modifier, and a templating agent. A method for controlling nitrous oxide emissions including the catalyst composition comprising introducing a regeneration fuel into an exhaust stream upstream relative to the catalyst composition and heating the exhaust stream upstream relative to the catalyst composition. When the regeneration fuel is introduced the air λ of an air/fuel mixture of a lean burn exhaust does not exceed 1. | 09-01-2011 |
20110209466 | CATALYST COMPOSITION AND CATALYTIC REDUCTION SYSTEM COMPRISING YTTRIUM - A catalyst composition, a catalytic reduction system including the catalyst composition and a system using the catalytic reduction system are provided. The catalyst composition includes a templated metal oxide substrate and a catalyst material. The templated metal oxide substrate comprises yttrium and has a plurality of pores. Yttrium is present in an amount from about 0.05 mol percent to about 3 mol percent of the substrate. The catalyst material includes a catalyst metal disposed on the templated metal oxide substrate. | 09-01-2011 |
20110239622 | EMISSION TREATMENT SYSTEM AND METHOD OF OPERATION - An emission treatment system is provided. The emission treatment system comprises a separation system and a selective catalytic reduction (SCR) catalyst. The separation system comprises a separator, a fuel inlet disposed to supply fuel to the separator, a first fuel outlet and a second fuel outlet respectively disposed to carry away fuel from the separator. The SCR catalyst comprises a catalyst composition comprising silver and templated metal oxide substrate. The emission treatment system is designed such that the separation system is configured to be in fluid communication with the SCR catalyst through the first fuel outlet during operation. A system including the emission treatment system and a combustion engine is also provided. Method of increasing NOx reduction efficiency of the SCR catalyst using fuel fraction is discussed. | 10-06-2011 |
20120082606 | CATALYST AND METHOD OF MANUFACTURE - According to various embodiments, a catalyst composition includes a catalytic metal secured to a porous substrate. The substrate has pores that are templated. The substrate is a product of adding a substrate precursor to a water-in-oil microemulsion including a catalytic metal salt, a solvent, a templating agent, and water. | 04-05-2012 |
20120093703 | CATALYST AND METHOD OF MANUFACTURE - A catalyst composition includes a catalytic metal secured to a porous substrate. The substrate has pores that are templated. The catalyst composition is prepared by a process that includes the steps of mixing a catalytic metal salt, a templating agent, and water to form a mixture, adding a substrate precursor to the mixture to form a slurry, and calcining the slurry to form a substrate having a porous template that is capable of supporting the catalyst composition. | 04-19-2012 |
20120152851 | POLYMER AND METHODS FOR PREPARING AND USING THE SAME - The invention relates to a polymer comprising structural units of formula | 06-21-2012 |
20120171095 | LIQUID CARBON DIOXIDE ABSORBENTS, METHODS OF USING THE SAME, AND RELATED SYSTEMS - A carbon dioxide absorbent composition is described, including (i) a liquid, nonaqueous silicon-based material, functionalized with one or more groups that either reversibly react with CO | 07-05-2012 |
20120329644 | CATALYST COMPOSITION AND CATALYTIC REDUCTION SYSTEM - A catalyst composition, a method of preparation of catalyst composition, a catalytic reduction system including the catalyst composition and a system using the catalytic reduction system are provided. The catalyst composition includes a templated amorphous metal oxide substrate, a catalyst material, and a sulfur scavenger material. The catalyst material includes a catalyst metal disposed on the templated metal oxide substrate and the sulfur scavenger includes an alkali metal. | 12-27-2012 |
20130129575 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising a first catalytic material disposed on a metal inorganic support; wherein the metal inorganic support has pores; and at least one promoting metal. The catalyst system further comprises a second catalytic composition comprising, (i) a zeolite, or (ii) a first catalytic material disposed on a first substrate, the first catalytic material comprising an element selected from the group consisting of tungsten, titanium, and vanadium. The catalyst system may further comprise a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. A catalyst system comprising a first catalytic composition, the second catalytic composition, and the third catalytic composition is also provided. An exhaust system comprising the catalyst systems described herein is also provided. | 05-23-2013 |
