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Class Information
Number: 423/338
Name: Chemistry of inorganic compounds > Silicon or compound thereof > Oxygen containing > Silica > By gelling
Description: Processes which include the step of gellation or forming a jelly like mass.










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

Patent Number Title Of Patent Date Issued
8679437 Preparation of mesoporous and macroporous silica gel Mar. 25, 2014
8652432 Method for producing porous silica material Feb. 18, 2014
8647557 Method for producing sheets including fibrous aerogel Feb. 11, 2014
8647599 Process for producing a thermostable TiO.sub.2/SiO.sub.2 mixed oxide and mixed oxide produced therefrom Feb. 11, 2014
8623312 Process for producing dispersion of hollow fine SiO.sub.2 particles, coating composition and substrate with antireflection coating film Jan. 7, 2014
8596468 Composite caustic silica gel manufacturing method and gels made thereby Dec. 3, 2013
8529795 Wet-processible metal oxide solution, method of using the same, and organic photovoltaic cell of using the same Sep. 10, 2013
8518335 System for preparing silica aerogel powder Aug. 27, 2013
8501319 Pre-formed assemblies of solgel-derived nanoparticles as 3D scaffolds for composites and aerogels Aug. 6, 2013
8480989 Hollow fine particles, production process thereof, coating composition and article having coating film formed Jul. 9, 2013
8454918 Nanoporous materials and related methods Jun. 4, 2013
8435316 Bonded abrasive articles and methods of forming May. 7, 2013
8435480 Method for synthesizing one-dimensional helical nanoporous structures and method for synthesizing glycine-derived surfactant for synthesizing helical nanoporous structures May. 7, 2013
8431633 Silica particles, manufacturing method thereof and resin particles Apr. 30, 2013
8367769 Silicon-based nanosilicon composites and fabrication methods Feb. 5, 2013
8354088 Methods and apparatus for recovery of silicon and silicon carbide from spent wafer-sawing slurry Jan. 15, 2013
8299131 Silica gel comprising guanidine carbonate Oct. 30, 2012
8277676 Methods and compositions for preparing silica aerogels Oct. 2, 2012
8277768 System and method for production of high purity silicon solids and solids therefrom Oct. 2, 2012
8273173 Nano-additive for hydrocarbon well cementing operations Sep. 25, 2012
8252607 Bio-compatible hybrid organic/inorganic gels: vapor phase synthesis Aug. 28, 2012
8221882 Process and apparatus for producing inorganic spheres Jul. 17, 2012
8137651 Method for preparing hydrophobic aerogel and hydrophobic aerogel prepared therefrom Mar. 20, 2012
8118898 Spinous silica-based sol and method of producing the same Feb. 21, 2012
8097127 Siliceous composition and its use in papermaking Jan. 17, 2012
8084392 Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same Dec. 27, 2011
8057772 Mesoporous silica particles and preparation method thereof Nov. 15, 2011
8029887 Optical articles and sol-gel process for their manufacture Oct. 4, 2011
8007751 Hydrophilic precipitated silica for defoamer formulations Aug. 30, 2011
7959728 Mesoporous silica particles and production process thereof Jun. 14, 2011
7955534 Monolithic substrate of materials containing multiple opened channels of one dimensional macropore having a mesoporous inner surface extending through the substrate and a method of making the Jun. 7, 2011
7919535 Silica-based sols Apr. 5, 2011
7871588 Silica by precipitation at constant alkali number, and its use Jan. 18, 2011
7824644 Particulate silica Nov. 2, 2010
7803343 Silica gel manufacturing method and gels made thereby Sep. 28, 2010
7790131 High-surface precipitation silica acids Sep. 7, 2010
7790138 Process for producing a thermostable TiO2/SiO2 mixed oxide and mixed oxide produced therefrom Sep. 7, 2010
7777176 Composition and method to characterize membranes' defects Aug. 17, 2010
7771609 Methods and compositions for preparing silica aerogels Aug. 10, 2010
7763564 Titanium catalyst, its preparation and its use in epoxidation reactions Jul. 27, 2010
7736613 Modification process of synthetic silica powder and its quartz glass product Jun. 15, 2010
7732496 Highly porous and mechanically strong ceramic oxide aerogels Jun. 8, 2010
7662306 Polysilicate microgels Feb. 16, 2010
7628844 Filtration media for the removal of mercury from flue gas emissions Dec. 8, 2009
7618608 Aerogel and method of manufacturing same Nov. 17, 2009
7595036 Synthesis of tetragonal phase stabilized nano and submicron sized nanoparticles Sep. 29, 2009
7559981 Air filtration media comprising oxidizing agent-treated metal-doped silicon-based gel and zeolite materials Jul. 14, 2009
7553416 Caustic silica gel manufacturing method and gels made thereby Jun. 30, 2009
7537746 Process and apparatus for producing inorganic spheres May. 26, 2009
7524478 Low water uptake silicas Apr. 28, 2009

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