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| Number | Title | Issue Date |
| 7268201 | Insulating-film forming material and insulating film using the same A polymer having a repeating unit represented by formula (I) is used for an insulating-film forming material and an insulating film. wherein R1 to R7 each are a monovalent hydrocarbon group,... | 09/11/2007 |
| 7226502 | High softening temperature synthetic alkylsilicone wax A method for making high softening point linear and cyclic alkylsilicone waxes includes reacting a C30+ alpha olefin wax with a silicone hydride polymer in the presence of a catalyst. The high softening point linear and cyclic alkylsilicone waxes have softening poin... | 06/05/2007 |
| 7192684 | Polymerizable silicon-containing compound, manufacturing method, polymer, resist composition and patterning process Polymerizable silicon-containing compounds of formula (1) wherein R1 is hydrogen, halogen or monovalent organic group are polymerized into polymers. A resist composition comprising the polymer as a base resin is sensitive to high-energy radiation, has exc... | 03/20/2007 |
| 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 |
| 7001463 | Polish compositions A polish composition includes a siloxane polymer of the formula wherein each group A independently represents an alkyl group having up to 6 carbon atoms, M represents an alkyl group having up to 6 carbon atoms and Q rep... | 02/21/2006 |
| 6972312 | Process for the formation of polyhedral oligomeric silsesquioxanes Three processes for the manufacture of polyhedral oligomeric silsesquioxanes (POSS) which utilize the action of bases that are capable of either attacking silicon or any compound that can react with a protic solvent (e.g. ROH, H2O etc.) and generate hydro... | 12/06/2005 |
| 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 |
| 6943264 | Preparation of branched siloxane By reacting a branched siloxane compound of formula (2) containing compounds of formula (1) as an impurity with a disiloxane compound of formula (3) in the presence of an acid compound, there is prepared a branched siloxane of formula (2) containing a reduced level ... | 09/13/2005 |
| 6911514 | Relining for prostheses and process for the manufacturing thereof In order to provide a relining for prosthesis and a process for the manufacturing thereof with improving the performance of the relining and the application-technical characteristics of the individual components as compared with the state of the art, it is proposed ... | 06/28/2005 |
| 6794444 | Silicone emulsion composition adherent to plastic film substrates and release film A silicone emulsion composition of the addition reaction curing type comprising a major proportion of an organopolysiloxane containing at least two alkenyl radicals and T units and having a viscosity of 5-100 mPa·s, a minor proportion of another organopolysiloxane ... | 09/21/2004 |
| 6774202 | 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 an organosilanetriol as starting materials. The polyorganosilsesquioxane has convenience in handling and... | 08/10/2004 |
| 6599976 | Coating process and silicon-containing liquid composition The present invention relates to a silicon-containing liquid composition comprising (A) 100 parts by weight of an organosilicate, calculated as SiO2, (B) 0.1 to 10 parts by weight of a catalyst, (C) 100 to 50,000 parts by weight of water, and (... | 07/29/2003 |
| 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 |
| 6417310 | Method for preparing branched organopolysiloxane A branched organopolysiloxane is prepared by polymerizing an organopolysiloxane mixture of a branch unit-containing organopolysiloxane and a low molecular weight organopolysiloxane in the presence of an acidic or basic catalyst, or by adding a surfactant ... | 07/09/2002 |
| 6376635 | Oligosiloxane and method of preparing same An oligosiloxane having the formula (R1 O)a Si(OSiR22 R3)4-a wherein R1 is alkyl; each R2 is independently selected from C1 to C10 monovalent hydrocar... | 04/23/2002 |
| 6284858 | Silicone compounds and process for producing the same This invention relates to silicone compounds in which terminal SiO of cage-type and/or ladder-type polyphenylsilsesquioxanes is wholly or partly linked to a triorganosilyl group containing reactive functional group X and also relates to a process for prep... | 09/04/2001 |
| 6252030 | Hydrogenated octasilsesquioxane-vinyl group-containing copolymer and method for manufacture A method for manufacturing an organic solvent-soluble hydrogenated octasilsesquioxane-vinyl group-containing compound copolymer comprising reacting 1 mol of (A) a hydrogenated octasilsesquioxane described by formula I ##STR1## with 0.2 to less than 3... | 06/26/2001 |
| 6214961 | Method of producing branched silicone oil A method of producing a branched silicone oil which comprises mixing 100 parts by weight of an organopolysiloxane represented by the following formula (I) and/or an organopolysiloxane represented by the following formula (II) with 0.1 to 100 parts by weig... | 04/10/2001 |
| 6107505 | Process for production of polyorganosiloxane The present invention discloses a process for producing a polyorganosiloxane, which comprises adding an organochlorosilane to a uniform mixture comprising water and at least one kind of alcohol, to subject the organochlorosilane to a hydrolysis and conden... | 08/22/2000 |
| 6063889 | Liquid organopolysiloxane resins, a process for their preparation, low viscosity polydiorganosiloxane compositions containing liquid organopolysiloxane resins and their use Novel liquid organopolysiloxane resins of the average composition [R1 Si(CH3)2 O1/2 ]a [(CH3)3 SiO1/2 ]b [R2 O1/2 ]c [R1 S... | 05/16/2000 |
| 5929186 | Method for making silicone copolymers A release agent composition for use in an electrophotographic process is disclosed. This composition includes a specifically-defined heat-stable silicone oil-silicone wax random copolymer. The copolymer has a melting point such that it is liquid on the ho... | 07/27/1999 |
