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Assignee: Toray Silicone Company, Ltd.


Location: Tokyo, JP
No. of patents: 126

1        
NumberTitleIssue Date
5145932Organopolysiloxane composition for the formation of a release film
A curable organopolysiloxane composition comprising an organopolysiloxane having higher alkenyl groups, an organohydrogenpolysiloxane crosslinker, and organopolysiloxane free of alkenyl groups and silicon-bonded hydrogen atoms, a platinum group metal-cont...
09/08/1992
5124090Method for the preparation of silicone gel spheres
Silicone gel spherical particles are prepared by continuously discharging a silicone gel composition into water while continuously moving the discharge nozzle location with respect to the surface of the water....
06/23/1992
5110865Organopolysiloxane emulsion and method for the preparation thereof
Organopolysiloxane emulsions are prepared by emulsifying components comprising an hydroxy-endblocked organopolysiloxane having an average of ten or more silicon atoms per molecule; an aminoxy group-containing organsilicon compound containing one or more s...
05/05/1992
5073275Fiber-treatment agent
A composition and method for treating fibers is based on an organopolysiloxane having at least one cyclohexylamino-substituted hydrocarbon radical directly bonded to a silicon atom. The composition and method provide non-yellowing fibers and a treatment a...
12/17/1991
5064876Adhesion promoter method
An adhesion promoter which is a silane or polysiloxane having in each molecule at least one organic group possessing aliphatic unsaturated group and at least one organic group possessing amino group or having in each molecule at least one organic group po...
11/12/1991
5064916Organopolysiloxane composition for the formation of a cured release film
A curable organopolysiloxane composition comprising an organopolysiloxane gum having higher alkenyl groups, an organohydrogenpolysiloxane crosslinker, a solvent, a platinum group metal-containing catalyst and an inhibitor therefor provides for the formati...
11/12/1991
5059669Adhesion promoter
An adhesion promoter which is a silane or polysiloxane having in each molecule at least one organic group possessing aliphatic unsaturated group and at least one organic group possessing amino group or having in each molecule at least one organic group po...
10/22/1991
5045621Method for manufacturing an organopolysiloxane in which a polymerizable functional group is present at one end
A diorganopolysiloxane in which a polymerizable functional group is present at one (or both) molecule chain ends and in which an arbitrary group is present at the other end can be easily synthesized. The synthesis involves the opening of a cyclotrisiloxan...
09/03/1991
5036123Straight oil composition for fibrous material
Straight oil compositions for fibrous materials, which provide excellent smoothness and antistatic properties and also have excellent spearation resistance, even without compatibilizers, comprise (A) 100 parts by weight of dimethyl polysiloxane having a v...
07/30/1991
5036024Method of treating a hardened semiconductor resin encapsulated layer with ultraviolet radiation
Semiconductor devices which comprise a semiconductor chip, electrically conductive materials for connections to external leads, and encapsulated by a sealing resin has a surface and a portion of the electrically conductive material covered with a hardened...
07/30/1991
5023288Silicone rubber adhesive
The silicone rubber adhesive film of the present invention is characterized by simplicity of handling and an excellent workability and useablility, as well as by adhesiveness for various types of substrates and an excellent durability of adhesion. These c...
06/11/1991
5002884Immobilization of physiologically active substances on an inorganic support
Physiologically active substances are immobilized on an inorganic support, by treating the inorganic support with an aminoalkylakoxysilane having the general formula (RO)3 SiCH2 CH2 CH2 NH(CH2)n...
03/26/1991
4999131Method and apparatus for the preparation of a water based dispersion of a viscous liquid
A method and apparatus is provided for the preparation of liquid dispersions comprising the uniform dispersion of a viscous liquid formed of strands, threads or columns, such as a silicone polymer in water....
