Patents for C01B 33 - Silicon; Compounds thereof (28,579) |
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01/02/1979 | US4132560 Pigmented microporous silica microspheres |
01/02/1979 | CA1045309A1 Calcium carboaluminates and tobermorites |
12/26/1978 | US4131659 Process for producing large-size, self-supporting plates of silicon |
12/26/1978 | US4131638 Process for the manufacture of calcium silicate hydrate objects |
12/19/1978 | US4130632 Process for the manufacture of trichlorosilane and silicon tetrachloride |
12/05/1978 | US4128499 Lewis acid-fluorine compounds of carbon |
11/28/1978 | US4127641 Process for the preparation of precipitated silicas having morphology similar to pyrogenic silicas |
11/28/1978 | US4127437 Process for etching SiO2 utilizing HF vapor and an organic catalyst |
11/21/1978 | US4126424 Method of compacting silica dust |
11/21/1978 | US4126423 Method of increasing the bulk density of silica dust |
11/14/1978 | US4125643 Process for depositing elemental silicon semiconductor material from a gas phase |
11/07/1978 | US4124471 Controlling silica sol particle size |
11/07/1978 | US4124410 Silicon solar cells with low-cost substrates |
11/07/1978 | US4123989 Manufacture of silicon on the inside of a tube |
11/07/1978 | CA1041896A1 Co-current absorber for recovering inorganic compounds from plant effluents |
10/31/1978 | US4123390 Molecular sieves |
10/31/1978 | US4123229 Method and apparatus for making vitreous silica |
10/24/1978 | US4122349 Europium activated fluosilicates |
10/24/1978 | US4122161 Amorphous precipitate silica compositions |
10/24/1978 | US4122031 Complex alkali metal-metal silicate material |
10/24/1978 | CA1040838A1 Process for the production of ammonium fluoride from fluosilicic acid |
10/24/1978 | CA1040808A1 Calcium trisulphaluminate compositions_ |
10/17/1978 | US4120938 Contacting tetraalkoxysilane with an aqueous alkali metal hydroxide solution |
10/17/1978 | US4120937 Process for the production of halosilicon acids and organic silicon acid compounds and resinous products |
10/10/1978 | US4119744 Method of manufacturing semiconductor devices in which a layer of semiconductor material is provided on a substrate |
10/03/1978 | US4118464 Process for separating silica from silicate-bearing materials |
10/03/1978 | US4118463 Preparation of highly alkaline silicates |
09/26/1978 | US4117103 Crystals with divalent cations, germanium, oxygen |
09/26/1978 | US4117094 From silicon tetrahalide |
09/26/1978 | US4117093 Method of making an amorphous silicon dioxide free of metal ions |
09/26/1978 | US4116866 Reaction product of castor-fatty propylamido benzyl dialkyl ammonium compound and smectite clay |
09/26/1978 | CA1039265A1 Catalyst support and method for preparing the same |
09/19/1978 | CA1038937A1 Plasma heat treatment of particulate material |
09/19/1978 | CA1038850A1 Method for producing open framework zeolites |
09/12/1978 | US4113845 Disproportionation of chlorosilane |
09/12/1978 | CA1038363A1 Laminar heavy metal aluminosillcates |
09/05/1978 | US4112129 Diatomite, calcium silicate, magnesium silicate |
09/05/1978 | US4112057 Process for purifying halogenosilanes |
09/05/1978 | US4111843 Silica-alumina and silica catalyst support bodies |
08/22/1978 | US4109030 Method for thermally oxidizing silicon |
08/22/1978 | US4108964 Process for the manufacture of silicon dioxide |
08/22/1978 | US4108881 Synthesis of zeolite ZSM-11 |
08/22/1978 | US4108714 Process for producing plate-shaped silicon bodies for solar cells |
08/22/1978 | CA1037017A1 Olefin hydration catalyst |
08/15/1978 | US4107195 Butanediamine |
08/15/1978 | US4106918 Method of recovering fluorine from vapor of crude phosphoric acid solution |
08/15/1978 | CA1036623A1 Compositions comprising inorganic metal compounds and water-soluble organic silicone compounds |
08/08/1978 | US4105757 Amorphous precipitated siliceous pigments for cosmetic or dentifrice use and methods for their production |
08/08/1978 | US4105578 Organophilic clay having enhanced dispersibility |
08/01/1978 | US4104363 Method for preparation of perfectly spherical particles of silicagel with controlled size and controlled pore dimensions |
08/01/1978 | US4104294 Crystalline silicates and method for preparing same |
07/25/1978 | US4102985 Reaction of silicon tetrahalide |
