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Class Information
Number: 423/339
Name: Chemistry of inorganic compounds > Silicon or compound thereof > Oxygen containing > Silica > By precipitating
Description: Processes which include the step of causing a substance to come out of solution or become insolubilized.


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7615206 Methods of fabricating nanoscale-to-microscale structures Nov. 10, 2009
7608234 Precipitated silicas with particular pore size distribution Oct. 27, 2009
7572424 Self-assembly of nanoporous silica fibers of uniform shape Aug. 11, 2009
7566433 Precipitated silicas with a particular pore size distribution Jul. 28, 2009
7524478 Low water uptake silicas Apr. 28, 2009
7442356 Process for producing inorganic spheres Oct. 28, 2008
7378076 Process for production of macrostructures of a microporous material May. 27, 2008
7378072 Method for the preparation of aerogels May. 27, 2008
7335342 Process for the preparation of sodium silicate from Kimberlite tailing Feb. 26, 2008
7335717 Methods, compositions, and biomimetic catalysts for the synthesis of silica, polysilsequioxanes, polysiloxanes, non-silicon metalloid-oxygen networks, polymetallo-oxanes, and their organic or Feb. 26, 2008
7306788 High-cleaning/moderate abrasive silica materials and dentifrice containing such materials Dec. 11, 2007
7303742 Viscosity-modifying silica materials that exhibit low cleaning and abrasive levels and dentifrices thereof Dec. 4, 2007
7270803 High-cleaning, low abrasion, high brightness silica materials for dentrifices Sep. 18, 2007
7267814 High-cleaning/low abrasive silica and materials and dentifrice containing such materials Sep. 11, 2007
7255852 Precipitated silica product, dentifrices containing same, and processes Aug. 14, 2007
7204969 High-structure precipitated silicas Apr. 17, 2007
7192461 High concentration silica slurry Mar. 20, 2007
7150862 Method of manufacturing powder Dec. 19, 2006
7125432 Method for making precipitated silica or silicate compositions and products thereof Oct. 24, 2006
7070749 Doped precipitated silica Jul. 4, 2006
7070748 Non-porous spherical silica and method for production thereof Jul. 4, 2006
7037476 Process for preparing amorphous silica from kimberlite tailing May. 2, 2006
7037475 Precipitated silica particles for cat litter May. 2, 2006
7018596 Mesoporous silica, process for the preparation of the same, and use thereof Mar. 28, 2006
7015271 Hydrophobic particulate inorganic oxides and polymeric compositions containing same Mar. 21, 2006
7008617 Precipitated silicas Mar. 7, 2006
6949234 Wet abatement system for waste SiH.sub.4 Sep. 27, 2005
6946119 Precipitated silica product with low surface area, dentifrices containing same, and processes Sep. 20, 2005
6946010 Method for making abrasive compositions and products thereof Sep. 20, 2005
6946109 Ultra-stable lamellar mesoporous silica compositions and process for the preparation thereof Sep. 20, 2005
6908600 Method for obtaining pigments for ceramic and glass, and pigments obtained thereby Jun. 21, 2005
6902715 Precipitated silicas having a narrow particle size distribution Jun. 7, 2005
6896876 High cleaning silica gel dental abrasive, dentifrices prepared therefrom, and a method for preparing the dental abrasive May. 24, 2005
6869595 Abrasive compositions for clear toothpaste Mar. 22, 2005
6843974 Method for extracting silica from herbaceous plants Jan. 18, 2005
6800267 Doped precipitated silica Oct. 5, 2004
6800260 Processes for treating iron-containing waste streams Oct. 5, 2004
6780393 Method of producing fine particles of metal oxide Aug. 24, 2004
6761867 Concentrated suspension of precipitation silica, processes for its preparation and uses of this suspension Jul. 13, 2004
6726889 Production of zinc oxide from acid soluble ore using precipitation method Apr. 27, 2004
6716408 Procedure for preparing silica from calcium silicate Apr. 6, 2004
6702888 Process for the preparation of precipitated silica, new precipitated silicas containing aluminum and their use for the reinforcement of elastomers Mar. 9, 2004
6699808 High-solids SiO2 dispersions, process for producing them, and their use Mar. 2, 2004
6692715 Silica nanofibers and method for preparing them Feb. 17, 2004
6685907 Process for producing silica particles suitable for use as filler for paper Feb. 3, 2004
6680040 Sol having fine particles dispersed and method for preparing Jan. 20, 2004
6670438 Methods, compositions, and biomimetic catalysts for in vitro synthesis of silica, polysilsequioxane, polysiloxane, and polymetallo-oxanes Dec. 30, 2003
6669748 Dispersion liquid of silica particles for polishing, method of producing the same, and polishing agent Dec. 30, 2003
6663963 Very high structure, highly absorptive hybrid silica and methods for making same Dec. 16, 2003
6645471 Composite abrasive material for oral compositions, and methods of making and using same Nov. 11, 2003

1 2 3 4 5 6 7 8


 
 
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