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| Number | Title | Issue Date |
| 7332620 | Process for the preparation of silicone oils carrying a group comprising at least one hydrocarbon-comprising ring in which is included an oxygen atom Process for the preparation of a functionalized silicone oil by hydrosilylation of synthons in the presence of at least one organohydrosilicon compound, characterized in that: (1) the synthons hydrosilylated with the organohydrosil... | 02/19/2008 |
| 7307179 | Process for preparing cyclic organohydrogensiloxanes A process for preparing cyclic organohydrogensiloxanes is disclosed. The process comprises the steps of (A) and (B). Step (A) comprising contacting a silane of the formula RHSiCl2, where R is selected from alkyl radicals having 1 to 12 carbon atoms and ar... | 12/11/2007 |
| 7300995 | Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing... | 11/27/2007 |
| 7169873 | Silsesquioxane derivatives and process for production thereof The present inventors have obtained a PSQ derivative of a completely condensed type into which a functional group is readily introduced by using a novel PSQ derivative of an incompletely condensed type in which four alkaline metal atoms are bonded to silsesquioxane ... | 01/30/2007 |
| 7148370 | Process for synthesis of diorganosilanes by disproportionation of hydridosiloxanes The present invention provides a novel method for the preparation of diorganosilanes by disproportionation of a hydridosiloxanes comprising at least one terminal SiH group and at least one siloxane bond in the presence of Lewis acid catalysts. The reaction is both s... | 12/12/2006 |
| 7129311 | Additives to prevent degradation of alkyl-hydrogen siloxanes An organohydrosiloxane composition comprising: a) one or more organohydrosiloxane compounds, each having at least one [—HSiR—O—] unit, wherein R═C1–C18 linear, branched, or cyclic alkyl, C1 | 10/31/2006 |
| 7101643 | Polymeric electrolytes based on hydrosilyation reactions New polymer electrolytes were prepared by in situ cross-linking of allyl functional polymers based on hydrosilation reaction using a multifunctional silane cross-linker and an organoplatinum catalyst. The new cross-linked electrolytes are insoluble in organic solven... | 09/05/2006 |
| 7101948 | Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing... | 09/05/2006 |
| 7045586 | Adhesives having improved chemical resistance and curable silicone compositions for preparing the adhesives This invention relates to a composition that can be cured to form an adhesive. The adhesive is useful in the electronics industry. The composition is prepared by mixing components including: (I) a polyorganosiloxane having an avera... | 05/16/2006 |
| 7030259 | Process for the preparation of silicone compounds A process for preparing a silicone compound, the process comprising reacting (A) a silicon compound having silicon-bonded alkoxy groups or silicon-bonded aryloxy groups and (B) a disiloxane in the presence of (C) a carboxylic acid, (D) an acid catalyst, and (E) a ca... | 04/18/2006 |
| 6949666 | Process for producing polyorganosiloxane with solid-acid zirconium oxide catalyst The method for producing polyorganosiloxane from at least one type of organosilicon compound having a siloxane unit or alkoxysilane by the equilibrating reaction involving cleavage and recombination of the silicon-oxygen bond as a method carried out in the presence ... | 09/27/2005 |
| 6875881 | Preparation of branched tetrasiloxane A branched tetrasiloxane is prepared by preforming a liquid mixture of a disiloxane compound, an alcohol and an acid catalyst, adding a trialkoxysilane compound to the mixture for reaction, and adding water to the reaction mixture for co-hydrolysis, thereby forming ... | 04/05/2005 |
| 6864311 | Composition (e. g. ink or varnish) which can undergo cationic and/or radical polymerization and/or crosslinking by irradiation, based on an organic matrix, a silicone diluent and a photoinitiator The invention aims at improving such compositions by proposing a non-toxic diluent harmless to reactivity and by making these compositions translucent, free from metallic impurities and capable of constituting light-polymerisable varnish with good properties of duct... | 03/08/2005 |
| 6858697 | Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing... | 02/22/2005 |
