Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
08/1980
08/05/1980US4216188 With aluminum and chromium hydroxides
08/05/1980US4216135 Organophilic clays and thixotropic polyester compositions containing the same
08/05/1980US4216113 Process for preparing thickening grade of silica and process of using same
08/05/1980CA1082881A1 Process for processing silicon-dioxide-containing air- borne waste fines to precipitate silicas and silicates
07/1980
07/29/1980US4215154 Thermal decomposition
07/29/1980US4214920 Method for producing solar cell-grade silicon from rice hulls
07/29/1980CA1082671A1 Synthesis of faujasite
07/24/1980WO1980001489A1 Cold crucible semiconductor deposition process and apparatus
07/23/1980EP0013630A1 ZSM-12 zeolite composition, method of preparing same and catalytic conversion therewith
07/23/1980EP0013497A1 Process for producing a poly (alumino-silicate) and product prepared by this process
07/23/1980EP0013417A1 Process for producing finely devided crystalline water insoluble sodium aluminium silicates
07/22/1980US4213952 Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis
07/22/1980US4213951 Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis
07/22/1980US4213950 Process for preparing amorphous particulate poly(alumino-silicate)
07/22/1980US4213949 Process of preparing particulate poly(alumino-silicate)
07/22/1980US4213937 Silicon refinery
07/22/1980US4213785 Foundry molds and cores
07/15/1980CA1081449A1 Luminescent yttrium disilicate
07/09/1980EP0013123A1 Process for producing a poly(alumino-silicate) and product prepared by this process
07/09/1980EP0013122A2 Polysilicic acid and process for the preparation thereof
07/08/1980US4211848 Unsaturated polyester, water containing oxidated silicon compound
06/1980
06/24/1980US4209498 Silica-containing material FU-1
06/24/1980CA1080200A1 Catalyst support prepared by alcohol treatment of hydrogels
06/17/1980US4208305 Crystalline silicates and process of preparation
06/17/1980US4208218 Viscosity increasing additive for non-aqueous fluid systems
06/17/1980CA1079679A1 Process for purifying halogenosilanes and halogenogermanes
06/17/1980CA1079613A1 Process for synthesizing and growing single crystalline beryl out of a molten salt
06/10/1980US4207360 Silicon seed production process
06/03/1980US4206189 Method of producing hydrogen fluoride and silicon dioxide from silicon tetra-fluoride
05/1980
05/28/1980EP0011315A1 Process for producing a reversibly swellable, large-surface, crystalline micaceous mineral with crystal sheets separate from each other, and mineral product according to the process
05/28/1980EP0011084A1 Process for the pyrogenic production of a highly particulate oxide of a metal and/or metalloid
05/20/1980US4203940 Crystal wafer rack structures and the method of producing the same
05/20/1980US4203822 Perselective membrane
05/14/1980EP0010655A1 Process for increasing the bulk density of silicon dioxide and a use of the so treated silicon dioxide
05/13/1980CA1077237A1 Production of novel chrysotile asbestos fibres
05/06/1980USRE30269 Mixing alkali metal silicate, secondary alkali metal compound, silca
05/06/1980US4201702 Process to produce allyl halides copolymers
05/06/1980US4201689 Precipitating alkali metal silicates and aluminates in the presence of a surfactant
04/1980
04/29/1980US4200621 Sequential purification and crystal growth
04/29/1980US4200445 Method of densifying metal oxides
04/29/1980CA1076515A1 Silicon electrodeposition
04/29/1980CA1076513A1 Ternary azeotrope of fluorosilicic acid, hydrogen fluoride and water
04/29/1980CA1076461A1 Method of purifying silicon
04/29/1980CA1076448A1 Organophilic clay having enhanced dispersibility
04/16/1980EP0010020A1 Luminescent hydrated strontium-fluosilicates, process for their preparation, their use and process for producing black light by means of these compositions
04/16/1980EP0009976A1 Process for the production of amorphous aluminosilicates and their use as catalysts
04/16/1980EP0009836A1 Batch process and apparatus for forming a reaction product such as calcium silicate
04/15/1980US4198491 Process for the production of organic halosilicon acid resinous products and their reaction products
