Patents
Patents for C01B 33 - Silicon; Compounds thereof (28,579)
06/1988
06/29/1988EP0272777A2 Addition of calcium compounds to the carbothermic reduction of silica
06/29/1988EP0272380A2 Precipitation silica, preparation and use thereof
06/29/1988EP0272306A1 Oligomerization of olefins.
06/28/1988US4753974 Controlling particle size, high shear mixing
06/28/1988US4753909 Aluminu, zirconium and cerium oxide bridges
06/28/1988US4753818 Process for photochemical vapor deposition of oxide layers at enhanced deposition rates
06/28/1988US4753787 Method and structure for forming a reaction product
06/28/1988US4753783 Reacting sodium fluosilicate with sodium
06/28/1988CA1238472A1 Process for preparing chlorosilanes from silicon and hydrogen chloride using an oxygen promoter
06/22/1988EP0271575A1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis.
06/22/1988EP0271563A1 Layered silicates and their synthesis.
06/21/1988US4752862 Electronic device
06/21/1988US4752459 Preparation of porous bodies
06/21/1988US4752458 Adding acid and alginate starch, gelatin and/or pectin to silicates
06/21/1988US4752342 Reacting smectite with quaternary ammonium compound, controlling ph with electrophilic substituted amino compound
06/21/1988CA1238177A1 Process for disproportionating silanes
06/16/1988DE3739895A1 Process and apparatus for producing highly pure silicon
06/15/1988EP0270659A1 Layered metal oxides containing interlayer oxides and their synthesis.
06/15/1988EP0270650A1 Synthetic alkali metal alumino-silicates, methods and uses, compositions and their methods of preparation.
06/15/1988CN87106208A Process for making uniform size porous silica spheres
06/14/1988US4751067 Process for making silicon from halosilanes and halosilicons
06/14/1988CA1237870A1 Spray-dried inorganic oxides from non-aqueous gels or solutions
06/08/1988EP0270314A2 Reactive organo-clay compounds and derivatives thereof
06/07/1988US4749676 Process for the preparation of a crystalline, swellable sheet silicate of the saponite type
06/02/1988WO1988003869A1 Process for surface treating clay minerals and resultant products
06/01/1988EP0269385A2 Process for manufacture of composite oxide
06/01/1988EP0268763A2 Preparation for the care of the teeth
06/01/1988EP0268756A2 Process for preparing disilane from monosilane
06/01/1988CN87105671A Process for preparing halosilanes
05/1988
05/31/1988US4748052 Fluid bed reactor and process
05/31/1988US4748014 Process and apparatus for obtaining silicon from fluosilicic acid
05/31/1988US4747906 Process and apparatus for purifying silicon
05/31/1988US4747863 Method of manufacturing glass bodies
05/24/1988US4746752 Quaternary or tertiary amine catalyst
05/24/1988US4746632 Fluormica, fluoramphibole, canastite, fluorrichterite, fluorapatite or spodumene with molybdenum, tun-sten and-or arsenic oxide glass fibers
05/24/1988CA1236968A1 Metal borides, carbides, nitrides, silicides, oxide materials and their method of preparation
05/18/1988EP0267341A1 Process for the preparation of resin composition comprising organoclays of improved dispersibility
05/18/1988EP0112385B1 Apparatus and process for making solar grade silicon
05/18/1988CN86108237A Resin compositions comprising organoclays of improved despersibility
05/18/1988CN86104705A Process for producing amorphous superfine silica powder from husk and straw
05/17/1988US4744973 Boron, silicon, zirconium polymerized
05/17/1988CA1236679A1 Method of producing an aluminium boride
05/11/1988EP0266825A1 Synthetic, crystalline, porous material containing oxides of silicon, titanium and gallium
05/11/1988EP0266758A2 Preparation of silane and amine alanes
05/11/1988CN86107192A Industrialized production method for white carbon black from rice hust
05/10/1988US4743437 Zeolite Nu-13 and process for its preparation using piperazine compounds
05/10/1988US4743344 Treatment of wastes from high purity silicon process
05/10/1988US4743305 Organoclays
05/04/1988EP0266105A2 Production of ceramic materials