| 5783719 | Method for making silicone copolymers A release agent composition for use in an electrophotographic process is disclosed. This composition includes a specifically-defined heat-stable silicone oil-silicone wax random copolymer. The copolymer has a melting point such that it is liquid on the ho... | 07/21/1998 |
| 5700899 | Curable silicone compositions A curable silicone composition based on an organopolysiloxane having a cyclotrisiloxane structure quickly cures by brief heating or ultraviolet exposure. It further contains an acid, acid generator, base or base generator or an oniom salt photo-initiator ... | 12/23/1997 |
| 5686550 | High-molecular weight polyorganosilyl silicate and process for producing the same A high-molecular weight polyorganosilyl silicate having a weight-average molecular weight of 30,000 to 2,000,000 on polystyrene conversion in which the repeating units form a ladder structure through siloxane bonding, and the ladder structures are further... | 11/11/1997 |
| 5679822 | High purity branched phenylsiloxane fluids The invention provides high purity branched phenylsilsesquioxane containing fluids of the general formula Me3 SiO--(Me3 SiOPhSiO)x --SiMe3, wherein Me is methyl, Ph is phenyl, and x is 1 to 6, and an essentially... | 10/21/1997 |
| 5605997 | Process for producing organopolysiloxanes A process of producing an organopolysiloxane, comprising hydrolyzing and condensing an alkoxysilane having the formula: Rm Si(OR1)4-m wherein R is a monovalent hydrocarbon group, R1 is an alkyl group and m is an inte... | 02/25/1997 |
| 5589562 | Polymers containing alternating silsesquioxane and bridging group segments and process for their preparation A synthesis process for polysilsesquioxanes which produces a high yield, tractable copolymer of perfectly alternating silsesquioxane and bridging group segments is provided. A difunctional silsesquioxane monomer of the formula Si8 R8... | 12/31/1996 |
| 5527935 | Organopolysiloxanes having bifunctional terminal siloxane units The present invention relates to the organopolysiloxanes having the formula [R1 Si(OSiR22 X)2 OSiR22 O1/2 ]a [R3 SiO1/2 ]b [R2 SiO] | 06/18/1996 |
| 5508369 | Organopolysiloxanes having a silanol group and process of making them Novel organopolysiloxanes having one silanol group within a molecule and the method for manufacturing them at high purity and high yield. The organopolysiloxanes having a silanol group are expressed by the formula (1) below: ##STR1## wherein R | 04/16/1996 |
| 5484867 | Process for preparation of polyhedral oligomeric silsesquioxanes and systhesis of polymers containing polyhedral oligomeric silsesqioxane group segments A process for preparation of reactive polyhedral oligomeric silsesquioxanes and the subsequent synthesis of polysilsesquioxanes which produce high yield, tractable polymers containing silsesquioxane segments is provided. A trifunctional polyhedral oligome... | 01/16/1996 |
| 5478546 | Process for preparing powder of silicon compound An alkoxysilane is brought into a hydrolysis-polycondensation reaction using a fluoride salt, e.g. NaF, or a fluorine-containing silicon compound having an Si--F bond in its molecule, e.g. FSi(OCH3)3, as a catalyst, to produce a powd... | 12/26/1995 |
| 5457220 | Process for the production of crosslinked siloxanes by disproportionation The present invention relates to a new silicone cure system. More particularly, the present invention discloses that a siloxane system containing sufficiently high levels of T or Q species in addition to M, D and a limited amount of silanol species can be... | 10/10/1995 |
| 5442025 | Organosilsesquioxanes having at least one mesogenic side group Organosilsesquioxanes having at least one mesogenic side group and processes for their preparation, which comprise reacting organosilsesquioxanes having at least one Si-bonded hydrogen atom with chiral or achiral mesogenic compounds containing an aliphati... | 08/15/1995 |
| 5412053 | Polymers containing alternating silsesquioxane and bridging group segments and process for their preparation A synthesis process for polysilsesquioxanes which produces a high yield, tractable copolymer of perfectly alternating silsesquioxane and bridging group segments is provided. A difunctional silsesquioxane monomer of the formula Si8 R8... | 05/02/1995 |
| 5331077 | Alkenyl group-containing organo(poly)siloxanes Organo(poly)siloxanes composed of units of the formula [Ra R13-a SiO1/2 ], [Rb R12-b SiO2/2 ] and [R1 SiO3/2 ], in which R can be the same or differen... | 07/19/1994 |
| 5310843 | Organopolysiloxane and method for the preparation thereof An MQ organopolysiloxane compatible with organic plastics, has an epoxy-containing organic group, and has the following general formula ##STR1## R1 represents monovalent hydrocarbon groups, R2 represents the hydrogen atom and mo... | 05/10/1994 |
| 5262558 | Method of making organo-silicon polymers having mono- and tetra-functional siloxane units There is disclosed a method for making organo-silicon polymers from alkyldisiloxanes and alkylsilicates wherein the alkyl groups of the disiloxanes have two or more carbons. Gelling of the organo-silicon polymers is avoided by; first mixing the disiloxane... | 11/16/1993 |
| 5194649 | Organopentasiloxane and method for its preparation This invention relates to an organopentasiloxane with the following formula ##STR1## wherein A is the hydrogen atom or an aliphatically unsaturated monovalent hydrocarbon group, R is the same or different monovalent hydrocarbon group, and n is an int... | 03/16/1993 |
| 5113006 | Organosilicon compounds containing alkenyl groups, a process for preparing the same, and the use of these organosilicon compounds Novel organosilicon compounds containing alkenyl groups and comprising units of the average formula ##STR1## in which R and R1 are hydrocarbon containing groups, and A is a radical of the formula ##STR2## in which R2, ... | 05/12/1992 |
| 5109095 | Siloxane resins and method for making them Liquid organosiloxane MTQ resins of the general formula [Mx Ty Qz ]n wherein M denotes a monofunctional, T a trifunctional and Q denotes a tetrafunctional siloxane unit is characterized by the fact that n has an... | 04/28/1992 |
