| Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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| 02/17/1981 | US4251281 And tire made therefrom |
| 02/17/1981 | CA1095877A1 Process for producing silicon-dioxide-containing waste fines to crystalline zeolitic type-a molecular sieves |
| 02/17/1981 | CA1095803A1 Process for the production of tenside-containing cation exchanger aluminosilicates |
| 02/17/1981 | CA1095688A1 Precipitated silica granulates |
| 02/11/1981 | EP0023587A1 Temperature-stabilized pyrogenic oxide mixture of silica oxide, process for its production and its use |
| 02/11/1981 | EP0023564A1 Process for storing and handling wet hydrated alumina |
| 02/11/1981 | EP0023509A1 Cold crucible semiconductor deposition process and apparatus |
| 02/10/1981 | US4249903 Process for the preparation of alumino-silicate granulates |
| 02/03/1981 | US4248600 Acidification of silica slurry; agitation with dry fine particle silica |
| 02/03/1981 | CA1094778A1 Synthetic imogolite |
| 01/27/1981 | US4247708 Polydimethylsiloxane, ammonia or amine catalyst |
| 01/27/1981 | US4247528 Method for producing solar-cell-grade silicon |
| 01/27/1981 | US4247420 Hydrocarbon conversion catalyst preparation |
| 01/21/1981 | EP0022620A1 Aluminophosphorous compound, process for producing same and its use |
| 01/20/1981 | US4246249 Silicon purification process |
| 01/20/1981 | US4246137 Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
| 01/20/1981 | CA1093789A1 Precipitated siliceous products and methods for their use and production |
| 01/14/1981 | EP0022280A1 Process for the chemical etching of silicon substrates |
| 01/14/1981 | EP0022172A1 Process for producing finely divided metal oxides |
| 01/13/1981 | US4244935 Method of forming metal chlorides |
| 01/13/1981 | CA1093535A1 Process for processing silicon-dioxide-containing air- borne waste fines to crystalline type-y molecular sieves having a faujasite structure |
| 01/13/1981 | CA1093278A1 Silica polymorph and process for preparaing same |
| 01/07/1981 | EP0021475A1 Crystalline silicates, process for their preparation and catalytic conversions using them |
| 01/07/1981 | EP0021445A2 Method for preparing zeolites, zeolites obtained by such method and their use for the conversion of hydrocarbons |
| 01/07/1981 | EP0021333A1 Synthesis of mixed oxide composition and products obtained |
| 01/07/1981 | EP0021127A1 Process for the pyrogenic production of a finely divided oxide of a metal and/or a metalloid |
| 01/06/1981 | US4243429 Process for producing tobermorite and ettringite |
| 01/06/1981 | US4243428 Sulfuric acid, multistage |
| 01/06/1981 | US4243425 Method of refining the silicatic slag phase obtained in the thermal recovery of phosphorus from phosphates |
| 01/06/1981 | CA1092905A1 Process for the deposition of polycrystalline silicon from the gas phase on heated carriers |
| 12/30/1980 | US4242307 Chemical reactors, purification |
| 12/30/1980 | US4242223 Process for receiving, storing and handling aluminum hydroxide wet hydrate |
| 12/30/1980 | US4242175 Silicon refining process |
| 12/23/1980 | US4241037 Process for purifying silicon |
| 12/23/1980 | US4241035 Synthetic imogolite |
| 12/23/1980 | CA1091992A1 Method for depositing elemental silicon from the gaseous phase |
| 12/16/1980 | US4239740 Production of high purity silicon by a heterogeneous arc heater reduction |
| 12/16/1980 | US4239519 Inorganic gels and ceramic papers, films, fibers, boards, and coatings made therefrom |
| 12/16/1980 | CA1091426A1 Process of melting down and purifying silicon |
| 12/09/1980 | US4238436 Method of obtaining polycrystalline silicon |
| 12/09/1980 | US4238322 Apparatus for preparation of a sprayable precipitated silicic acid suspension |
| 12/09/1980 | US4238240 Method of and structure for forming a reaction product such as calcium silicate and the resulting structure |
| 12/09/1980 | US4238232 Indium-antimony |
| 12/09/1980 | CA1091280A1 Arc heater production of silicon involving a hydrogen reduction |
| 12/02/1980 | US4237103 Combustion with silica material to sodium silicate, refractory-lined incinerator |
| 12/02/1980 | US4237027 Novel black light emitting luminophors |
| 11/25/1980 | US4235856 Method of producing a zeolite of controlled particle size |
| 11/18/1980 | US4234380 Polymeric silicate material and a method of manufacturing the same |
| 11/12/1980 | EP0018955A1 A method for the preparation of silica aerogel and its use |
| 11/12/1980 | EP0018866A1 Silica-based ball- or pearl-shaped pigment, process for obtaining it and its use, especially as a reinforcing filler in elastomers |
| 11/04/1980 | US4231755 Process for purifying solid substances |
