Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
12/1977
12/13/1977US4062714 Process for making hollow silicon bodies and bodies utilizing board-shaped members to form the basic geometric shape so made
12/06/1977US4061717 Directed crystallization of synthetic aluminosilicates
11/1977
11/29/1977US4060590 Isomerization of xylenes
11/29/1977US4060586 Recovery of fluorides from gypsum
11/29/1977US4060568 Silica-modified zeolite catalyst and conversion therewith
11/22/1977US4059680 Silica and hydrogen fluoride, combustion of fluosilicic acid
11/22/1977US4059679 Modified zirconium phosphates
11/08/1977US4057614 Process for producing sodium fluoride from sodium silicofluoride
11/08/1977US4057525 Melamine resin, acrylic resin
11/08/1977US4057512 Alkali metal catalyst recovery system
11/01/1977US4056634 Dimercaptoethyl ether sulfonium compounds and use as antiinflammatory and antirheumatic agents
11/01/1977US4056388 Process for utilizing ferrophosphorus
10/1977
10/25/1977US4055622 Process for the production of zeolitic alkali metal aluminosilicates
10/18/1977US4054708 Film of pyrolytic graphite having bi-directional reinforcing properties
10/18/1977US4054641 Melting silicon, mixing carbon dioxide to form silicon monoxide, oxidation
10/18/1977US4054537 Process for synthesizing compositions containing smectite-type clays and gellants produced thereby
10/18/1977US4054536 Preparation of aqueous silica sols free of alkali metal oxides
10/11/1977US4053565 Silica xerogels
10/11/1977US4053493 Microstructure, thermal stability, thixotropy
09/1977
09/27/1977US4051115 Catalytic reaction of silicoformic acid, silicic acid and lignin
09/27/1977US4050964 Growing smooth epitaxial layers on misoriented substrates
09/20/1977US4049891 Compositions for fast alkali-metal-ion transport
09/20/1977US4049781 Adding alkali metal silicate solution to ammoniated gelling solution
09/20/1977US4049780 Production of magnesium silicates
09/13/1977US4048290 Process for the production of finely-divided metal and metalloid oxides
09/06/1977US4046860 Ammonium fluoride process for defluorinating phosphoric acids and production of ammonium fluosilicate
08/1977
08/30/1977US4045241 Synthetic taeniolite and process of producing the same
08/30/1977US4045240 Amorphous precipitated siliceous pigments and methods for their production
08/23/1977US4044109 Process for the hydrochlorination of elemental silicon
08/23/1977US4043323 Medical instrument attached to an endoscope
08/16/1977US4042482 Substituted lithium orthosilicates and solid electrolytes therefrom
08/09/1977US4041136 Process for the production of silane
08/09/1977US4041135 Production of high capacity inorganic crystalline base exchange materials
08/09/1977US4041127 Method of treating the fluorine-containing mud produced by the acid polishing of lead glass so as to form basic lead carbonate
08/09/1977US4040974 Synthesized gellants containing smectite-type clay and process for producing same
08/09/1977US4040895 Control of oxygen in silicon crystals
08/09/1977US4040858 Preparation of precipitated silicas having controlled refractive index
08/02/1977US4039625 Beneficiation of olivine foundry sand by differential attrition grinding
07/1977
07/26/1977US4038371 Tetraalkyl urea catalyst
07/26/1977US4038370 From high-purity silane
07/26/1977US4038098 Amorphous precipitated siliceous pigments for cosmetic or dentrifice use and methods for their production
07/19/1977US4037019 Dielectric and corrosion resistant coated silicon steel
07/19/1977US4036938 Production of high purity hydrogen fluoride from silicon tetrafluoride
07/19/1977US4036933 Highly-active, finely divided super-dry silicon dioxide
07/05/1977US4034058 Method for producing synthetic sodium aluminosilicate ion-exchange material from calcined kaolin clay
07/05/1977US4033858 Cracking hydrocarbons over laminar heavy metal aluminosilicates
06/1977
06/21/1977US4031193 Process for preparing calcium fluoride from hexafluoro silicic acid