| 6828404 | Polymerizable siloxanes A process for the preparation of an alkoxysilyl siloxane substituted with at least one epoxy, vinyl ether, 1-propenyl ether, acrylate or methacrylate group comprises selectively reacting a hydrosilane compound with a compound containing a vinyl or allyl group and a ... | 12/07/2004 |
| 6812311 | Highly stable packaging substrates A method of producing a highly stable packaging substrate in which are provided a first precursor having a first backbone and a first ethynyl group, and a second precursor having a second backbone and a second ethynyl group. Furthermore provided is a crosslinker hav... | 11/02/2004 |
| 6790451 | Cosmetic material A cosmetic material comprising as essential cosmetic constituents (A) a silicone-branched silicone compound and (B) a silicone-branched polyether-modified silicone compound. ... | 09/14/2004 |
| 6787662 | Fluorinated organosilicon compounds Fluorinated organosilicon compounds having perfluoroalkyl or perfluorooxyalkyl radicals and at least four SiH radicals are highly compatible with base polymers having high fluorine contents and useful as a crosslinking agent therefor to produce addition cured rubber... | 09/07/2004 |
| 6787625 | Polyorganosilsesquioxane and process for preparing the same Provided are polyorganosilsesquioxane and process for preparing the same. The polyorganosilsesquioxane is obtained by various methods including polymerization of 1,3-diorganosiloxane, a precursor that is prepared by using silane compounds as starting materials. The ... | 09/07/2004 |
| 6784306 | Fluorinated organosilicon compounds Fluorinated organosilicon compounds having at least one fluorinated organic group and at least three SiH groups in a molecule are capable of hydrosilylation reaction with such compounds as vinyl group-bearing fluoro-polymers in a stable manner and fully compatible t... | 08/31/2004 |
| 6759094 | Branched organosiloxane (co)polymers and their use as antimisting additives for silicone coating compositions Branched organosiloxane (co)polymers comprising the structural elements of the formula Y[—CnH2n—(R2SiO)m—Ap—R2Si—G]x (I) where Y is a tri- to ... | 07/06/2004 |
| 6669949 | Siloxane-containing oil compositions with good spreading properties This invention relates to asymmetrical, substituted polysiloxanes which show good compatibility in a variety of oils and improve the spreading behavior of oil-based formulations, to a process for preparing these asymmetrical polysiloxanes and to oil formu... | 12/30/2003 |
| 6642403 | Silicon-based blocking agents suitable for fluorous phase synthesis This invention relates to a series of fluoroalkylsilane compounds of formula I. ##STR1## These compounds are silylation reagents which enhance the solubility of the silylated products in fluorocarbon solvents for preferred use in fluorous phase synth... | 11/04/2003 |
| 6596892 | Preparation of low molecular weight branched siloxanes A low molecular weight branched siloxane, typically methyltris(trimethylsiloxy)silane is effectively prepared in high yields by reacting a trichlorosilane, typically methyltrichlorosilane with a disiloxane, typically hexamethyldisiloxane in the presence o... | 07/22/2003 |
| 6545115 | Process for preparing a stable silicone oil containing SiH groups and hydrosilylable functions The invention concerns a novel method for preparing stable silicone fluid containing .ident.SiH groups. The preparation method is carried out from a first silicone fluid containing .ident.SiH groups and monomers with both a functional group and a group ca... | 04/08/2003 |
| 6534614 | Process for the production of linear organohydrogensiloxanes A process for preparing linear organohydrogensiloxanes. The process comprises contacting an organohydrogendichlorosilane in the presence of trimethylchlorosilane with water to form an M-stopped hydrolyzate. The hydrolyzate is optionally preheated prior to... | 03/18/2003 |
| 6518371 | Crosslinking agents A polyorganosiloxane containing the units (HR2 Si--O1/2) HM units, (Si--O4/2) Q units, (R1 Si--O3/2) T units and (R2 Si--O2/2) D units in a ratio of from 2:1:0:0 to 6:4:2:2, or (... | 02/11/2003 |
