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Class Information
Number: 502/233
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
Description: Process in which an amorphous form of hydrate silica is produced; generally by precipitation or coagulation of a silica sol or decomposition of a silicate.










Sub-classes under this class:

Class Number Class Name Patents
502/234 Coprecipitating 68
502/237 Metal, metal oxide, or metal hydroxide containing 88


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
RE44693 Beads bound to a solid support and to nucleic acids Jan. 7, 2014
8501036 Silica gel compositions containing alkali metals and alkali metal alloys Aug. 6, 2013
8222470 Process for oligomerizing olefins using a catalyst based on silica-alumina Jul. 17, 2012
8183173 Fast activating catalyst May. 22, 2012
8137651 Method for preparing hydrophobic aerogel and hydrophobic aerogel prepared therefrom Mar. 20, 2012
8076262 Production of broad molecular weight polyethylene Dec. 13, 2011
8007762 Silica gel compositions containing alkali metals and alkali metal alloys Aug. 30, 2011
7964525 Hydroconversion multi-metallic catalyst and method for making thereof Jun. 21, 2011
7964526 Hydroconversion multi-metallic catalyst and method for making thereof Jun. 21, 2011
7959728 Mesoporous silica particles and production process thereof Jun. 14, 2011
7754646 Synthesis and use of organosilica particles Jul. 13, 2010
7709410 Silica gel compositions containing alkali metals and alkali metal alloys May. 4, 2010
7704914 Photocatalyst and process for producing the same Apr. 27, 2010
7700513 Supported catalyst for olefin polymerization Apr. 20, 2010
7648939 Hydrocracking catalyst composition Jan. 19, 2010
7598201 Process for preparing a support for olefin polymerization catalysts Oct. 6, 2009
7473666 Particulate porous ammoxidation catalyst Jan. 6, 2009
7427579 Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst Sep. 23, 2008
7354981 Polyethylene catalyst and a process for preparing the same Apr. 8, 2008
7341973 Solid base catalyst and use thereof in base catalysis Mar. 11, 2008
RE40140 Polymerization catalyst used for producing polyolefins that have excellent combined properties Mar. 4, 2008
7326757 Supported catalyst for olefin polymerization Feb. 5, 2008
7265242 Process for the carbonylation of ethylenically or acetylenically unsaturated compounds Sep. 4, 2007
7211539 Silica gel compositions containing alkali metals and alkali metal alloys May. 1, 2007
7148179 Catalyst support Dec. 12, 2006
7135429 Attrition resistant carrier product Nov. 14, 2006
7045106 Method for producing inorganic porous material May. 16, 2006
6989345 Catalyst support Jan. 24, 2006
6958137 Preparation of composite silica membranes with thermal stability by a soaking-rolling method Oct. 25, 2005
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
6787497 Chemical product and process Sep. 7, 2004
6670302 High pore volume polyolefin catalyst Dec. 30, 2003
6492014 Mesoporous composite gels an aerogels Dec. 10, 2002
6479427 Silico-titanates and their methods of making and using Nov. 12, 2002
6451723 Polymer-bound nitrogen adsorbent and method of making and using it Sep. 17, 2002
6413373 Process for producing silica particles suitable for use as filler for paper 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
6365649 Fused spherical silica, method for producing same and liquid sealing resin composition Apr. 2, 2002
6365638 Process for preparation of hydrophilic or partially hydrophilic inorganic aerogels Apr. 2, 2002
6355856 Catalyst based on molybdenum and its use in the isomerization of N-paraffins Mar. 12, 2002
6316383 Moldings based on silica Nov. 13, 2001
6303716 High-activity catalyst for producing low-, medium- and high density polyethylenes by gas phase polymerization, process for preparing the same and use of the same in ethylene polymerization Oct. 16, 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
6197270 Process for producing aerogel Mar. 6, 2001
6133436 Beads bound to a solid support and to nucleic acids Oct. 17, 2000

1 2 3










 
 
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