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Class Information
Number: 502/234
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Silicon containing or process of making > Forming silica gel > Coprecipitating
Description: Process which includes the simultaneous precipitation of another material with the precipitation of the silica gel.










Sub-classes under this class:

Class Number Class Name Patents
502/235 Group iii or rare earth metal, metal oxide, or metal hydroxide containing (i.e., sc, y, al, ga, in, tl or lanthanide) 111
502/236 Group iv metal, metal oxide, or metal hydroxide, (i.e., ti, zr, hf, ge, sn or pb) 89


Patents under this class:
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Patent Number Title Of Patent Date Issued
8647599 Process for producing a thermostable TiO.sub.2/SiO.sub.2 mixed oxide and mixed oxide produced therefrom Feb. 11, 2014
8642499 Catalytic cracking catalyst compositions having improved bottoms conversion Feb. 4, 2014
8222470 Process for oligomerizing olefins using a catalyst based on silica-alumina Jul. 17, 2012
8080224 Catalyst for the conversion of carbon monoxide Dec. 20, 2011
7959728 Mesoporous silica particles and production process thereof Jun. 14, 2011
7700515 Amorphous silica-alumina composition and method of making and using such composition Apr. 20, 2010
7648939 Hydrocracking catalyst composition Jan. 19, 2010
7598201 Process for preparing a support for olefin polymerization catalysts Oct. 6, 2009
7427579 Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst Sep. 23, 2008
7135429 Attrition resistant carrier product Nov. 14, 2006
7045106 Method for producing inorganic porous material May. 16, 2006
6956006 Modified titanium dioxide and a method for its preparation Oct. 18, 2005
6716938 Polymerization catalyst systems, methods of making and uses therefor Apr. 6, 2004
6686310 High surface area sol-gel route prepared hydrogenation catalysts Feb. 3, 2004
6670302 High pore volume polyolefin catalyst Dec. 30, 2003
6537442 Cogel containing oxidic compounds of tetravalent, trivalent, and divalent metallic elements Mar. 25, 2003
6538077 Polymerization catalyst systems, methods of making and uses therefor Mar. 25, 2003
6521808 Preparation and use of a catalyst for the oxidative dehydrogenation of lower alkanes Feb. 18, 2003
6495487 Selective bifunctional multimetallic reforming catalyst Dec. 17, 2002
6479427 Silico-titanates and their methods of making and using Nov. 12, 2002
6413903 High surface area sol-gel route prepared oxidation catalysts Jul. 2, 2002
6376421 Ion exchanged aluminum-magnesium silicate or fluorinated magnesium silicate aerogels and catalyst supports therefrom Apr. 23, 2002
6372685 Powders of silica-oxide and mixed silica-oxide and method of preparing same Apr. 16, 2002
6350715 Preparation of an activated catalyst using an inert gas in the absence of hydrogen Feb. 26, 2002
6323147 Titanium-containing silicon oxide catalyst Nov. 27, 2001
6291392 Catalysts containing a platinum group metal and produced in a sol-gel method, as well as a method for producing diarylcarbonates Sep. 18, 2001
6235677 Fischer-Tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids May. 22, 2001
6228797 Oligomerization catalyst system and method of making and method of using such catalyst system in the oligomerization of olefins May. 8, 2001
6204346 Polymerization process Mar. 20, 2001
6201077 Process that produces polymers Mar. 13, 2001
6121187 Amorphous, microporous mixed oxide catalysts with controlled surface polarity for selective heterogeneous catalysis, adsorption and material separation Sep. 19, 2000
6107236 Powders of silica-oxide and mixed silica-oxide and method of preparing same Aug. 22, 2000
6096674 Heat-resistant HC adsorbent Aug. 1, 2000
5968869 Vinyl acetate catalyst comprising palladium and gold deposited on a copper containing carrier Oct. 19, 1999
5916837 Porous microcomposite of metal cation exchanged perfluorinated ion-exchanged polymer and network of metal oxide, silica or metal oxide and silica Jun. 29, 1999
5895770 Olefin polymerization catalysts with specific silica supports Apr. 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 Oct. 20, 1998
5789336 Micro-mesoporous gel and process for its preparation Aug. 4, 1998
5576262 Glycol ether compounds for the production of polyolefin catalysts and supports Nov. 19, 1996
5538931 Transition metal aerogel-supported catalyst Jul. 23, 1996
5492877 Supported metal catalyst for hydrogenating organic compounds and process for preparing it Feb. 20, 1996
5466646 Process for the preparation of solid state materials and said materials Nov. 14, 1995
5466646 Process for the preparation of solid state materials and said materials Nov. 14, 1995
5434118 Catalytically active gel and a process for its preparation Jul. 18, 1995
5356847 Nickel catalyst Oct. 18, 1994
5130288 Cogelled mixtures of hydrated zinc oxide and hydrated silica sulfur sorbents Jul. 14, 1992
5112792 Nickel/silica catalyst and the preparation and use thereof May. 12, 1992
5073531 Olefin polymerization catalysts and preparation method Dec. 17, 1991
5051390 Chemical process and catalyst to be used therein Sep. 24, 1991
4994425 Catalyst base Feb. 19, 1991

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