05/04/1988EP0266104A2 Production of ceramic materials
05/03/1988US4742098 Organophilic clay gellants and process for preparation
05/03/1988US4742039 Adsorbents based on phyllosilicic acids which have been modified so as to be organophilic
05/03/1988US4742033 Cracking catalysts comprising pillared clays
05/03/1988CA1236047A1 Preparation of alkali metal silicates
04/1988
04/27/1988EP0265101A2 Biocidal thickening additive for an organic composition
04/27/1988EP0264722A2 Process for preparing amorphous silicon
04/26/1988CA1235685A1 Process for preparing discrete, zeolite-containing particles
04/20/1988EP0264045A2 Process for refining silicium and silicium purified in such a way
04/19/1988US4738839 Process for the preparation of precipitated silica
04/19/1988US4738838 Silica base for dentifrice and process for its preparation
04/19/1988US4738356 Container for aggressive liquids
04/13/1988EP0263544A1 Process for the production of a powder for ceramic materials, containing at least one metal oxide, and a powder of at least one metal oxide obtained by this process
04/12/1988US4737348 Apparatus for making molten silicon
04/12/1988US4737306 Mixed crystal system
04/05/1988CA1234680A1 Method of making a densified silicon nitride/oxynitride composite
03/1988
03/30/1988EP0261744A2 Cordierite compostion and method of production
03/29/1988US4734297 Pyrolysis of monosilane; semiconductors
03/23/1988EP0260424A1 Process for the preparation of silicium of low carbon content
03/23/1988CN87105159A Oligomerization of olefins
03/22/1988US4732747 Magnesium silicate compositions and process for making
03/22/1988US4732556 Apparatus for synthesizing and densifying materials using a shape memory alloy
03/22/1988EP0131586A4 Process and apparatus for obtaining silicon from fluosilicic acid.
03/16/1988EP0260063A2 Synthesis of inorganic crystalline fibers
03/09/1988EP0258818A2 Process for melting silicium powders in a crucible, and crucible used in the process
03/09/1988CN87105160A Layered metal oxides containing interlayer oxides and their synthesis
03/09/1988CN87105158A Layered metal chalcogenides containing interspathic polymeric chalcogenides
03/09/1988CN87104032A Making process of silica base particle and application of reinforced filler as elastic object thereof
03/08/1988CA1233621A1 Battery separator
03/02/1988EP0258027A2 Preparation of polysilicon by silane pyrolysis
03/02/1988EP0257432A2 Vinyl chloride resin composition
03/01/1988US4728439 Ion exchange
02/1988
02/24/1988EP0256876A2 A process for preparing halosilanes
02/24/1988EP0256771A2 Silica-magnesia catalyst base
02/24/1988EP0256185A1 Multimetallic pillared interlayered clay products and processes of making them
02/24/1988EP0256065A1 Layered crystalline aluminosilicate and a method for its preparation.
02/24/1988CN87105161A Layered metal oxides containing interlayer oxides and their synthesis
02/17/1988EP0255877A2 Method for dehalogenation of a halide and catalyst used therefor
02/17/1988CN87105162A Layered silicates and their synthesis
02/16/1988US4725420 Using catalyst of quaternary phosphonium salt bonded to polymer
02/16/1988US4725419 Silane production from magnesium hydride
02/11/1988WO1988000985A1 Process for photochemical vapor deposition of oxide layers at enhanced deposition rates
02/11/1988WO1988000877A1 Process of making uniform size porous silica spheres
02/10/1988EP0255702A2 Process for preparing fine particles of metal oxides
02/09/1988US4724122 Method for treating activated silicon powder
02/09/1988US4724098 Gel-forming organophilic layer silicate, process for its preparation and use
02/03/1988EP0255360A2 Quartz crystal for surface acoustic wave device
02/03/1988EP0255321A2 Process of making uniform size porous silica spheres
02/03/1988EP0255000A2 Silica aerogels and dentifrice compositions
01/1988
01/27/1988EP0254349A2 Process for the production of silicon tetrafluoride
01/26/1988US4721696 Hydrorefining catalysts