Class 502/234 - Coprecipitating

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Process which includes the simultaneous precipitation of
No. of patents: 65
Last issue date: 01/19/2010

«First «Previous1 2 Next»Last»

Number	Title	Issue Date
7648939	Hydrocracking catalyst composition The invention provides an unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, one or more zeolites, and, optionally, a refractory oxide material. A (co)precipitation preparation process is described and also ...	01/19/2010
7427579	Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst The present invention relates to a hydrogenation catalyst represented by the following formula 1, a method for the preparation thereof, and a method for preparing gamma-butyrolactone using this catalyst. The method for preparing gamma-butyrolactone from maleic anhyd...	09/23/2008
7361625	Photocatalyst producing method, photocatalyst, and gas purifier A carrier supporting titania thereon is further caused to carry a metal compound thereon. This metal compound is hydrogen reduced in a heating atmosphere at a first treatment temperature, then oxidized in a heating atmosphere at a second treatment temperature not hi...	04/22/2008
7249723	Organic solvent dispersed nano-talc slurry The invention provides high surface area talc compositions by a novel hybrid milling method or soaking method. The hybrid milling method comprises dry milling talc powder followed by mixing with water and wet milling to provide a nano-talc slurry with high surface a...	07/31/2007
7247259	Processes for making aerogel-electrolyte-metal composites A process for making an aerogel-electrolyte-metal composite includes contacting an aerogel with an electrolyte to form an aerogel-electrolyte composite; contacting the aerogel-electrolyte composite with a metal precursor to form an aerogel-electrolyte-precursor comp...	07/24/2007
7135429	Attrition resistant carrier product The present invention is directed to an attrition resistant carrier product such as silica. Further, this invention is directed to the use of a binder to improve the attrition resistance or reduce the friability of a carrier product such as silica. In an embodiment,...	11/14/2006
7045106	Method for producing inorganic porous material A process for producing an inorganic porous material, comprising the steps of preparing an aqueous medium solution containing water-glass as a silica source, a water-soluble polymer and an acid, causing phase separation and gelation in the solution at the same time ...	05/16/2006
6956006	Modified titanium dioxide and a method for its preparation The invention relates to a composite material comprising silicon and titanium dioxide characterized by an enhanced thermal and hydrothermal stability of the pore structure. The composite is obtainable by precipitating titanium hydroxide from an aqueous solution cont...	10/18/2005
6903240	Process for manufacturing a silicoalumino-phosphate molecular sieve Small particle size SAPO-34 is obtained by using a tetraalkyl orthosilicate as the silicon source. ...	06/07/2005
6716938	Polymerization catalyst systems, methods of making and uses therefor A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with MWD's that promote good properties particularly in HMW film applicatio...	04/06/2004
6686310	High surface area sol-gel route prepared hydrogenation catalysts This invention concerns novel compositions, useful as hydrogenation catalyst, said compositions comprising metals and metal ions such as ruthenium (Ru) or palladium (Pd) dispersed in and distributed throughout a matrix comprising an inorganic or silicon o...	02/03/2004
6670302	High pore volume polyolefin catalyst High melt index polyolefins have been obtained with chromium silica catalysts under conventional polymerization conditions without the use of titanium or other additives. The useful chromium silica catalysts have a pore volume in the range of 1.9-2.9 cc/g...	12/30/2003
6538077	Polymerization catalyst systems, methods of making and uses therefor A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with MWD's that promote good properties particularly in HMW film...	03/25/2003
6537442	Cogel containing oxidic compounds of tetravalent, trivalent, and divalent metallic elements The invention pertains to a cogel comprising oxidic compounds of one or more trivalent metallic elements selected from the group of aluminum, borium, gallium, chromium, iron, cobalt, manganese, vanadium, molybdenum, tungsten, indium, rhodium, scandium, or...	03/25/2003
6521808	Preparation and use of a catalyst for the oxidative dehydrogenation of lower alkanes The present invention includes a sol-gel supported catalyst for the dehydrogenation of lower alkanes, the catalyst comprising at least one active metal and at least one promoter metal attached to a sol-gel mixed oxide support. The sol-gel mixed oxide supp...	02/18/2003
6495487	Selective bifunctional multimetallic reforming catalyst A novel catalyst and the use thereof in a reforming process is disclosed. The catalyst comprises a refractory inorganic oxide, platinum-group metal, Group IVA(IUPAC 14) metal, indium and lanthanide-series metal. Utilization of this catalyst in the convers...	12/17/2002
6479427	Silico-titanates and their methods of making and using Noval silico-titanates and the methods of making and using the said titanates are disclosed. Nb-doped silico-titanates are particularly useful for selectively removing cesuim from radioactive wastes....	11/12/2002
6413903	High surface area sol-gel route prepared oxidation catalysts This invention relates to catalysts useful in the vapor phase oxidation of hydrocarbons, such as 1,3-butadiene to furan and maleic anhydride. The catalysts comprise vanadium oxides, vanadium phosphorus oxides or vanadium antimony oxides incorporated in a ...	07/02/2002
6376421	Ion exchanged aluminum-magnesium silicate or fluorinated magnesium silicate aerogels and catalyst supports therefrom Aluminum-magnesium silicate- or fluorinated magnesium silicate- aerogels which may be calcined, chemically modified, ion-exchanged, agglomerated, used as a component of a catalyst composition for an addition polymerization; supported versions thereof; and...	04/23/2002
6372685	Powders of silica-oxide and mixed silica-oxide and method of preparing same Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes....	04/16/2002