07/25/1978 | US4102767 Arc heater method for the production of single crystal silicon |
07/25/1978 | US4102766 Alkali metal or an alkaline-earth metal reductant, silicon halide, doping agent reacted to produce metal salts and liquid silicon |
07/25/1978 | US4102765 Arc heater production of silicon involving alkali or alkaline-earth metals |
07/25/1978 | US4102764 High purity silicon production by arc heater reduction of silicon intermediates |
07/18/1978 | US4101624 Method of casting silicon |
07/11/1978 | US4099936 Process for the purification of silane |
07/04/1978 | US4098714 Water softening materials |
07/04/1978 | US4098676 Alumina gel, silica sol, metal hydroxides, crystallization |
06/27/1978 | US4097584 Purification by treatment with hydrogen containing gas in water |
06/27/1978 | US4097329 Process for the production of monocrystalline silicon rods |
06/20/1978 | US4096161 Process for the preparation of halogenosilanes |
06/13/1978 | US4094771 Process for preparation of a sprayable precipitated silicic acid suspension |
06/13/1978 | US4094731 Controlled crystallization of melt; removal of iron impurity |
06/13/1978 | US4094690 Liquid composition |
06/06/1978 | US4093502 Process for synthesizing and growing single crystalline beryl |
05/30/1978 | US4092446 Reacting with hydrogen halide |
05/23/1978 | US4090887 Pigmented microporous silica microspheres produced by a water in oil emulsion |
05/16/1978 | US4089932 Process for the production of spherical silica gel |
05/16/1978 | US4089929 Hydrothermal crystallization in the presence of an alkali metal hydroxide and a trialkanolamine |
05/09/1978 | US4088593 Washing, rinsing, cleaning agent |
04/25/1978 | US4086326 Process for the production of alkali metal cyanide silicate compounds and cyanide silicate compounds |
04/25/1978 | US4086322 Acidulation of phosphate rock with solution containing primary potassium phosphate, precipitation of monocalcium phosphate and potassium fluosilicate |
04/11/1978 | US4084024 Process for the production of silicon of high purity |
04/11/1978 | US4083938 Process for the production of silicoformic cyanide and silicoformic dicyanide |
04/11/1978 | US4083927 Boron chloride catalyst, preferential chlorination of aluminum over silica |
04/11/1978 | US4083923 From clays bauxite, and laterite, carbo-chlorination |
03/28/1978 | US4081407 Silica, chromium compound, calining, ethylene polymerization |
03/07/1978 | US4078043 Process for preparing calcium fluoride from hexafluoro silicic acid and production of silicic acid gel or active silicic acid from said calcium fluoride |
03/07/1978 | US4077938 Sol of ultra-fine particles of layered structure material |
02/28/1978 | US4076842 Crystalline zeolite ZSM-23 and synthesis thereof |
02/28/1978 | US4076651 Agglomerated siliceous bodies |
02/28/1978 | US4076549 Amorphous precipitated siliceous pigments for cosmetic or dentifrice use and methods for their preparation |
02/21/1978 | US4075055 Carbon-containing die |
02/14/1978 | US4073865 Hydrophobic |
02/14/1978 | US4073859 Technique for making silicon U-shaped members |
02/07/1978 | US4072796 Process for hydrophobization of finely divided silica and silicates using prepolycondensed organosilane |
02/07/1978 | US4072637 Process for the production of polyurethane resins and foams utilizing silico-formic acid |
02/07/1978 | US4072622 Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents |
01/24/1978 | US4070444 Low cost, high volume silicon purification process |
01/24/1978 | US4070283 Controlled surface porosity particles and a method for their production |
01/24/1978 | US4070260 Process of sulfuric acid leaching silicated zinc ores |
01/17/1978 | US4069391 Catalytic polymerization of allyl halide to polyallyl halide, hydrolysis to polyallyl alcohol, silicon acid |
01/10/1978 | US4068024 Process for preparing finely divided hydrophobic oxide particles |
01/10/1978 | US4068020 Pyrolysis |
01/10/1978 | US4067954 Process for the production of finely divided silicon dioxide having a large specific surface |
01/10/1978 | US4067819 Synthetic tetra-silicic mica and water sol thereof |
01/10/1978 | US4067746 Amorphous precipitated silicas and methods for their preparation |
12/27/1977 | US4065533 Process for the continuous production of silicon rods or tubes by gaseous deposition into a flexible wound band |