04/15/1980CA1075665A1 Agglomerated siliceous compounds
04/08/1980US4197229 Used as coatings, molding materials, caulking compounds
04/08/1980CA1075325A1 Plasma reactor and procedure for reduction of metal oxides
04/02/1980EP0009311A1 Dry powder composition comprising vermiculite lamellae, process for its production and process for making shaped articles therefrom
04/01/1980CA1074766A1 Production of high capacity inorganic crystalline base exchange materials
03/1980
03/25/1980US4195067 Precipitation from solution in molten metal, melting in contact with silica slag
03/25/1980CA1074284A1 Chemical process
03/18/1980US4193975 Metal solvent
03/18/1980US4193974 Process for producing refined metallurgical silicon ribbon
03/11/1980US4192707 Heat treatment of chrysotile asbestos fibres
03/04/1980US4191742 Amorphous precipitated siliceous pigments and methods for their production
03/04/1980US4191587 Treating with an organosilicon compound and a tin compound
03/04/1980CA1073117A1 Process and apparatus for the preparation of semiconductor-grade silicon
03/04/1980CA1072718A1 Process for the preparation of gaseous mixtures of trichlorosilane and tetrachlorosilane
02/1980
02/26/1980US4190632 Process for treating air-borne (metallic) dusts containing silicon dioxide to form precipitated silicic acids and silicates
02/26/1980US4190457 Contacting with organosilicon compound, drying, increasing pore volume
02/26/1980CA1072529A1 Zeolites
02/12/1980US4188368 Method of producing silicon
02/06/1980EP0007838A2 Luminescent blue-emitting materials based on bivalent europium, processes for their preparation and their use
02/06/1980EP0007713A1 Method of synthesising imogolite and product of the method
01/1980
01/23/1980EP0007098A1 Method for the preparation of crystalline aluminosilicate zeolites
01/23/1980EP0007063A1 Process and device for the manufacture of polycrystalline silicon
01/22/1980CA1070182A1 Vesiculated silica microspheres containing inorganic pigment
01/22/1980CA1070083A1 Lewis acid-fluorine compounds of carbon
01/22/1980CA1070055A1 Pigmented microporous silica microspheres
01/15/1980CA1069671A1 Process for utilizing ferrophosphorus
01/09/1980EP0006618A1 Use of aluminium silicate granules as cation exchangers
01/09/1980EP0006593A1 Process for producing tobermorite and ettringite
01/09/1980EP0006202A1 Process for the preparation of waterglass
01/08/1980CA1069482A1 Production of montmorillonite material having good environmental and ecological properties
12/1979
12/25/1979CA1068669A Process for the production of zeolitic alkali metal aluminosilicates
12/18/1979US4179530 Process for the deposition of pure semiconductor material
12/18/1979US4179431 Precipitated silicic acid granules
12/12/1979EP0005992A1 Method of preparing microfibrous tricalcium silicate dihydrate
12/11/1979US4178347 Process for the simultaneous production of wet process phosphoric acid and sodium silicofluoride
12/11/1979CA1067800A1 Control of oxygen in silicon crystals
12/11/1979CA1067762A1 Organosilane modified metal silicate treated inorganic mineral composition
12/04/1979US4176710 Heat exchangers, silicon halides
11/1979
11/27/1979US4176166 Process for producing liquid silicon
11/27/1979US4176090 Reacting smectite with polymeric cationic hydroxy metal complexes
11/13/1979US4174376 Phosphate rock, ammonium bisulfate, sulfuric acid and water
11/13/1979US4173944 Silverplated vapor deposition chamber
11/13/1979CA1066160A1 Rheological agent for non-aqueous fluid systems
11/06/1979CA1065579A1 Methods of making reactive metal silicide
11/06/1979CA1065576A1 Process for preparing finely-divided refractory powders
10/1979
10/30/1979US4172883 Reacting with silicon tetrafluoride
10/30/1979US4172882 Lithium ion transport compositions
10/23/1979CA1064890A1 Crystalline zeolite, synthesis and use thereof
10/09/1979US4170667 Process for manufacturing pure polycrystalline silicon
10/09/1979CA1064008A1 Process for the preparation of globular silica particles
10/02/1979US4169796 Processing of dicalcium phosphate and sodium montmorillonite
09/1979
09/25/1979US4169129 Sodium storage and injection system