Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
05/2002
05/02/2002US20020051802 Rod-shaped mesoporous powder, humectant adsorbing powder, and cosmetic preparation using the same
05/02/2002EP1200346A1 Precipitated silica, a process to make it, and its use
05/02/2002EP1200345A1 Method of preparation for silica (sio 2?) from rice bran
05/02/2002EP1200344A1 Method of recovering fumed silica from spent potliner
05/02/2002EP1200254A1 High performance nanocomposites
05/02/2002CA2426727A1 Solvogels and a method of manufacture of the same
05/01/2002CN1346790A Process for synthesizing nano-size uniform mesoporous silicon oxide ball separating agent
05/01/2002CN1083866C Method for preparing particles comprising core and silica shell
04/2002
04/30/2002US6380295 Clay/organic chemical compositions useful as additives to polymer, plastic and resin matrices to produce nanocomposites and nanocomposites containing such compositions
04/30/2002US6380265 As coating, in glyol slurries used in making polyester films; as binders, filers, cardboard stiffeners, theological agents, abrasive additives in dentifrice, corrosion inhibitors, lather treating agents, insulation coatings, cosmetic additives
04/30/2002US6380110 Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass
04/30/2002US6379500 Silica-based sols
04/30/2002US6378229 Method for the sub-critical drying of lyogels to produce aerogels
04/25/2002WO2002032811A1 Preparation of calcium silicate and sulfur dioxide
04/25/2002WO2002032809A1 Oxide material, method for preparing oxide thin film and element using said material
04/25/2002WO2002032808A1 Recovering hf acid from calcium fluoride
04/24/2002EP1199335A1 Functionalized silicic acids
04/24/2002EP1198288A1 Method for producing metal oxides dispersibles in organic solvents
04/24/2002EP1113988B1 Method and device for producing aerogels
04/24/2002CN1346333A Method and apparatus for production of amorphous silica from silicon and silicon-containing materials
04/24/2002CN1083397C Silanized silicic acid, its preparation process and use
04/24/2002CN1083396C Process for producing high-purity silicon
04/24/2002CN1083395C Amorphous precipitated silica abrasive
04/23/2002US6376421 Ion exchanged aluminum-magnesium silicate or fluorinated magnesium silicate aerogels and catalyst supports therefrom
04/23/2002US6375914 Method for treating silica gel
04/23/2002US6375913 Integration of ceramic membrane into a silicon oxide production plant
04/23/2002US6375735 Acidifying caustic silicate solution produced by caustic digestion of biomass ash containing silica and activated carbon, the ash being obtained from thermal pyrolysis of the biomass
04/23/2002CA2191485C Novel method for preparing precipitated silica, novel zinc-containing precipitated silicas, and use thereof for reinforcing elastomers
04/21/2002CA2359493A1 Functionalized silicas
04/18/2002WO2002030818A2 Methods for synthesizing precipitated silica and use thereof
04/18/2002WO2002030817A1 High-structured silica granules and their use in dental compositions
04/18/2002WO2001070628A3 Plasma processing for porous silica thin film
04/18/2002US20020044904 Reacting silicon with silicon tetrachloride, hydrogen and optionally hydrogen chloride using catalysts; silicon and catalyst are intensively mixed prior to reaction
04/18/2002US20020044903 Pyrogenically prepared silicon dioxide
04/18/2002DE10118483C1 Continuous direct synthesis of silane and mono-, di-, tri- and tetra-chlorosilanes, used e.g. in production of linear polysiloxanes or pyrogenic silica, in fluidized bed includes recycling dust containing silicon as suspension in liquid
04/18/2002DE10048504A1 Removing impurities such as phosphine and arsine from chlorosilane gas e.g. for semiconductor manufacture, comprises contacting the chlorosilane with a heated surface
04/17/2002EP1197472A1 Iron oxide- and silicon dioxide- titanium dioxide mixture
04/17/2002CN1344764A Adulterated precipitated silicate
04/17/2002CN1082996C Process for producing fine solid detergent particles
04/17/2002CN1082836C Synthesized inorganic ion exchange material and detergent composition containing the same
04/16/2002US6372806 Method of making colloidal silica
04/16/2002US6372709 Finely divided crystalline sodium disilicate
04/16/2002US6372685 Powders of silica-oxide and mixed silica-oxide and method of preparing same
04/16/2002US6372190 Process for filling and emptying a vessel charged with flammable and aggressive gas
04/16/2002US6372089 Method of making paper
04/16/2002CA2211028C Process and apparatus for manufacturing polycrystalline silicon, and process for manufacturing silicon wafer for solar cell
04/11/2002WO2002028526A1 Ion exchange illite and method for preparing the same
04/11/2002WO2001097963A3 Colloidal silicate dispersion, method for its preparation and its use
04/11/2002WO2001096237A3 Intercalated clay material useful for making alpha-olefin polymer nanocomposites and intercalant compound used therein
04/11/2002US20020042210 Ionic additives for extreme low dielectric constant chemical formulations
04/11/2002US20020041963 Spherical silica particles and method of production
04/11/2002US20020041952 Aqueous nanoparticle ceramic agglomerate dispersion for forming ink-absorbing layer of ink-jet recording medium
