| Patent Number |
Title Of Patent |
Date Issued |
| RE34027 |
Silicone rubber-covered copier roll |
August 11, 1992 |
| The silicone rubber obtained by curing in the presence of a platinum-containing catalyst a composition comprising an organopolysiloxane containing a plurality of lower alkenyl radicals and a organohydrogensiloxane consisting essentially of R.sub.3 SiO.sub.1/2 units, R.sub.2 SiO units |
| RE28938 |
Organopolysiloxane composition having improved heat stability |
August 24, 1976 |
| The reaction product of a cerium salt of an organic carboxylic acid which is soluble in an aromatic hydrocarbon or a chlorinated hydrocarbon solvent with an alkali metal siloxanolate having an average of at least three siloxane units per molecule is employed as a heat stability additive |
| 5145932 |
Organopolysiloxane composition for the formation of a release film |
September 8, 1992 |
| 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-containing catalyst and an inhibitor |
| 5124090 |
Method for the preparation of silicone gel spheres |
June 23, 1992 |
| 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. |
| 5110865 |
Organopolysiloxane emulsion and method for the preparation thereof |
May 5, 1992 |
| 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 silicon atoms per molecule; a |
| 5073275 |
Fiber-treatment agent |
December 17, 1991 |
| 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 agent that does not gel during |
| 5064916 |
Organopolysiloxane composition for the formation of a cured release film |
November 12, 1991 |
| 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 formation of a tough, cured release |
| 5064876 |
Adhesion promoter method |
November 12, 1991 |
| 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 possessing both aliphatic unsaturat |
| 5059669 |
Adhesion promoter |
October 22, 1991 |
| 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 possessing both aliphatic unsaturat |
| 5045621 |
Method for manufacturing an organopolysiloxane in which a polymerizable functional group is pres |
September 3, 1991 |
| 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 cyclotrisiloxane using an alkali metal silanolat |
| 5037868 |
Vulcanizable rubber composition |
August 6, 1991 |
| A vulcanizable ethylene-propylene rubber composition with improved thermal aging resistance is made from ethylene-propylene rubber, an alkoxysilane such as N-(N-vinylbenzylaminoethyl)-gamma-aminopropyltrimethoxysilane or its hydrochloride, a reinforcing filler, and a vulcanizing agent. T |
| 5023288 |
Silicone rubber adhesive |
June 11, 1991 |
| 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 characteristics are obtained becau |
| 4999131 |
Method and apparatus for the preparation of a water based dispersion of a viscous liquid |
March 12, 1991 |
| 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. |
| 4985483 |
Fluororubber composition containing dispersed particles of cured silicone material |
January 15, 1991 |
| 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 divided cured silicone material |
| 4985342 |
Polysiloxane pattern-forming material with SiO.sub.4/2 units and pattern formation method using |
January 15, 1991 |
| 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 SiO.sub.4/2 units and at least one other organosiloxane unit which contains a high |
| 4985277 |
Method of making tack-free silicone gel moldings |
January 15, 1991 |
| 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 the application of stress; and |
| 4978363 |
Fiber-treatment organo-functional polysiloxanes agent composition |
December 18, 1990 |
| 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 amino radicals to reduce yel |
| 4975490 |
Phthalic acid ester-modified organopolysiloxane and method for its preparation |
December 4, 1990 |
| There is disclosed a novel phtalic acid ester-modified organopolysiloxane having the general formula ##STR1## wherein R.sup.1 is a monovalent hydrocarbon group, R.sup.2 is a group R.sup.1 or a group with the formula ##STR2## with the proviso that at least one of the groups R. |
| 4973705 |
Method for the preparation of 1,3-oxathiolanes |
November 27, 1990 |
| 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 selected from a group consisting |
| 4973644 |
Room temperature-curable organopolysiloxane composition |
November 27, 1990 |
| 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 catalyst produce cured material |
| 4973620 |
Fiber-treatment agent composition |
