Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
11/1999
11/23/1999US5989524 Silica compatible with flavors, process for its preparation and dentifrice compositions containing it
11/23/1999US5989510 Method of producing granular amorphous silica
11/18/1999DE19822046A1 Goniochromatische Glanzpigmente auf Basis in einer reduzierenden Atmosphäre erhitzter, titanbeschichteter silikatischer Plättchen Goniochromatic luster pigments based in a reducing atmosphere of heated titanium coated silicate platelets
11/18/1999DE19821143A1 Aluminiumsilikatsuspension Aluminum silicate suspension
11/17/1999EP0957065A2 Aluminium silicate suspension
11/17/1999EP0956335A1 Agglomerated silicas
11/17/1999EP0956316A1 Pigment particles coated with precipitated calcium carbonate and a process for the preparation thereof
11/16/1999US5985229 Part of silicon is chemically bonded to hydrogen, and more particularly, to a novel finely divided derivative which has a si--h bond utilizable in chemically useful reactions such as reduction reaction, hydrosilylation reaction, spherical,
11/16/1999US5985176 Manganese activated
11/16/1999CA1340820C Absorbant precipitated silica and composition containing said silica
11/10/1999CN1234603A Grinding method and method for producing grinding granules used in said grinding method
11/10/1999CN1234368A Defluorination agent for production of fodder-grade calcium hydrophosphate and use method thereof
11/09/1999US5980856 Adsorbing agents of acidic substances, anion exchangers, infrared absorption agents for agricultural films, deodorants and recording media for ink jet
11/09/1999US5980836 A chemical reactor comprising two reservoirs, a mixer, pumps for controlling the concentration of silica in the silicate solution while the solution is being pumped; preventing silica deposition
11/09/1999US5979186 Method for the manufacture of SiO2 granular material
11/09/1999US5979185 Method and apparatus for forming silica by combustion of liquid reactants using a heater
11/09/1999CA2168677C Granules based on pyrogenically prepared silicon dioxide, method for their preparation and use thereof
11/09/1999CA2168244C Method for production of white microsilica
11/03/1999EP0776317B1 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds
11/03/1999CN1233586A Precipitated silica granules
11/03/1999CN1046120C Alumino-silicate derivatives
11/02/1999US5976481 Polycrystal silicon rod and production process therefor
11/02/1999US5976480 Vaporizing silicon halides, mixing the vapors with a carrier gas, heating the mixture to temperatures definitely above the boiling point of the silicon-halogen compound, mixing with hydrogen and combustion in a known manner in a burner.
11/02/1999US5976479 Mixing a slurry of a silica with a mineralizer at 85-300 degrees c. the silica thus produced has a unimodal pore distribution with pores in the range of about 300 ang. to about 25,000 ang.
11/02/1999US5976478 Internal porosity is created in dense sio2 particles by heating a mixture of the particles with b2o3 or boric acid; resulting particles have altered morphology, internal porosity, and small to negative volume changes when heated.
11/02/1999CA2192548C Method for making spherical adsorbent particles
11/02/1999CA2148396C Organoclay compositions containing two or more cations and one or more organic anions, their preparation and use in non-aqueous systems
11/02/1999CA2007821C Method for producing dual zone materials by use of an organosilane mixture
10/1999
10/28/1999WO1999054411A1 Particulate metal oxide with evenly fluorinated surface, process for producing the same, and use
10/28/1999CA2329300A1 Particulate metal oxide with evenly fluorinated surface, process for producing the same, and use
10/27/1999EP0952187A1 Clay/organic chemical compositions as polymer additives to produce nanocomposites and nanocomposites containing such compositions
10/27/1999EP0951442A1 Treatment of mineral particles
10/27/1999EP0951441A1 Silicon-substituted apatites and process for the preparation thereof
10/27/1999EP0844979B1 POROUS MONODISPERSED SiO2 PARTICLES
10/27/1999EP0713478B1 Composite silicate materials
10/27/1999EP0644914B1 Inorganic fillers and organic matrix materials whose refractive index is adapted
10/26/1999US5973177 Heating chemical grade silicon under controlled conditions with a carbon source such that a reaction product of carbon monoxide and carbon dioxide are formed, which are predictive of the metalloid's performance in the direct process
10/26/1999US5973057 Process for deaggregating silicic acid
10/26/1999US5973053 Composite clay material and method for producing the same, blend material and composite clay rubber using the same and production method thereof
10/26/1999US5972107 Method for purifying silicon
10/21/1999WO1999052822A1 Method for producing spherical silica particles
10/21/1999WO1999052821A2 Method for purifying alkali metal silicate solutions
10/21/1999WO1999052817A1 Preparation and purification of diborane
10/21/1999WO1999052627A1 Powders of silica-oxide and mixed silica-oxide and method of preparing same
10/21/1999CA2327658A1 Preparation and purification of diborane