06/21/1977US4031024 Process for improving the stability and shaping of anhydrous sodium metasilicate, and the compositions containing same, and the resulting products
06/21/1977US4030966 Method of hydrothermally growing quartz
06/14/1977US4029736 Processing pearlite to obtain metal silicates
06/14/1977US4029514 Method of precipitating microfine silica using phosphate
05/1977
05/31/1977US4027074 Process for producing ferroelectric crystalline material
05/31/1977US4026997 Process for the production of ammonium fluoride from fluosilicic acid
05/17/1977US4023520 Reaction container for deposition of elemental silicon
05/10/1977US4022873 Silicoformic acid, sodium-potassium-lithium-cesium cyanide
05/10/1977US4022872 Process for preparing finely-divided refractory powders
05/10/1977US4022704 Production of spray dried, high bulk density hydrous sodium silicate mixtures
05/10/1977US4022615 Agglomerates of silicon and silicon base alloy particles
05/10/1977US4022152 Apparatus for making particulate materials, particularly oxides, hydrophobic
04/1977
04/26/1977US4020259 Process for the polymerization of allyl halides
04/19/1977US4018871 To dichlorosilane, n-substituted-a-pyrrolidone catalyst
04/19/1977US4018616 Water glass composition
04/12/1977US4017310 Adding carbon and strontium oxide, carbonate, or sulfate
04/05/1977US4016246 Manufacture of synthetic zeolites
04/05/1977US4016188 Catalytic
04/05/1977US4015996 Amorphous precipitated siliceous pigments
03/1977
03/29/1977US4015031 Process for hydrophobizing silicas and silicates with organosilanes
03/22/1977US4013589 Alumina catalysts
03/15/1977US4012217 Bending silicon rods into U-shapes
03/08/1977US4011302 Process for preparing highly absorbent, low bulk density sodium silicate
03/08/1977US4011096 Opacifiers for coatings and fillers for paper
03/01/1977US4010242 Uniform oxide microspheres and a process for their manufacture
03/01/1977US4010064 Controlling the oxygen content of Czochralski process of silicon crystals by sandblasting silica vessel
02/1977
02/22/1977US4009092 Substituted lithium phosphates and solid electrolytes therefrom
02/15/1977US4008130 Method for distilling a ternary azeotrope of fluorosilicic acid, hydrogen fluoride and water
02/08/1977US4007134 Zeolite molecular sieve
02/08/1977US4007050 Hydrophobic oxides of metals and for metalloids
02/01/1977US4006175 Porous silicic acid and its production
01/1977
01/18/1977US4003981 Process of making superfine amorphous high structure silicic acid
01/11/1977US4002590 Coating composition for thick coating
01/04/1977US4001762 Thin film resistor
01/04/1977US4001379 Process of making superfine amorphous high structural silicic acid
12/1976
12/21/1976US3998751 Reacting an alkali metal silicate with an oxidant
12/07/1976US3996399 Process for improving the stability and shaping of anhydrous sodium metasilicate, and the products, and compositions containing same
11/1976
11/30/1976US3994740 Shaped bodies of alumina and silica
11/23/1976US3993737 Process for the production of silicoformic acid
11/23/1976US3993590 Better wear and crushing strength
11/23/1976US3993589 Preparation of spheroidal silico-alumina particles
11/23/1976US3993497 Coating compositions containing precipitated silica
11/16/1976US3992220 Compound of a calcium trisulfoaluminate base, and process for its manufacture
11/16/1976US3992217 Hydration, carbonation
11/16/1976US3992159 Process for purification by cryogenic sublimation
11/09/1976US3990953 Silicon electrodeposition
11/02/1976US3989512 Plasma heat treatment means and method
10/1976
10/26/1976US3988282 Quick-curing water resistant silica-alkali metal coatings and processes therefor
10/26/1976US3988162 Amorphous precipitated silica products and method for their production
10/12/1976US3985947 Device and method for crucible-free zone melting of crystallizable rods in particular semiconductor rods
10/05/1976US3984526 Method of manufacturing aqueous solutions of alkali polysilicates
10/05/1976US3984349 Modified porous bodies
09/1976
09/21/1976USRE28974 High heat combustion of hydrocarbon gas