Class / Patent application number | Description | Number of patent applications / Date published |
556478000 | Silicon to carbon bond formed | 31 |
20080275263 | METHOD OF PREPARING ORGANO DIALKYLALKOXYSILANE - The invention relates to the preparation of organodialkylalkoxysilane using a continuous method consisting in bringing an alkanol into continuous contact with an omega-haloalkyl dialkylhalosilane in a countercurrent reactor, such as a plate column or a packed column. The reaction is performed in the aforementioned countercurrent reactor in the presence or absence of a non-reactive solvent with scavenging of the hydrochloric acid formed. The omega-haloalkyl dialkylalkoxysilane thus formed is particularly suitable for use as a starting material for the preparation of organosilicon compounds containing sulphur having general formula (I) by means of sulphidisation reaction on an alkaline metal polysulphide. | 11-06-2008 |
20090030222 | SYSTEMS AND METHODS FOR FUNCTIONALIZING PARTICULATES WITH SILANE-CONTAINING MATERIALS - Systems and methods of functionalizing particulates are provided. A method of functionalizing particulates includes providing particulates to a reactor, fluidizing the particulates in substantial absence of solvents, providing a silane containing material to the fluidized particulates, and reacting the silane containing material with the fluidized particulates to provide silane-functionalized particulates. The silane-functionalized particulates may be utilized in separation media and other industrial applications. | 01-29-2009 |
20090318726 | NEW SILYLSUBSTITUTED 1,2-ALKYNES AND SYNTHESIS OF SILYLSUBSTITUTED 1,2-ALKYNES - New silylsubstituted 1,2-alkynes of the general formula 1 and a new way of synthesis of new and already known silylsubstituted 1,2-alkynes of the general formula 1. The unknown silylsubstituted 1,2-alkynes of general formula 1, in which R | 12-24-2009 |
20100056819 | Process for producing dispersible and conductive Nano Graphene Platelets from non-oxidized graphitic materials - The present invention provides a process for producing nano graphene platelets (NGPs) that are both dispersible and electrically conducting. The process comprises: (a) preparing a pristine NGP material from a graphitic material; and (b) subjecting the pristine NGP material to an oxidation treatment to obtain the dispersible NGP material, wherein the NGP material has an oxygen content no greater than 25% by weight. Conductive NGPs can find applications in transparent electrodes for solar cells or flat panel displays, additives for battery and supercapacitor electrodes, conductive nanocomposite for electromagnetic wave interference (EMI) shielding and static charge dissipation, etc. | 03-04-2010 |
20110118496 | PROCESS FOR PREPARING ALKYLAMINOALKYLALKOXYSILANES - A process for preparing an alkylaminoalkylalkoxysilane of formula (I) R—(NR′)—Y—Si(R | 05-19-2011 |
20110319647 | METHOD OF PRODUCING SILICA PARTICLES - The invention provides a method of producing silica particles, the method including preparing an alkali catalyst solution containing an alkali catalyst in a solvent including an alcohol, at a concentration of from about 0.6 mol/L to about 0.85 mol/L; and supplying tetraalkoxysilane into the alkali catalyst solution, and concurrently supplying an alkali catalyst into the alkali catalyst solution at a rate of from about 0.1 mol to about 0.4 mol per mole of the total amount of supply of the tetraalkoxysilane supplied in one minute. | 12-29-2011 |
20120046488 | SOLVENTLESS PROCESS TO PRODUCE AROMATIC GROUP-CONTAINING ORGANOSILANES - Disclosed herein is a process for producing an aromatic group-containing organosilane, The process includes reacting a reaction mixture comprising an aromatic organic compound of the formula R | 02-23-2012 |
20120083620 | METHOD FOR HYDROSILYLATING - Minimization of byproducts in hydrosilylation reactions is achieved by use of a catalyst system which contains a platinum (O) complex catalyst and an oranic amine oxide and/or hydrate thereof. | 04-05-2012 |
20130060060 | Preparation of Organohalosilanes - A process for preparing organohalosilanes comprising combining hydrogen, a halosilane having the formula H | 03-07-2013 |
20130066096 | Method for Preparing a Diorganodihalosilane - A method of preparing a diorganodihalosilane comprising the separate and consecutive steps of (i) contacting a copper catalyst with a mixture comprising hydrogen gas and a silicon tetrahalide at a temperature of from 500 to 1400° C. to form a silicon-containing copper catalyst comprising at least 0.1% (w/w) of silicon, wherein the copper catalyst is selected from copper and a mixture comprising copper and at least one element selected from gold, magnesium, calcium, cesium, tin, and sulfur; and (ii) contacting the silicon-containing copper catalyst with an organohalide at a temperature of from 100 to 600° C. to form at least one diorganodihalosilane. | 03-14-2013 |