November 27, 1990 |
| 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 carboxylic acid reacts with the |
| 4956206 |
Release composition |
September 11, 1990 |
| 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 a release surface having an |
| 4935165 |
Method for preventing the poor conduction at electrical switch contacts which is caused by organ |
June 19, 1990 |
| 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 amines or aromatic amines. |
| 4923944 |
Release agent composition |
May 8, 1990 |
| 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 alkylhydrogenpolysiloxane crosslinker for |
| 4918126 |
Silicone rubber adhesive films with improved adhesion |
April 17, 1990 |
| 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 weight of an organoalkoxysilane. T |
| 4911974 |
Tack-free silicone gel moldings |
March 27, 1990 |
| 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. |
| 4906686 |
Curable organopolysiloxane composition |
March 6, 1990 |
| 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 mixture, or reaction product, of (a) a |
| 4902739 |
Fiber-treatment composition |
February 20, 1990 |
| 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 fibrous material. The organopolysiloxa |
| 4898959 |
Method for the preparation of beta-substituted allylsilane |
February 6, 1990 |
| 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 solvent. The resulting allylsilan |
| 4898689 |
Electroconductive silicone rubber particles |
February 6, 1990 |
| 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 micrometers. It is an electroconductiv |
| 4891393 |
Thermosetting organopolysiloxane composition |
January 2, 1990 |
| 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 curing catalyst, such as organic perox |
| 4880882 |
Curable resin composition containing a microparticulate silicone rubber |
November 14, 1989 |
| The curable resin composition of the present invention consists of a curable resin and the spherical microparticles of cured silicone rubber obtained by the curing of an addition reacting silicone rubber composition, wherein the silicone rubber composition also contains an epoxy comp |
| 4876373 |
Method of manufacturing organopolysiloxane having terminal alkenyl groups |
October 24, 1989 |
| Polymerizing cyclic trisiloxanes using as the polymerization initiator an alkali metal salt of an organosilane or organopolysiloxane having a terminal alkenyl group, followed by termination of the reaction, produces an organopolysiloxane having an alkenyl group on one end. These orga |
| 4874881 |
Method for producing a polydiorganosiloxane having a pendent alkenyl radical at its molecular ce |
October 17, 1989 |
| Polydiorganosiloxanes which have a pendant alkenyl radical in the middle of the molecular chain are prepared by a nonequilibrium, living polymerization of cyclic trisiloxanes using an organopolysiloxane alkali metal salt of the formula ##STR1## where M is lithium, sodium, or pota |
| 4842943 |
Unitary molded silicone rubber product from two different silicone rubbers and a method for thei |
June 27, 1989 |
| Molded silicone rubber unitary bodies of a carbon black containing portion and a portion containing substantially no carbon black which is obtained from a platinum catalyzed addition reaction composition are useful as keyboard pads, zebra-type connectors, and electrical joints. These mol |
| 4824652 |
Method for treating activated silicon powder |
April 25, 1989 |
| What is disclosed is a method for treating a reaction residue from the preparation of organochlorosilanes or chlorosilanes from the reaction of metallic silicon with a chlorinated hydrocarbon or hydrogen chloride, said method comprising (A) combining the reaction residue with water, and |
| 4824616 |
Method for the production of spherical silicone gel particles |
April 25, 1989 |
| Spherical gel particles with elastomeric surfaces are made by dripping a liquid silicone gel composition containing alkenyl-containing organopolysiloxane, organohydrogenpolysiloxane, and a platinum catalyst into water or surfactant-containing water, curing and then contacting the sur |
| 4782112 |
Silicone water-based emulsion composition |
November 1, 1988 |
| The water-repellent silicone water-based emulsion composition of the present invention consists of a mixture of (A) a silicone water-based emulsion composed of water, emulsifying agent, and diorganopolysiloxane having at least 2 silicone-bonded hydroxyl groups in each molecule, (B) a |
