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Class Information
Number: 423/336
Name: Chemistry of inorganic compounds > Silicon or compound thereof > Oxygen containing > Silica > By hydrolyzing vapor phase silicon compound
Description: Processes which include the step of hydrolyzing a silicon compound while in the vapor phase.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8623312 Process for producing dispersion of hollow fine SiO.sub.2 particles, coating composition and substrate with antireflection coating film Jan. 7, 2014
8354088 Methods and apparatus for recovery of silicon and silicon carbide from spent wafer-sawing slurry Jan. 15, 2013
8142753 Pyrogenic silica produced in a production facility with high capacity Mar. 27, 2012
8084392 Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same Dec. 27, 2011
8038971 Fumed silica of controlled aggregate size and processes for manufacturing the same Oct. 18, 2011
7976807 Method for detoxifying HCD gas and apparatus therefor Jul. 12, 2011
7910515 Photocatalyst Mar. 22, 2011
7910081 Process for the production of fumed silica Mar. 22, 2011
7892510 Silicon dioxide dispersion Feb. 22, 2011
7888396 Silicon dioxide dispersion Feb. 15, 2011
7879304 Monodisperse mesoporous silica microspheres formed by evaporation-induced self-assembly of surfactant templates in aerosoles Feb. 1, 2011
7871589 Pyrogenically prepared silicon dioxide with a low thickening effect Jan. 18, 2011
7824643 Silicon dioxide dispersion Nov. 2, 2010
7803342 Process for recycling high-boiling compounds within an integrated chlorosilane system Sep. 28, 2010
7799303 Method of preparing silica nanoparticles from siliceous mudstone Sep. 21, 2010
7785560 Purification of finely divided, pyrogenically prepared metal oxide particles Aug. 31, 2010
7763564 Titanium catalyst, its preparation and its use in epoxidation reactions Jul. 27, 2010
7722849 Pyrogenic silicon dioxide and a dispersion thereof May. 25, 2010
7615201 Spherical particles of silica-containing compound oxide and method of production Nov. 10, 2009
7585480 Highly pure ultra-fine SiOx powder and method for production thereof Sep. 8, 2009
7534410 Method for making silica nanoparticles by flame spray pyrolysis adopting two-fluid nozzle May. 19, 2009
7534411 Process for the preparation of pure silica May. 19, 2009
7534409 Pyrogenic silicon dioxide powder and dispersion thereof May. 19, 2009
7507389 Hydrophobic fumed silica Mar. 24, 2009
7442357 Manufacture of silica aerogel via vapor phase reaction Oct. 28, 2008
7431899 Apparatus for the continuous production of silicon oxide powder Oct. 7, 2008
RE40299 Mesoporous-silica films, fibers, and powders by evaporation May. 6, 2008
7338982 Functionalized mesoporous silicate structures, and related processes Mar. 4, 2008
7332144 Hydrophobic silica fine powder and making method Feb. 19, 2008
7255843 Low viscosity-increment fumed-silica and its slurry Aug. 14, 2007
RE39535 Method of making fused silica by decomposing siloxanes Apr. 3, 2007
7192461 High concentration silica slurry Mar. 20, 2007
7090809 Production of aluminum compounds and silica from ores Aug. 15, 2006
7083770 Amorphous, fine silica particles, and method for their production and their use Aug. 1, 2006
6994834 Surface-modified fine silica powder and use thereof Feb. 7, 2006
6932953 Particulate silica and its preparation Aug. 23, 2005
6872402 Bactericidal silicon dioxide doped with silver Mar. 29, 2005
6835683 Quartz glass member and projection aligner Dec. 28, 2004
6800413 Low-silanol silica Oct. 5, 2004
6780393 Method of producing fine particles of metal oxide Aug. 24, 2004
6763683 Method for pure, fused oxide Jul. 20, 2004
6759160 Silicon oxide powder and making method Jul. 6, 2004
6705127 Methods of manufacturing soot for optical fiber preforms and preforms made by the methods Mar. 16, 2004
6696602 Method for the production of phosphonomethylglycine Feb. 24, 2004
6696034 Method for producing hydrophobic silica fine powder Feb. 24, 2004
6685906 Silicon oxide containing active silicon and its evaluation Feb. 3, 2004
6672110 Method of forming an optical fiber preform by combustionless hydrolysis Jan. 6, 2004
6649268 Optical member made of silica glass, method for manufacturing silica glass, and reduction projection exposure apparatus using the optical member Nov. 18, 2003
6638982 Method of preparing a fumed metal oxide dispersion Oct. 28, 2003
6622523 Method of converting halogenated compounds to glass Sep. 23, 2003

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