Patents Assigned to SWS Silicones Corporation
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Patent number: 4644074Abstract: Organopolysiloxane fluids are stabilized against degradation in the presence of kaolin clays at elevated temperatures by adding an amine containing compound to the organopolysiloxane fluids.Type: GrantFiled: April 10, 1985Date of Patent: February 17, 1987Assignee: SWS Silicones CorporationInventors: Paul A. Manis, Eugene R. Martin, Ronald L. Muntz
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Patent number: 4623414Abstract: A process for preparing an aqueous adhesive composition which comprises preparing a solvent dispersion by mixing rubber, carbon black, vulcanizing agent, tackifying resin and accelerator with sufficient organic solvent to form a solvent dispersion and thereafter emulsifying the solvent dispersion in the presence of water to form an aqueous emulsion. The aqueous emulsion may be used to bond unvulcanized rubber compounds, such as a tread stock to the carcass portion during the formation of a tire.Type: GrantFiled: July 12, 1984Date of Patent: November 18, 1986Assignee: SWS Silicones CorporationInventors: Wendell Collins, Howard L. Brooks
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Patent number: 4618389Abstract: A process for bonding heat curable silicone rubber to a variety of substrates using an aqueous primer composition containing an alkenyltrihydrocarbonoxysilane and an aqueous miscible solvent selected from the group consisting of aliphatic alcohols, glycol ethers, ketones and esters.Type: GrantFiled: January 14, 1985Date of Patent: October 21, 1986Assignee: SWS Silicones CorporationInventor: Michael K. Agodoa
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Patent number: 4612055Abstract: Siloxane fluid blends containing a thiofunctional polysiloxane fluid and an organopolysiloxane fluid are stabilized against degradation in the presence of kaolin clays at elevated temperatures by adding an amine containing compound to blends of siloxane fluids.Type: GrantFiled: April 10, 1985Date of Patent: September 16, 1986Assignee: SWS Silicones CorporationInventors: Paul A. Manis, Eugene R. Martin, Ronald L. Muntz
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Patent number: 4606933Abstract: Radiation polymerizable acrylate-functional organopolysiloxanes having the formula ##STR1## where R is a radical selected from monovalent hydrocarbon radicals, substituted monovalent hydrocarbon radicals having from 1 to 20 carbon atoms or monovalent hydrocarbonoxy radicals having from 1 to 20 carbon atoms, or a radical of the formula ##STR2## in which at least one R is a radical having the above formula, R.sup.1 is a divalent radical selected from a saturated divalent hydrocarbon radical having up to 20 carbon atoms, a divalent hydrocarbonoxy radical in which the oxygen is in the form of an ether linkage and an unsaturated divalent hydrocarbon radical having from 3 to 10 carbon atoms; R.sup.2 is hydrogen or a methyl radical; R.sup.3 is a linear or branched radical having 2, 3, 4, 5 or 6 valences in which the radical is selected from a substituted hydrocarbon radical, or a hydrocarbon ether or thioether radical having one or more repeating units and the terminal atoms of the R.sup.Type: GrantFiled: September 25, 1985Date of Patent: August 19, 1986Assignee: SWS Silicones CorporationInventors: Roy M. Griswold, Walter L. Magee, Paul A. Manis, Eugene R. Martin
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Patent number: 4588768Abstract: This invention relates to thermally conductive heat curable organopolysiloxane compositions containing from 30 to 95 percent by weight of filler based on the weight of the composition of which at least 10 percent by weight of the filler is silicon nitride particles.Type: GrantFiled: October 29, 1984Date of Patent: May 13, 1986Assignee: SWS Silicones CorporationInventor: Marie J. Streusand
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Patent number: 4588771Abstract: Thiofunctional polysiloxane fluids are stabilized against degradation in the presence of kaolin clay by adding an amine containing compound to the thiofunctional polysiloxane fluids.Type: GrantFiled: April 10, 1985Date of Patent: May 13, 1986Assignee: SWS Silicones CorporationInventors: Paul A. Manis, Eugene R. Martin, Ronald L. Muntz