04/11/2002US20020041932 Method of preparing porous materials
04/11/2002US20020040773 Process for producing silica particles suitable for use as filler for paper
04/11/2002DE10139320A1 Kugelförmige Silicateilchen und Verfahren zu deren Herstellung Spherical silica particles and processes for their preparation
04/11/2002DE10049963A1 Yields in trichlorosilane production (eg for subsequent pure silicon production) are improved by mixing the silicon starting material with the catalyst prior to reaction with silicon tetrachloride and hydrogen
04/11/2002DE10049012A1 Removing silane from exhaust gases or liquids to reduce risk of spontaneous combustion and to give useful products by reaction with liquid silicon tetrachloride using a trialkyl- or aryldialkyl-amine catalyst
04/11/2002DE10048654A1 Production of transparent metal oxide (eg silica) aerogels by a two-stage process with the gel stage accelerated by the introduction of carbon dioxide
04/11/2002DE10048616A1 Dotierte Fällungskieselsäure Doped precipitated silica
04/11/2002DE10048472A1 Neuartiges Konzept zur Energieerzeugung über einen anorganischen Stickstoff-Zyklus, ausgehend vom Grundstoff Sand unter Erzeugung Höherer Silane New concept for power generation to an inorganic nitrogen cycle, starting from raw material to produce sand Higher silanes
04/10/2002EP1194950A1 Process for polycrystalline silicon film growth and apparatus for same
04/10/2002EP1194486A1 Coloring pigment
04/10/2002EP1194374A1 Nanocomposite coatings
04/10/2002EP1194235A1 Shaped articles of silicia gel and porous, amorphous mixed oxides
04/10/2002EP0963347B1 Neutral-aged hydrophobic organosilicate-modified silica gels
04/10/2002CN1343752A Brightener compsn.
04/10/2002CN1343751A Brightener compsn.
04/10/2002CN1343750A Brightener compsn.
04/10/2002CN1082529C Method for preparing hollow silica particles
04/09/2002US6368568 Method for improving the efficiency of a silicon purification process
04/04/2002WO2002027824A1 Synthesis method for carbon material based on lixm1-ym'(xo4)n
04/04/2002WO2002027823A1 Method for synthesis of carbon-coated redox materials with controlled size
04/04/2002WO2002026626A1 Non-porous spherical silica and method for production thereof
04/04/2002WO2002026625A2 Novel concept for generating power via an inorganic nitrogen cycle, based on sand as the starting material and producing higher silanes
04/04/2002WO2001081354A3 Method for preparing a contact mass
04/04/2002US20020038603 Method for the separation of molecules in the gas phase by adsorption by means of agglomerated solid inorganic adsorbents with a narrow and calibrated mesopore distribution
04/04/2002DE10044796A1 Verfahren zur Herstellung von Chlorsilanen Process for the preparation of chlorosilanes
04/04/2002DE10044795A1 Production of trichlorosilane for producing silane, silicon, dichlorosilane or adhesion promoter involves using catalyst containing iron
04/04/2002DE10044794A1 Verfahren zur Herstellung von Trichlorsilan A method for producing trichlorosilane
04/03/2002EP1193220A1 Doped precipitated silica
04/03/2002CN1342603A Process for preparing sodium silicate
04/02/2002US6365649 Fused spherical silica, method for producing same and liquid sealing resin composition
04/02/2002US6365638 Process for preparation of hydrophilic or partially hydrophilic inorganic aerogels
04/02/2002US6365225 Ingots; using a consumable, removable, thin wall tubular casing, heating the reaction chamber radiantly, flowing and counterflowing reactant gas, depositing polysilicon directly upon the interior wall of the tubular casing.
04/02/2002US6365098 Phoenix-1, a structural material based on nuclear isotopic concentrations of silicon
04/02/2002US6364953 Method and apparatus for making aerogel film
04/02/2002US6364919 Constant pressure in dispersion chambers prevents macro particles would lead to scratching
03/2002
03/28/2002WO2002024982A1 Method for producing crystal thin plate and solar cell comprising crystal thin plate
03/28/2002WO2002024760A2 Aqueous nanocomposite dispersions: processes, compositions, and uses thereof
03/28/2002WO2002024758A2 Emulsion polymerization methods involving lightly modified clay and compositions comprising same
03/28/2002WO2002024757A2 High acid aqueous nanocomposite dispersions
03/28/2002WO2001030864A3 Nanocomposite polymers
03/28/2002US20020037953 Cation-exchanged intercalate free of non ion-exchanged intercalated cation comprising layered clay material; food and beverage packaging
03/28/2002US20020037936 Hydrophobic silica
03/28/2002US20020037935 Colloidal silica slurry
03/28/2002US20020035950 Prepared by adding an aerosol which contains an aqueous solution of a metal and/or non-metal to the gas mixture during flame hydrolysis of vaporizable compounds of metals and/or non-metals; homogenous distribution of dopant
03/28/2002US20020035807 Slurry for chemical mechanical polishing of a semiconductor device and preparation method thereof
03/28/2002DE10048794A1 Verfahren zur Herstellung von Trichlorsilan A method for producing trichlorosilane
03/28/2002DE10045367A1 Verfahren zur Herstellung von Trichlorsilan A method for producing trichlorosilane
03/27/2002EP1189689A1 Stable silica sols of high surface area and improved activity