| 10/28/1980 | US4230765 Novel amorphous silica, and products thereof |
| 10/28/1980 | US4230679 By acidifying silicate solution to form silicic acid, polymerizing |
| 10/28/1980 | CA1088499A1 Silica modified zeolite catalyst and conversion therewith |
| 10/28/1980 | CA1088291A1 Low thermal conductance insulating material of a dense granular structure |
| 10/21/1980 | CA1088042A1 Controlled surface porosity particles and a method for their production |
| 10/15/1980 | EP0017521A1 Lead-containing additive and process for its manufacture |
| 10/15/1980 | EP0017013A1 Process for producing amorphous sodium-aluminium silicates |
| 10/14/1980 | US4228261 Supported chromium-oxide polymerization catalyst having a porous silica support used in the polymerization of olefines |
| 10/14/1980 | US4228260 Supported chromium-oxide polymerization catalyst having a porous silica support used in the polymerization of olefins |
| 10/14/1980 | CA1087595A1 Silica support, catalyst and processes |
| 10/14/1980 | CA1087377A1 High purity silicon production by arc heater reduction of silicon intermediates |
| 10/14/1980 | CA1087370A1 Process of refining sodium hexafluorosilicate |
| 10/07/1980 | US4226838 Goethite-hematite conversion, quick dissolving of diaspore, hydrogarnet catalyst |
| 10/07/1980 | US4226837 Efficiency |
| 10/07/1980 | US4226743 Silica-alumina hydrogel catalyst |
| 10/07/1980 | US4226636 Production of calcium silicate having high specific bulk volume and calcium silicate-gypsum composite |
| 10/07/1980 | CA1087151A1 Zeolite agglomerates having controlled pore structure |
| 10/07/1980 | CA1086957A1 Method for making strontium additions to ferrosilicon |
| 10/07/1980 | CA1086924A1 Process for the manufacture of calcium silicate hydrate objects |
| 10/01/1980 | EP0016659A1 Inorganic gels and ceramic papers, films, fibres and boards; processes for production thereof |
| 10/01/1980 | EP0016393A2 Process for the preparation of amorphous sodium-aluminium silicates |
| 10/01/1980 | EP0016344A1 Process for producing storage-stable and free-flowing suspensions of aluminium silicate which can be pumped, by wet crushing |
| 09/30/1980 | US4225464 Spray drying silica gel, support for chromium oxide polymerization catalyst |
| 09/30/1980 | US4225409 Metallic modified material of intermetallic compound and a process for the production of the same |
| 09/30/1980 | US4225367 Production of thin layers of polycrystalline silicon on a liquid layer containing a reducing agent |
| 09/23/1980 | US4224297 Method for reactivating a residue containing elemental silicon |
| 09/23/1980 | US4224295 Process for the production of finely divided silicic acid by spray drying |
| 09/23/1980 | US4224189 Process of preparing a porous, pure silica |
| 09/23/1980 | US4224040 Process for the purification of chlorosilanes |
| 09/18/1980 | WO1980001919A1 Process for the production of an aqueous dispersion of poly(organic-polysulfide-silicate)copolymer |
| 09/17/1980 | EP0015794A2 Process for obtaining a glass composition based on metallic silicates and having a low melting point and improved refining properties |
| 09/17/1980 | EP0015371A1 Process for the separation of fluor compounds from vapours in a phosphoric-acid concentration process |
| 09/17/1980 | EP0015315A1 Process for manufacture of silica by flame hydrolysis |
| 09/16/1980 | US4222981 Using a conditioner and a hydrophobic bridging liquid |
| 09/16/1980 | CA1085587A1 Process for the purification of silane |
| 09/16/1980 | CA1085586A1 Process for the production of silane |
| 09/16/1980 | CA1085585A1 Method for the preparation of trichlorosilane and silicon tetrachloride |
| 09/16/1980 | CA1085583A1 Process of concentrating dilute phosphoric acid |
| 09/09/1980 | CA1085140A1 Method of compacting silica dust |
| 09/09/1980 | CA1085138A1 Preparing alkali metal silicate glass |
| 09/09/1980 | CA1085137A1 Process for the production of aluminum chloride and related products |
| 09/02/1980 | US4220551 Novel blue light emitting luminophors |
| 09/02/1980 | CA1084896A1 Polyolefin based greases gelled by clays overtreated by higher dialkyl dimethyl ammonium salts |
| 09/02/1980 | CA1084872A1 Method of producing silica sols by electrodialysis |
| 08/26/1980 | CA1084478A1 Method for producing synthetic sodium aluminosilicate ion-exchange material from calcined kaolin clay |
| 08/20/1980 | EP0014408A2 Process for preparing "kosmochlor" pigments (sodium chromium double silicate)and use thereof |
| 08/20/1980 | EP0014343A1 Calcium silicate in granular or powder form and its use |
| 08/12/1980 | US4217334 Reacting silicon tetrachoride and hydrogen |
| 08/12/1980 | CA1083728A1 Method and apparatus for manufacturing high-purity silicon rods |