03/12/1991
4985342Polysiloxane pattern-forming material with SiO4/2 units and pattern formation method using same
Pattern-forming material useful in producing highly accurate submicron patterns having unusually high aspect ratios at superior resolutions are obtained by using a solvent-soluble polyorganosiloxane having SiO4/2 units and at least one other or...
01/15/1991
4985277Method of making tack-free silicone gel moldings
A method of making a tack-free silicone gel molding comprises the steps of molding a cross-linked organopolysiloxane into a gel having a tacky surface and a partial three-dimensional network structure which exhibits limited fluidity and deformation upon t...
01/15/1991
4985483Fluororubber composition containing dispersed particles of cured silicone material
Curable fluororubber compositions exhibit excellent processability on roll mills and can be molded without sticking to or staining the mold surfaces when the composition contains from 0.1 to 30 weight parts per 100 weight parts of fluororubber of a finely...
01/15/1991
4981607Liquid-crystalline organopolysiloxanes and methods for their preparation
What is disclosed and claimed are organopolysiloxanes having liquid crystalline properties at relatively low temperatures as compared to prior art materials. The organopolysiloxanes have this property by virtue of a unique chemical spacer between the silo...
01/01/1991
4980439Method for manufacturing an alkenyl group-containing organopolysiloxane
The method of the present invention provides for the manufacturing of an alkenyl group-containing organopolysiloxane using an alkali catalyst in the presence of oxygen and in the absence of carbon dioxide. The copolymer is characterized by a viscosity of ...
12/25/1990
4978363Fiber-treatment organo-functional polysiloxanes agent composition
A composition and method for treating fibers is based on a mixture of an organopolysiloxane having at least one amino-substituted hydrocarbon radical directly bonded to a silicon atom and a higher fatty carboxylic acid. The carboxylic acid reacts with the...
12/18/1990
4975490Phthalic acid ester-modified organopolysiloxane and method for its preparation
There is disclosed a novel phtalic acid ester-modified organopolysiloxane having the general formula ##STR1## wherein R1 is a monovalent hydrocarbon group, R2 is a group R1 or a group with the formula ##STR2## ...
12/04/1990
4973620Fiber-treatment agent composition
A composition and method for treating fibers is based on a mixture of an organopolysiloxane having at least one amino-substituted hydrocarbon radical directly bonded to a silicon atom and a carboxylic acid containing at least one ethylene oxide unit. The ...
11/27/1990
4973644Room temperature-curable organopolysiloxane composition
Room temperature-curable compositions made from an organopolysiloxane having at least two silicon-bonded alkoxy groups per molecule, an alkoxysilane having three or four alkoxy groups per molecule, a mercapto group-containing alkoxysilane, and a curing ca...
11/27/1990
4973705Method for the preparation of 1,3-oxathiolanes
A method for preparation of 1,3-oxathiolanes is described. The method comprises reacting, in a solvent, a fluoride ion source, a carbonyl compound, and a halomethyl trimethylsilylmethyl sulfide, wherein the halomethyl trimethylsilyl methyl sulfide is sele...
11/27/1990
4956206Release composition
An adhesive release composition containing specific amounts of an organopolysiloxane bearing oxyalkylene groups and alkenyl groups, an organohydrogenpolysiloxane, and a platinum-type catalyst is characterized by the formation, on various base surfaces, of...
09/11/1990
4948826Transparent flame-retardant silicone rubber compositions
The reaction product of a cerium compound with an alkali metal silanolate in combination with a platinum compound and a titanium compound when added to a peroxide-curable silicone rubber composition yields a transparent, heat stable and flame resistant cu...
08/14/1990
4946955Method for the preparation of polycyclic 1,3-thiazolidines
A method for preparation of polycyclic 1,3-thiazolidines is described. The method comprises reacting a fluoride ion source, in a solvent, with an onium salt synthesized by the reaction of a nitrogenous heteroaromatic compound with a halomethyl trimethylsi...
