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Class Information
Number: 502/237
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 > Metal, metal oxide, or metal hydroxide containing
Description: Process wherein the precipitation is effected in the presence of a metal, metal oxide or hydroxide or the metal or metal compound is added subsequently to the precipitation.










Sub-classes under this class:

Class Number Class Name Patents
502/238 Of group iii metal (i.e., sc, y, al, ga, in or tl) 91
502/239 Of group iv metal (i.e., ti, zr, hf, ge, sn or pb) 78


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
8501036 Silica gel compositions containing alkali metals and alkali metal alloys Aug. 6, 2013
8410014 Method for producing catalysts and their use for the gas phase oxidation of olefins Apr. 2, 2013
8298983 Production process of composite metal oxide Oct. 30, 2012
8222470 Process for oligomerizing olefins using a catalyst based on silica-alumina Jul. 17, 2012
8029882 Porous silicon carbide and process for producing the same Oct. 4, 2011
8007762 Silica gel compositions containing alkali metals and alkali metal alloys Aug. 30, 2011
7988747 Production of low sulphur alkylate gasoline fuel Aug. 2, 2011
7858552 Composite catalytic material and process for manufacture of such material Dec. 28, 2010
7754649 Structure having strong contact with solid particles, substrate having strong contact with solid particles, and manufacturing methods thereof Jul. 13, 2010
7709410 Silica gel compositions containing alkali metals and alkali metal alloys May. 4, 2010
7585987 Process for producing olefin oxide Sep. 8, 2009
7518023 Highly active spherical metal support catalysts Apr. 14, 2009
7410567 Silica gel compositions containing alkali metals and alkali metal alloys Aug. 12, 2008
RE40140 Polymerization catalyst used for producing polyolefins that have excellent combined properties Mar. 4, 2008
7306775 Method for removing halogen series gas Dec. 11, 2007
7211539 Silica gel compositions containing alkali metals and alkali metal alloys May. 1, 2007
7198712 Processing for eliminating sulfur-containing compounds and nitrogen-containing compounds from hydrocarbon Apr. 3, 2007
7172990 Highly active spherical metal support catalysts Feb. 6, 2007
7135429 Attrition resistant carrier product Nov. 14, 2006
7128892 Process of forming ultrastable porous aluminosilicate structures Oct. 31, 2006
7009019 Plastic hollow body made of high density polyolefins produced by means of a fluoro modified chrome catalyst Mar. 7, 2006
6992038 Zinc chloride-loaded support and method for producing the same Jan. 31, 2006
6989343 Granular photocatalytic material, functional restoration method therefor, and apparatus for decomposing and removing toxic organic matter using the same Jan. 24, 2006
6956006 Modified titanium dioxide and a method for its preparation Oct. 18, 2005
6897181 Polymerization catalyst used for producing polyolefins that have excellent combined properties May. 24, 2005
6887821 High-temperature catalyst for catalytic combustion and decomposition May. 3, 2005
6887822 Method for making silica supported, crush-resistant catalysts May. 3, 2005
6683022 Method for the discontinuous thermal treatment of catalyst material Jan. 27, 2004
6541416 Silica-group composite oxide fiber and process for the production thereof Apr. 1, 2003
6509489 Catalyst compositions for producing aromatic carbonates Jan. 21, 2003
6376421 Ion exchanged aluminum-magnesium silicate or fluorinated magnesium silicate aerogels and catalyst supports therefrom Apr. 23, 2002
6323147 Titanium-containing silicon oxide catalyst Nov. 27, 2001
6288007 Hydrogenation catalyst with high sulphur tolerance Sep. 11, 2001
6242379 Dehydrogenation catalysts Jun. 5, 2001
6235677 Fischer-Tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids May. 22, 2001
6204217 Process for the preparation of micro-mesoporous gel Mar. 20, 2001
6121187 Amorphous, microporous mixed oxide catalysts with controlled surface polarity for selective heterogeneous catalysis, adsorption and material separation Sep. 19, 2000
6096681 Carrier for olefin polymerization catalysts Aug. 1, 2000
5981425 Photocatalyst-containing coating composition Nov. 9, 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
5858909 Siliceous oxide comprising an alkaline constituent Jan. 12, 1999
5858320 Process for preparing ultrafine aluminum silicate salt particles Jan. 12, 1999
5852144 Catalyst compositions and catalytic processes Dec. 22, 1998
5851947 Incorporation of noble metals into aerogels Dec. 22, 1998
5834395 Catalyst for controlling emissions Nov. 10, 1998
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
5670438 Catalyst compositions and catalytic processes Sep. 23, 1997
5625013 Preparation of a supported catalyst for the polymerization of .alpha.-olefins Apr. 29, 1997

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