| 4780260 |
Method for producing silicone rubber moldings having a hard exterior layer |
October 25, 1988 |
| The present invention provides a method for producing silicone rubber moldings composed of a uniform, smooth and hard exterior layer and a relatively soft interior portion. In accordance with this method the surfaces of the mold cavity are coated with an organohydrogenpolysiloxane co |
| 4778860 |
Thermosetting resin composition |
October 18, 1988 |
| The water permeability of cured thermosetting organic resin compositions is reduced and the dimensional stability of these compositions during molding is improved by the addition to the curable resin composition of a finely divided, cured organosiloxane material prepared from a curable |
| 4766193 |
Adhesive for silicone rubbers |
August 23, 1988 |
| The silicone rubber adhesive of the present invention is composed of a particular organopolysiloxane, condensation reaction catalyst and organoperoxide in restricted blending ratios. As a result, a characteristic of the present invention is that various organic materials may be tight |
| 4766170 |
Heat curing organopolysiloxane composition |
August 23, 1988 |
| A silicone elastomer having improved fatigue resistance is obtained by heat-curing a composition consists essentially of an organopolysiloxane gum having vinyl endblocking, an organopolysiloxane gum having from 0.1 to 2.0 percent of the organic radicals present as alkenyl radicals, an |
| 4696970 |
Method for producing a silicone polymer-filler mixture |
September 29, 1987 |
| The present invention produces a silicone polymer-filler mixture by passing prescribed quantities of silicone oligomer, filler and polymerization catalyst through a continuous kneader extruder with kneading and polymerization of the silicone oligomer into silicone polymer. A homogene |
| 4609590 |
Method of making a coated quartz optical communications fiber and the coated fiber obtained ther |
September 2, 1986 |
| Optical communications fibers made by coating with an addition curable composition made from an alkenyl containing organopolysiloxane, a methylhydrogenpolysiloxane, a platinum-type catalyst, and an alkynyl compound provide reduced hydrogen gas generation on quartz fiber and has less |
| 4608395 |
Silicone sponge rubber composition |
August 26, 1986 |
| This invention provides organosiloxane compositions that are stable under ambient conditions and convert to cured sponge rubber when heated.The compositions comprise an alkenyl-substituted polyorganosiloxane, a polyorganohydrogensiloxane, a platinum-type catalyst, a platinum catalyst inh |
| 4598134 |
Silicone primer composition |
July 1, 1986 |
| A primer composition for heat curable silicone rubber compositions has been developed which provides adhesion to various synthetic rubbers, plastics, and inorganic materials. The primer composition is composed of three components. Component (I) consists of component (A) or (B). Component |
| 4593065 |
Organopolysiloxane composition paintable after room temperature curing |
June 3, 1986 |
| Room temperature curing organopolysiloxane composition which are paintable after curing can be made by mixing hydroxyl-terminated organopolysiloxane, a paintability compound which contains at least one X--R.sup.1 --O-- silicon-bonded group and at least one aminoxy or amido group bonded t |
| 4569870 |
Jointed, reinforced, elastomer-coated fabric material |
February 11, 1986 |
| A jointed watertight, airtight, elastomer-coated material is described. The material consists essentially of a first elastomer-coated fabric material and a second elastomer-coated fabric material, said second material being overlaid at an edge over an edge of the first material. The over |
| 4560711 |
Transparent organopolysiloxane compositions |
December 24, 1985 |
| A noncuring transparent organopolysiloxane composition obtained from a mixture of phenyl containing organopolysiloxane with at least 50% methyl radicals and 5 to 20% phenyl radicals and a finely divided silica treated with a phenyl containing silane or polysiloxane and a hydroxyl or |
| 4559396 |
Peellable film-forming organopolysiloxane compositions |
December 17, 1985 |
| Room temperature-storable, heat-curable organopolysiloxane compositions which comprise silicon-bonded vinyl radicals, silicon-bonded hydrogen atoms, a platinum-type compound and an unsaturated hydrocarbon compound of the conjugated ene-yen type provide a realease surface for tacky su |