20130180927 | FORMALDEHYDE-FREE LIGNIN-AMINE COAGULANTS - A method for making lignin-amines is provided. The method comprises providing a lignin; then modifying the lignin with modifier to create a modified lignin; and then reacting the modified lignin with an amine to form a lignin-amine. Suitable modifiers comprise acrylates. A method for coagulating suspended materials in a water stream is also disclosed. The method comprises providing a water stream and contacting the suspended materials in the water stream with at least one lignin-amine. | 07-18-2013 |
20130303365 | CATALYST AND METHOD OF MANUFACTURE - A catalyst system comprising a first catalytic composition comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic support. The pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers. The catalytic metal comprises nanocrystals. | 11-14-2013 |
20140179854 | POLYMER AND METHOD FOR USING THE SAME - The invention relates to a polymer derived from: reaction of glycidyl (meth)acrylate, allyl glycidyl ether or [(vinyloxy)methyl]oxirane with ammonia or primary amine to obtain a mixture of monomer compounds; reaction of the mixture of monomer compounds with at least one of acrylic acid, vinyl alcohol, vinyl acetate, acrylamide, methylacrylic acid, and methylacrylamide to obtain an intermediate polymer; and reaction of the intermediate polymer with a dithiocarbamic acid salt. Methods for using the polymer are also described herein. | 06-26-2014 |
20140199222 | TEMPLATED CATALYST COMPOSITION AND ASSOCIATED METHOD - A composition includes a templated metal oxide substrate having a plurality of pores and a catalyst material includes silver. The composition under H | 07-17-2014 |
20140199223 | TEMPLATED CATALYST COMPOSITION AND ASSOCIATED METHOD - A composition includes a templated metal oxide, at least 3 weight percent of silver, and at least one catalytic metal. A method of making and a method of using are included. | 07-17-2014 |
20140294710 | Method For Preparing A Catalyst Composition Suitable For Removing Sulfur From A Catalytic Reduction System - A method of preparing a catalyst composition suitable for removing sulfur from a catalytic reduction system and the catalyst composition prepared by the method are provided. The method of preparation of a catalyst composition, comprises: combining a metal oxide precursor, a catalyst metal precursor and an alkali metal precursor in the presence of a templating agent; hydrolyzing and condensing to form an intermediate product that comprises metal oxide, alkali metal oxide, and catalyst metal; and calcining to form a templated amorphous metal oxide substrate having a plurality of pores wherein the alkali metal oxide and catalyst metal are dispersed in an intermixed form in the metal oxide substrate. | 10-02-2014 |
20140378296 | Manufacture of Catalyst Compositions and Systems - A method of producing a catalyst composition is provided, the method comprising mixing (i) a first component comprising a zeolite, and (ii) a second component comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic support, wherein the first component and the second component form an intimate mixture, and wherein the homogeneous solid mixture is produced by mixing a reactive solution comprising a precursor of the metal inorganic support and a templating agent with a precursor of the catalyst metal, and calcining the mixture to form the homogeneous solid mixture. The templating agent affects one or more of pore size, pore distribution, pore spacing, or pore dispersity of the metal inorganic support. The pores of the solid mixture produced after calcination may have an average diameter in a range of about 1 nanometer to about 15 nanometers. | 12-25-2014 |
20150023863 | MATERIAL AND EXHAUST GAS SYSTEM AND METHOD FOR USING THE SAME - A material is described of formula Na | 01-22-2015 |
20150027949 | METHOD AND FILTER FOR REMOVING NITRATE IONS - A method for removing nitrate ions from a solution is presented. The method includes providing a polymer comprising a protonated amine moiety and an anion derived from an acid having a pKa value greater than about 1. The method further includes contacting the polymer with the solution to bind at least a portion of the nitrate ions in the solution with the polymer, and form a polymer-nitrate complex. The method furthermore includes separating at least a portion of the polymer-nitrate complex from the solution. | 01-29-2015 |
20150037140 | THERMAL ACTUATOR INCLUDING FLUID WITH HIGH TEMPERATURE STABILITY - A thermal actuator is provided and includes an expansion material disposed and configured to move a movable element from a first movable element position toward a second movable element position in accordance with an expansion condition of the expansion material. The expansion material includes an inorganic salt mixture or a metal oxide mixture. | 02-05-2015 |