08/07/1990
4946921Alkali-soluble organopolysiloxane
Alkali-soluble organopolysiloxanes useful in the alkali-developing resist materials for use in microprocesses in LSI device fabrication have the following general formula ##STR1## where A is a hydroxyphenyl group; R is an alkylene group having 1 to 4...
08/07/1990
4935165Method for preventing the poor conduction at electrical switch contacts which is caused by organopolysiloxane gas
The poor electrical conduction at an electrical switch contact caused by organopolysiloxane gas can be prevented by providing that a nitrogenous base gas be simultaneously present with the organopolysiloxane gas. Nitrogeneous base gases can be aliphatic a...
06/19/1990
4935464Organopolysiloxane microemulsion, process for its production and application thereof
A microemulsion with an average particle size not exceeding 0.15 micrometers or organopolysiloxane composed of trifunctional siloxane units with the formula RSiO3/2 and difunctional siloxane units with the formula R12 SiO ...
06/19/1990
4924020Phthalic acid ester-modified organopolysiloxane and method for its preparation
There is disclosed a novel phthalic acid ester-modified organopolysiloxane having the general formula ##STR1## where in R1 is a monovalent hydrocarbon group, R2 is a group R1 or a group with the formula ##STR2## ...
05/08/1990
4923944Release agent composition
A release agent composition which manifests almost no silicone migration and a very low slickness while nevertheless having a low release value is achieved by means of a release agent composition which is based on a methylalkenylpolysiloxane, an alkylhydr...
05/08/1990
4918126Silicone rubber adhesive films with improved adhesion
Silicone rubber adhesive films or sheets are obtained by sheeting a composition comprising 100 parts by weight of organopolysiloxane gum, 30 to 150 parts by weight of wet-process hydrophobic reinforcing silica, a curing agent, and 0.1 to 10 parts by weigh...
04/17/1990
4911974Tack-free silicone gel moldings
Tack-free silicone gel moldings and methods of making such moldings are prepared by coating tacky silicone gel moldings with a silicone rubber particles, having an average diameter less than about 1 mm....
03/27/1990
4906686Curable organopolysiloxane composition
The addition-curable composition of the present invention, because it comprises a special component as component (D), is characterized by an excellent bonding to any of various substrates with which it is in contact during curing. Component (D) is a mixtu...
03/06/1990
4902739Fiber-treatment composition
An organopolysiloxane with contains alkoxy radicals and epoxy-containing radicals on its molecular terminals has been found to be useful for treating fibers to provide a durable softness and flexibility, smoothness, wrinkle resistance, or rebound to fibro...
02/20/1990
4898689Electroconductive silicone rubber particles
The electroconductive silicon rubber particulate of the present invention is an electroconductive silicone rubber particulate characterized by the fact that it contains an electroconductive material and that the particle diameter is from 0.1 to 1000 micro...
02/06/1990
4898959Method for the preparation of beta-substituted allylsilane
Beta-substituted allylsilanes are synthesized in a one-step process from readily available starting materials by the reaction of a specific carboxylic acid ester or acid anhydride with a specific alkoxy group-containing Grignard reagent in an organic solv...
02/06/1990
4891393Thermosetting organopolysiloxane composition
A thermosetting organopolysiloxane composition made from organopolysiloxane gum, reinforcing silica having at least two weight percent methoxy groups, organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms per molecule, and a curin...
01/02/1990
4889770Composition for the surface treatment of rubber
A composition for the surface treatment of rubber is disclosed which comprises (A) a diorganopolysiloxane capped with a triorganosiloxy group at one end and a hydroxyl or alkoxy group at the other end; (B) at least one compound selected from organotrialko...
12/26/1989
4889905Curable organopolysiloxane composition
Radiation-curable organopolysiloxane compositions containing an alkenyl-substituted organopolysiloxane, a mercaptoalkyl-substituted organopolysiloxane and an aliphatically unsaturated silicon compound bearing at least one silicon-bonded alkoxy or alkoxyal...
12/26/1989
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