10/20/1999EP0950020A1 Removal of silica from bauxite
10/20/1999EP0949990A1 Modified kaolins
10/20/1999EP0881998A4 Improved pearlescent pigment for exterior use
10/20/1999EP0837832B1 Process for preparing organically modified aerogels and use thereof
10/20/1999CN1232436A Method of inhibiting gelling of siloxane feedstocks and gel inhibited feedstock
10/20/1999CN1232435A Process for producing organically modified aerogels
10/20/1999CN1231989A Precipitated silica
10/20/1999CN1045760C Method for treatment of potash feldspar, and use of obtained matter
10/19/1999US5968470 Adding silicate and acid into dispersion of silica and addingelectrolyte; suspension, dispersion, separation, drying
10/19/1999US5968249 Mixing brines with sodium silicate to form sodium silicate precipitates
10/14/1999DE19815753A1 Silica gel production used in trace analysis
10/13/1999EP0948395A1 Organically modified aerogels, method for their production by surface modification of the aqueous gel without previous solvent exchange and subsequent drying and the use thereof
10/13/1999CN1045581C Silicate compound and use thereof
10/13/1999CN1045551C Concentration method for removing iron from potash feldspar
10/12/1999US5964937 Amorphous silicas
10/12/1999US5964693 Continuous preparation of silica sols which contain large particles
10/12/1999CA2153932C Method for refining of silicon
10/07/1999WO1999050179A1 Conductive powder ad transparent conductive composition
10/07/1999WO1999049850A1 Composition comprising a liquid absorbed on a support based on precipitate silica
10/07/1999WO1999042518A3 Organophilic phyllosilicates
10/07/1999CA2325582A1 Electricallly conductive powder and transparent conductive composition
10/06/1999EP0947467A1 Porous inorganic composite and method for separating metal elements using the same
10/06/1999EP0946277A2 Method for producing organically modified, permanently hydrophobic aerogels
10/06/1999CN1230936A Precipitated silica used as reinforcing filler for elastomers
10/05/1999US5962352 Mixing a solution of silicon and aluminum oxides; adding hydrochloride acid; porosity
10/05/1999US5962132 Silica nanoparticles obtained from a method involving a direct current electric arc in an oxygen-containing atmosphere
10/05/1999US5961944 Directional solidification
10/05/1999US5961943 Regularly-shaped aluminosilicate and its use
10/05/1999CA1340778C Silica for toothpaste compositions compatible particularly with zinc
09/1999
09/30/1999WO1999048813A1 Precipitated silica particulates with improved dispersability
09/30/1999WO1999048812A1 Method for hydrogenating halogen-substituted silicon compounds
09/30/1999WO1999048605A1 Ion exchanged aluminium-magnesium or fluorinated magnesium silicate aerogels and catalyst supports therefrom
09/29/1999EP0748369B1 Multi-substance mixtures based on water-soluble alkali silicate compounds and their use
09/28/1999US5959314 Polycrystalline silicon from the crystallization of microcrystalline silicon
09/28/1999US5959005 Silanized silica
09/28/1999US5958577 Comprising silica crystal having size within 0.1 mm to 10 mm and linear pores having uniform pore size; for reducing light scattering in optical and electronic functional materials such as optical filters, electronic waveguides
09/28/1999US5958369 Mixing silicon alkoxide and titanium alkoxide, adding liquid containing water and alkylamine with stirring to hydrolyze and form gel, drying, calcining
09/28/1999US5958363 Method for making monolithic metal oxide aerogels
09/28/1999US5958354 Aluminosilicate cation exchange compounds
09/28/1999US5958281 Lithium ion-conductive solid electrolyte and method for producing the same
09/28/1999US5958127 Process for the preparation of precipitated silica, new precipitated silicas containing zinc and their use for the reinforcement of elastomers
09/28/1999CA1340770C Sliica for toothpaste compositions compatible particularyly with chlorohexidine
09/23/1999WO1999047455A1 Process for purifying clay by the hydrothermal conversion of silica impurities to a dioctahedral or trioctahedral smectite clay
09/23/1999DE19812587C1 Process for the direct hydrogenation of halogen substituted silicon compounds for semi-conductor and microelectronic applications
09/23/1999CA2315738A1 Process for purifying clay by the hydrothermal conversion of silica impurities to a dioctahedral or trioctahedral smectite clay
09/22/1999EP0859740B1 Process for preparing organically modified aerogels in which the salts formed are precipitated out
09/22/1999EP0859739B1 Process for preparing organically modified aerogels using alcohols
09/22/1999EP0788459B1 Aluminosilicate cation exchange compounds
09/22/1999CN1229057A Method for preparing water glass and by-product active carbon using rice hull ash carbon
09/22/1999CN1229056A Process for manufacture of dispersible alumino-silicates
09/21/1999US5955535 Intercalation compounds
09/21/1999US5955049 Silicon dioxide tetrahedron sheet
09/16/1999WO1999046336A1 Sulphide and oxysulphide pigments
09/16/1999WO1999046203A2 Method for drying and producing microporous particles and a drying device
09/16/1999WO1999046023A1 Method for drying and producing microporous particles