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Patent number: 4585822Abstract: This invention relates to thermally conductive room temperature vulcanizable organopolysiloxane compositions containing hydroxyl-terminated organopolysiloxanes, a crosslinking agent selected from polyalkoxysilanes and polyalkoxysiloxanes, a condensation catalyst and from 30 to 95 percent by weight of filler based on the weight of the composition, of which at least 10 percent by weight of the filler is silicon nitride particles.Type: GrantFiled: October 29, 1984Date of Patent: April 29, 1986Assignee: SWS Silicones CorporationInventor: Marie J. Streusand
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Patent number: 4584125Abstract: Compositions which either reduce or prevent foam formation in aqueous or nonaqueous systems comprising (A) a foam destabilizing agent containing (1) a diorganopolysiloxane having the average formula ##STR1## where R is a monovalent hydrocarbon radical having from 1 to 50 carbon atoms, in which an average of at least one R group contains from 6 to 50 carbon atoms, a has an average value of from about 1.8 to 2.2, and m has an average value greater than 3, and (2) an amine containing compound selected from an aminofunctional organopolysiloxane and/or an organic amine having the formula ##STR2## where R.sup.1 is a monovalent hydrocarbon radical having from 1 to 25 carbon atoms, R.sup.2 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, with the proviso that at least one of the radicals represented by R.sup.1 or R.sup.2 must have at least 6 carbon atoms, b is 0, 1 or 2, c is 0 or 1, (B) a nonaqueous dispersing agent, (C) an inorganic filler and (D) water, if desired.Type: GrantFiled: August 10, 1984Date of Patent: April 22, 1986Assignee: SWS Silicones CorporationInventors: Roy M. Griswold, Eugene R. Martin
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Patent number: 4584336Abstract: This invention relates to thermally conductive one-component room temperature vulcanizable organopolysiloxane compositions containing from 30 to 95 percent by weight of filler based on the weight of the composition, of which at least 10 percent by weight of the filler is silicon nitride particles.Type: GrantFiled: October 29, 1984Date of Patent: April 22, 1986Assignee: SWS Silicones CorporationInventors: Michelle Pate, John C. Getson
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Patent number: 4558109Abstract: An organopolysiloxane composition which has improved adhesion and is curable at an elevated temperature in the presence of atmospheric moisture comprising:(a) An organopolysiloxane having an average of at least two hydroxyl groups per molecule;(b) an organosilicon compound containing at least two hydrolyzable groups per molecule which is capable of reacting with the hydroxyl groups of the organopolysiloxane;(c) an organohydrogenpolysiloxane containing at least one silicon-bonded hydrogen atom per molecule;(d) a platinum catalyst; and(e) if desired, a condensation catalyst.The resultant composition is generally heated to an elevated temperature to form an elastomer.Type: GrantFiled: July 25, 1984Date of Patent: December 10, 1985Assignee: SWS Silicones CorporationInventor: Richard C. McAfee
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Patent number: 4551350Abstract: A textile finishing composition comprising (1) a diluent and (2) a durable press resin composition containing (a) an aminoplast resin and (b) an aldehyde. The textile finishing composition is combined with an acid catalyst and applied to textile materials to impart softness, improved wetting properties and durable press properties.The textile finishing composition is applied at lower than normal dry add-on levels to textile materials to provide textile materials having lower levels of formaldehyde.Type: GrantFiled: November 19, 1984Date of Patent: November 5, 1985Assignee: SWS Silicones CorporationInventors: Eugene R. Martin, David S. Ansel, Paul A. Manis
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Patent number: 4546164Abstract: A process for preparing a one-component organopolysiloxane composition which comprises heating a catalyst which is capable of promoting the addition of silicon-bonded hydrogen to aliphatically unsaturated groups in the presence of an organopolysiloxane having aliphatically unsaturated groups and/or a filler at an elevated temperature and thereafter adding an organosilicon compound having silicon-bonded hydrogen to the mixture after it has cooled. The resultant composition, which can be stored at room temperature can be crosslinked by heating to a temperature of about 100.degree. C. or more.Type: GrantFiled: March 11, 1985Date of Patent: October 8, 1985Assignee: SWS Silicones CorporationInventors: Ming Shen, Richard C. McAfee