6350715	Preparation of an activated catalyst using an inert gas in the absence of hydrogen The invention pertains to a process for preparing an activated catalyst, to the activated catalyst composition and the use thereof in the conversion of hydrocarbon feedstocks, such as isomerisation. The catalyst composition comprising a Group VIII noble m...	02/26/2002
6323147	Titanium-containing silicon oxide catalyst A titanium-containing silicon oxide catalyst satisfying all of the following conditions (1) to (4): (1): an average pore size of 10 Å or more, (2): a pore size of 90% or more of the total pore volume of 5 to 200 Å, (3): a specific pore volume of 0.2 cm3	11/27/2001
6291392	Catalysts containing a platinum group metal and produced in a sol-gel method, as well as a method for producing diarylcarbonates Described is a process for preparing an aromatic carbonate, e.g., diphenyhl carbonate, in which an aromatic hydroxy compound, e.g., phenol, is reacted with carbon monoxide and oxygen in the resence of a supported catalst prepared by a sol-gel process, a q...	09/18/2001
6235677	Fischer-Tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids A process is disclosed for producing hydrocarbons by contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stream comprising hydro...	05/22/2001
6228797	Oligomerization catalyst system and method of making and method of using such catalyst system in the oligomerization of olefins A method of preparing a catalyst system which comprises mixing a first solid material comprising at least one perfluoroalkylsulfonic acid salt with a second solid material comprising at least one silanol comprising hydroxy groups and silicon to form a gel...	05/08/2001
6204346	Polymerization process Polymerization processes for ethylene and at least one mono-1-olefin comonomer having from about three to eight carbon atoms per molecule in the presence of a twice-aged catalyst system comprising chromium supported on a silica-titania support and a trial...	03/20/2001
6201077	Process that produces polymers A process comprising polymerizing ethylene, or polymerizing ethylene and at least one other olefin, to produce a polymer is provided....	03/13/2001
6121187	Amorphous, microporous mixed oxide catalysts with controlled surface polarity for selective heterogeneous catalysis, adsorption and material separation The present invention relates to amorphous microporous mixed oxides, characterized by having, in dried form, a narrow pore size distribution (half width	09/19/2000
6107236	Powders of silica-oxide and mixed silica-oxide and method of preparing same Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes....	08/22/2000
6096674	Heat-resistant HC adsorbent An HC adsorbent has an MFI-type metallo-silicate including at least one of gallium and indium as a framework forming element, and aluminum (Al) in the MFI-type metallo-silicate in a content of Alࣘ0.05% by weight. Such an HC adsorbent has an excellent he...	08/01/2000
5968869	Vinyl acetate catalyst comprising palladium and gold deposited on a copper containing carrier A catalyst for the production of vinyl acetate by reaction of ethylene, oxygen and acetic acid comprising a porous support on the porous surfaces of which is deposited metallic copper in a zone surrounded by deposits of catalytically effective amounts of ...	10/19/1999
5916837	Porous microcomposite of metal cation exchanged perfluorinated ion-exchanged polymer and network of metal oxide, silica or metal oxide and silica Porous microcomposites comprising a perfluorinated ion-exchange polymer (PFIEP) containing pendant metal cation exchanged sulfonate groups, metal cation exchanged carboxylate groups, or metal cation exchanged sulfonate and carboxylate groups, wherein the ...	06/29/1999
5895770	Olefin polymerization catalysts with specific silica supports A transition metal containing catalyst having a silica-support is provided for the production of polyolefins from ଱-olefins that can be converted to polymer films, preferably thin films of polyolefin, which have lower defects resulting from a decrea...	04/20/1999
5824622	Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process Porous microcomposites comprising a perfluorinated ion-exchange polymer (PFIEP) containing pendant sulfonic acid and/or carboxylic acid groups entrapped within and highly dispersed throughout a network of metal oxide, a network of silica, or a network of ...	10/20/1998
5789336	Micro-mesoporous gel and process for its preparation Micro-mesoporous gel consisting of a silica matrix possibly wherein one or more metal oxides selected from transition metals or metals belonging to groups IIIA, IVA and VA are uniformly dispersed, characterized by a monomodal porosity distribution....	08/04/1998
5576262	Glycol ether compounds for the production of polyolefin catalysts and supports A method of making chromium containing oxide gel-based catalyst wherein an oxide hydrogel is convened to a xerogel by azeotropic distillation of a mixture of said hydrogel and an organic solvent, the improvement comprising impregnating the gel with a chro...	11/19/1996
5538931	Transition metal aerogel-supported catalyst A process for preparing a supported catalyst comprising a transition metal selected from palladium, platinum, nickel, cobalt or copper on an aerogel support, which includes the steps of providing a mixture containing an alkoxide precursor of the aerogel, ...	07/23/1996
5492877	Supported metal catalyst for hydrogenating organic compounds and process for preparing it A supported metal catalyst for the hydrogenation of oils and fats is obtained by causing a porous carriers to interact with an Ni and Cu containing solution in a molar ratio of Ni/Cu comprised within the range of from 1 to 8, and subsequently treating the...	02/20/1996
5466646	Process for the preparation of solid state materials and said materials A process for the preparation of solid state materials such as catalysts, electrolytes, piezo electric materials and superconductors is disclosed. The process produces materials with high phase purity. Novel solid state materials having high phase purity ...	11/14/1995
5434118	Catalytically active gel and a process for its preparation A catalytically active gel product is described consisting of a silica matrix which is amorphous to x-rays with uniform porosity, monomodal pore distribution and high surface area, within which one or more metal oxides possessing catalytic activity are di...	07/18/1995

«First «Previous1 2 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Class 502/234 - Coprecipitating