| 6447846 | Electrically insulating thin-film-forming resin composition and method for forming thin film therefrom An electrically insulating thin-film-forming resin composition comprising (A) a hydrogen silsesquioxane resin, (B) a solvent-soluble polymer, and (C) a solvent; and a method for forming an electrically insulating thin film therefrom.... | 09/10/2002 |
| 6425600 | Silicone rubber composition for coating air bags Silicone rubber compositions comprising (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups, (B) finely divided silica, (C) an adhesive component, (D) a silicone-soluble organopolysiloxane resin component bearing at least one alken... | 07/30/2002 |
| 6406793 | Addition-reaction silicone pressure sensitive adhesive composition A silicone pressure sensitive adhesive composition utilizing addition reaction between alkenyl groups of alkenyl group-containing diorganopolysiloxanes and SiH groups of organohydrogenpolysiloxanes, which comprises (A) diorganopolysiloxanes containing alk... | 06/18/2002 |
| 6376601 | High-refractive-index optical silicone oil and high-refractive-index optical silicone oil mixture A high-refractive-index optical silicone oil comprising a pentasiloxane having the formula RMe2 SiO(Me2 SiO)3 SiMe2 R wherein Me is methyl, each R is independently a C8 to C12 aralkyl, and ... | 04/23/2002 |
| 6359096 | Silicone resin compositions having good solution solubility and stability Soluble silicone resin compositions having good solution stability and a method for their preparation. The silicone resin comprises the reaction product of a mixture comprising (A) 15-70 mol % of a tetraalkoxysilane described by formula Si(OR1)... | 03/19/2002 |
| 6359097 | Functionalized polyorganosiloxanes and one of the processes for the preparation thereof The present invention relates to multifunctionalized polyorganosiloxanes comprising, per molecule at least one functional siloxy unit Y having C1-C.sub.5 alkoxy radical and at least one other functional siloxy unit W having an halogenated or po... | 03/19/2002 |
| 6353074 | Method for manufacturing hydrogen-silsesquioxane resin The present invention pertains to a method for manufacturing a hydrogen-silsesquioxane resin in which a solution of HSiCl3 in a halogenated hydrocarbon solvent which can dissolve the organic sulfonic acid described below and which does not reac... | 03/05/2002 |
| 6307081 | Hyperbranched polymers and methods for the preparation, cure, and stabilization thereof This invention relates to a macromonomer and a method for its preparation. The macromonomer has one or more silicon-bonded hydrogen atoms at one molecular chain terminal, and one or more aliphatically unsaturated silicon-bonded organic groups at the other... | 10/23/2001 |
| 6303729 | Process for preparing partially added cyclic organohydrogensiloxane A partially added cyclic organohydrogensiloxane is prepared in high yields by mixing (A) a cyclic organo-hydrogensiloxane having at least two Si--H bonds with (B) a cyclic or acyclic organic unsaturated compound having an aliphatic unsaturated double bond... | 10/16/2001 |
| 6294634 | Organosilicon compositions from cyclosiloxanes A method of preparing organosilicon compositions by heating various mixtures of (i) dimethylcyclosiloxanes or methylhydrogencyclosiloxanes, (ii) homopolymeric and copolymeric cyclosiloxanes containing a C5 or more carbon atom containing group, and (iii) h... | 09/25/2001 |
| 6284906 | Cyclotrisiloxanes, new siloxane polymers and their preparation This invention relates to methods for the preparation of hyperbranched siloxane polymers by anionic polymerization of a cyclotrisiloxane having the functional group Si--OH, and for the preparation of linear siloxane polymers by cationic or anionic polymer... | 09/04/2001 |
| 6271331 | Functionalized polyorganosiloxanes and one of the processes for the preparation thereof The present invention relates to multifunctionalized alkoxy, the alkoxy functionality Y being introduced onto a suitable polyhydroorganosiloxane by a dehydrogenation/condensation reaction from the alcohol from which Y derives and then the functionality W ... | 08/07/2001 |
| 6265518 | Organosilicon endcapper having one silicon-bonded hydrogen atom An organosilicon compound comprising one silicon-bonded hydrogen atom described by formula ##STR1## or by formula ##STR2## where each R1 and R1' is an independently selected hydrocarbon radical free from aliphatic unsaturation c... | 07/24/2001 |