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Patent number: 4544696Abstract: Silicone elastomers having thermally conductive properties which comprise an organopolysiloxane having Si-bonded aliphatically unsaturated groups, an organohydrogenpolysiloxane having Si-bonded hydrogen atoms, a catalyst capable of promoting the addition of Si-bonded hydrogen to Si-bonded aliphatically unsaturated groups and from about 30 to 95 percent by weight of filler, based on the weight of the composition, of which at least 10 percent by weight of the filler is silicon nitride particles.Type: GrantFiled: October 29, 1984Date of Patent: October 1, 1985Assignee: SWS Silicones CorporationInventors: Marie J. Streusand, John C. Getson, Richard C. McAfee
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Patent number: 4526955Abstract: Radiation polymerizable compositions containing organopolysiloxanes having an average of at least one nitrogen-containing group per molecule linked to a silicon atom through an Si--N or Si--O--N linkage and a photo-induced free radical source.Type: GrantFiled: January 3, 1984Date of Patent: July 2, 1985Assignee: SWS Silicones CorporationInventors: Lester D. Bennington, Richard C. McAfee
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Patent number: 4520176Abstract: A textile finishing composition comprising (1) a diluent and (2) a durable press resin composition containing (a) an aminoplast resin and (b) an aldehyde. The textile finishing composition is combined with an acid catalyst and applied to textile materials to impart softness, improved wetting properties and durable press properties.The textile finishing composition is applied at lower than normal dry add-on levels to textile materials to provide textile materials having lower levels of formaldehyde.Type: GrantFiled: December 12, 1983Date of Patent: May 28, 1985Assignee: SWS Silicones CorporationInventors: Eugene R. Martin, David S. Ansel, Paul A. Manis
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Patent number: 4511727Abstract: Quaternary ammonium-functional silicon compounds are prepared by reacting carboxylic acid-functional quaternary ammonium compounds with carbinol-functional silicon compounds. These quaternary ammonium-functional silicon compounds may be applied to textile materials to impart antistatic properties thereto.Type: GrantFiled: December 7, 1982Date of Patent: April 16, 1985Assignee: SWS Silicones CorporationInventor: Eugene R. Martin
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Patent number: 4509981Abstract: Coating compositions comprising an aqueous emulsion of (1) a mixture of silicone fluids consisting of (a) an aminofunctional silicone fluid and (b) an organopolysiloxane fluid, (2) nonionic emulsifying agents and (3) an ultraviolet radiation absorbing agent.Type: GrantFiled: June 13, 1983Date of Patent: April 9, 1985Assignee: SWS Silicones CorporationInventors: Albert J. Sanders, Jr., Michael J. Larson
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Patent number: 4471007Abstract: A method for improving the adhesion of an amine-containing organopolysiloxane composition to a substrate which comprises coating the substrate with an amine-containing organopolysiloxane composition and thereafter heating the coated substrate to an elevated temperature prior to or during exposure to moisture and carbon dioxide in excess of that present in the atmosphere.Type: GrantFiled: April 1, 1983Date of Patent: September 11, 1984Assignee: SWS Silicones CorporationInventor: Michelle D. Pate
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Patent number: 4463120Abstract: A process for preparing an aqueous adhesive composition which comprises preparing a solvent dispersion by mixing rubber, carbon black, vulcanizing agent, tackifying resin and accelerator with sufficient organic solvent to form a solvent dispersion and thereafter emulsifying the solvent dispersion in the presence of water to form an aqueous emulsion. The aqueous emulsion may be used to bond unvulcanized rubber compounds, such as a tread stock to the carcass portion during the formation of a tire.Type: GrantFiled: January 24, 1983Date of Patent: July 31, 1984Assignee: SWS Silicones CorporationInventors: Wendell Collins, Howard L. Brooks