20130310590 | Ligand Synthesis - Compounds 1,3,4-(SiMe | 11-21-2013 |
20150307525 | COMPOSITION FOR FORMING A THIN LAYER WITH LOW REFRACTIVE INDEX, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF A THIN LAYER WITH LOW REFRACTIVE INDEX - To provide a low refractive index film-forming composition for forming a low refractive index film which has a low refractive index, produces a strong antireflection effect, exhibits excellent adhesiveness with respect to a substrate, and is excellent in water repellency or antifouling properties of the coat surface; a production method of the composition; and a method for forming a low refractive index film. The low refractive index film-forming composition is prepared by generating a hydrolysate of (A) a silicon alkoxide by mixing the (A) silicon alkoxide with (B) water, (C) an inorganic acid or an organic acid, and (D) an organic solvent at a predetermined ratio, and mixing the hydrolysate with (E) silica sol, which is obtained by dispersing fumed silica particles in a liquid medium, at a predetermined ratio. | 10-29-2015 |
556479000 | Carbon to carbon unsaturation reduced by addition of a silicon hydride | 7 |
20080287699 | Process for Hydrosilylation - Compounds containing unsaturated carbon-carbon bonds are hydrosilylated with H-silanes or H-siloxanes in the presence of a noble metal catalyst, wherein the water content of the reaction mixture is less than 500 ppm and the noble metal catalyst is supplied as a liquid, and is present in an amount of not more than 50 ppm. | 11-20-2008 |
20100004476 | Hydrosilylation process for gaseous unsaturated hydrocarbons - Organosilicon compounds are prepared by the addition reaction of a gaseous unsaturated hydrocarbon with a silane or siloxane containing at least one silicon-bonded hydrogen atom in the presence of a hydrosilylation catalyst in a liquid reaction medium. In this process the unsaturated hydrocarbon and optionally the silane or siloxane is dispersed into the liquid reaction medium by a jet eductor (also known as a venturi pump) device and the resultant gas-in-liquid dispersion is introduced into a bubble reactor. | 01-07-2010 |
20100267979 | METHOD FOR PRODUCTION OF ORGANOSILICON COMPOUNDS BY HYDROSILYLATION IN IONIC LIQUIDS - Organosilanes are prepared by hydrosilylation of unsaturated organic compounds by monomeric silanes containing at least one silicon bonded hydrogen, in a process wherein an ionic liquid containing a hydrosilylation catalyst is present as one phase, and the reactants are present in at least a second phase. | 10-21-2010 |
20120316356 | METHOD FOR HYDROSILYLATION USING A PLATINUM CATALYST - The selectivity of hydrosilylation of unsaturated organic compounds by Si—H functional organosilicon compounds is improved by use of a silyl polyphosphate ester in conjunction with a platinum hydrosilylation catalyst. | 12-13-2012 |
20140107366 | Hydrosilylation Synthesis of Haloalkylorganosilanes Using Peroxide Promoters - This invention is directed to a process for producing a haloorganoalkoxysilane product comprising reacting an olefinic halide, an alkoxysilane, a catalytically effective amount of ruthenium-containing catalyst; and a reaction-promoting effective amount of a peroxy compound, optionally in the presence of an electron-deficient aromatic compound. | 04-17-2014 |
20150105577 | HYDROSILYLATION METHOD, METHOD FOR PRODUCING ORGANOSILICON COMPOUND, AND ORGANOSILICON COMPOUND - A hydrosilylation method is provided. In this hydrosilylation method, silylation of the carbon atom other than the terminal carbon atom and generation of the by-product isomer by internal migration of the double bond are suppressed without sacrificing the hydrosilylation reactivity, even if an olefin compound having tertiary amine atom which can be a catalyst poison was used. In the hydrosilylation, an olefin compound having carbon-carbon unsaturated bond, and a compound having hydrogensilyl group are reacted in the presence of an acid amide compound, a nitrile compound and an aromatic hydroxyl compound, or an organoamine salt compound, by using catalytic action of platinum and/or its complex compound. | 04-16-2015 |
20150353589 | FIRST ROW METAL-BASED CATALYSTS FOR HYDOSILYLATION - In various embodiments, the invention provides phosphine ligand supported first row metal catalysts with surprising and efficacious catalytic activity for hydrosilylation of pi-bonded substrates. Also provided are methods of using the catalysts of the invention to prepare hydrosilylated compounds. | 12-10-2015 |
556480000 | Magnesium-containing reactant | 4 |
20100048934 | PROCESS FOR PRODUCING FULLERENE DERIVATIVE - The present invention provides a method for producing a fullerene derivative, comprising the organic group addition step B in which an organic group is further added by reacting at least a basic compound and a halogen compound with a fullerene derivative, which is obtained by addition of a hydrogen atom and an organic group in the organic group addition step A, in which an organic group is added by reacting at least a Grignard reagent and a polar substance with a fullerene or fullerene derivative. | 02-25-2010 |
20130172595 | METHOD FOR PREPARING DI-ORGANO-DIALKOXYSILANES - The present invention relates to a method for preparing di-organo-dialkoxysilanes, in particular di-organo-dialkoxysilanes wherein one or both of the organic substituents are bulky. The method comprises reacting a tetraalkoxysilane compound with a first Grignard reagent to form a mono-organo-tri-alkoxysilane compound, which is then reacted with a chlorinating agent to form a chlorinated mono-organo-di-alkoxysilane which is then reacted with a second Grignard reagent to form the di-organo-di-alkoxysilane compound. | 07-04-2013 |
20150141689 | Method Of Producing An Organic Silicon Compound - A method of producing an organic silicon compound includes a step of reaction of the following: (A) a reactive silane compound represented by General Formula (1) below: R | 05-21-2015 |
20160031917 | A METHOD OF PREPARING DIALKYL-, DIARYL-, AND ALKYLARYL-DIHALOSILANES WITH HIGH SELECTIVITY IN A GRIGNARD COUPLING REACTION - A method of making a diakyl-, diaryl-, or alkylaryl-dihalosilane in a Grignard coupling reaction with a high degree of selectivity is provided. More specifically, a Grignard reagent comprising an alkyl- or aryl-magnesium halide is allowed to react with an alkyl- or aryl-trihalosilane precursor or reagent to produce a product mixture of R | 02-04-2016 |
556481000 | By substitution of silicon bonded hydrogen | 8 |
20080275264 | PROCESS FOR THE PREPARATION OF HALOGENOALKYLDIALKYL CHLOROSILANE - The present invention relates to a process for the preparation of 3-chloropropyldimethylchlorosilane by hydrosilylation reaction in a reaction medium comprising dimethylhydrochlorosilane and allyl chloride, in the presence of a catalytically effective amount of di-μ-chlorobis(η-1,5-cyclooctadiene)diiridium, the said process being characterized in that at least one auxiliary in the free or supported state selected from the group of compounds consisting of:
| 11-06-2008 |
20080287700 | Method for Preparing an Omega-Haloalkyl Dialkylhalosilane - The present invention relates to a method for preparing an omega-haloalkyl dialkylhalosilane by means of a hydrosilylation reaction in the presence of a catalytically effective amount of a hydrosilylation catalyst containing a platinum group metal. The catalytic metal is recovered by (i) subjecting the distillation residue to controlled hydrolysis to release the gaseous H-Hal haloacid, and providing an aqueous medium containing the catalytic metal with a low hydrolysable halide content Si-Hal=2%, expressed by weight of Hal, then (2i) recovering the platinum group catalytic metal from said aqueous medium by means of one of the conventional techniques specific to catalyst manufacturers that do not use a solid adsorbent and operate in ordinary facilities that do not have to be acid-resistant. | 11-20-2008 |
20110130585 | METHOD OF PREPARING ALLYLCHLOROSILANE DERIVATIVE - Provided is a method of preparing allylchlorosilane, and more particularly, a method of preparing allylchlorosilane with high yield by Si—C coupling reaction of an allyl chloride derivativce with a hydrosilane derivative under specific reaction conditions without using a catalyst. | 06-02-2011 |
20120101291 | PROCESS FOR PREPARING POLYSILANES - The invention provides a process for preparing polysilanes of the general formula (1) Si | 04-26-2012 |
20120296106 | PROCESS FOR PREPARING ORGANOSILANES - The invention relates to a process for preparing diorganyldihalosilanes of the general formula (1) R | 11-22-2012 |
20140121398 | [3-(2-NORBORNYL)-2-NORBORNYL]SILANE COMPOUND AND MAKING METHOD - A [3-(2-norbornyl)-2-norbornyl]silane compound having formula (1) is novel, wherein R | 05-01-2014 |
20140221678 | ORGANOSILICON COMPOUND HAVING CONJUGATED DIENE STRUCTURE AND MAKING METHOD - The invention provides a conjugated diene structure-containing organosilicon compound having formula (1): | 08-07-2014 |
20140330036 | SATURATED AND UNSATURATED SILAHYDROCARBONS VIA IRON AND COBALT PYRIDINE DIIMINE CATALYZED OLEFIN SILYLATION - The present invention relates to processes for the synthesis of saturated and unsaturated silahydrocarbons using iron-containing or cobalt-containing catalysts. The processes of the invention can produce tetraalkylsilanes, phenyltrialkylsilanes, substituted phenyltrialkylsilanes and their mixtures, which are useful as lubricants and hydraulic fluids, as well as alkyl alkenylsilanes, phenyl alkenylsilanes and substituted phenyl alkenylsilanes and their mixtures, which are useful in the synthesis of saturated silahydrocarbons and other organofunctional silanes. | 11-06-2014 |