Patents Represented by Attorney Jack E. Moermond
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Patent number: 4429345Abstract: Electrical devices that are impregnated with a dielectric fluid, that is substantially free from water, having a high level of unsaturation and a low viscosity, are disclosed. This dielectric fluid is a reaction product of a siloxane and a silane. The silane has the general formula R.sub.a R'.sub.b Si(OX).sub.4-a-b wherein R is selected from the group consisting of hydrogen, substituted saturated hydrocarbon radicals, and unsubstituted saturated hydrocarbon radicals, R' is selected from the group consisting of substituted and unsubstituted unsaturated hydrocarbon radicals, X is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl and acyl radicals, a has a value of 0 to 3, b has a value of 0 to 3, with a+b having a value of 0 to 3.Type: GrantFiled: November 18, 1981Date of Patent: January 31, 1984Assignee: Dow Corning CorporationInventor: Gary A. Vincent
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Patent number: 4348532Abstract: Organosiloxane fluids containing polyfunctional silicon atoms are made by reacting a mixture of chlorosilanes containing a silane or disilane having at least 3 chlorine atoms with methanol in contact with certain quaternary ammonium halide catalysts. For example a fluid methylpolysiloxane was obtained by reacting a mixture of 30 weight percent methyltrichlorosilane and 70 weight percent dimethyldichlorosilane with methanol in contact with methyl pyridinium chloride.Type: GrantFiled: October 5, 1981Date of Patent: September 7, 1982Assignee: Dow Corning CorporationInventors: Allan M. Alanko, Ollie W. Marko, Charles E. Skinner, Larry H. Wood
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Patent number: 4348533Abstract: High yields of linear dimethylpolysiloxanes are obtained by reacting dimethyldichlorosilane with methanol in contact with certain quarternary ammonium halides, such as methyl pyridinium chloride, at a pressure of 15 to 100 psi.Type: GrantFiled: October 13, 1981Date of Patent: September 7, 1982Assignee: Dow Corning CorporationInventors: Allan M. Alanko, David R. Salverson
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Patent number: 4279259Abstract: An article of manufacture is disclosed which is useful for making measurements of and relative to mammary glands. This article is of particular use to surgeons in various kinds of breast surgery. For example, this article can be used to assist in the selection of the appropriate size mammary prosthesis and the location of incision site.Type: GrantFiled: July 28, 1977Date of Patent: July 21, 1981Assignee: Dow Corning CorporationInventors: Denis C. Lee, Arthur H. Rathjen
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Patent number: 4248825Abstract: Release agents which are durable when used in the release of sulfur during its processing are claimed. Methods of processing sulfur using the release agents are also claimed. One release agent consists essentially of certain carboxy functional siloxanes, a solvent, and certain titanates. Another release agent consists essentially of a polydimethylsiloxane fluid, a siloxane composed of SiO.sub.2 and (CH.sub.3).sub.3 SiO.sub.1/2 units, a solvent, and a titanate. A third release agent consists essentially of certain carboxy functional siloxanes, a polydimethylsiloxane fluid, a siloxane composed of SiO.sub.2 and (CH.sub.3).sub.3 SiO.sub.1/2 units, a solvent, and certain titanates.Type: GrantFiled: January 24, 1979Date of Patent: February 3, 1981Assignee: Dow Corning CorporationInventors: Delbert L. Coon, Harry M. Schiefer
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Patent number: 4218250Abstract: Improvement of polish formulations containing a wax and/or an abrasive and optionally at least one member selected from the group consisting of solvents, surfactants, thickening agents, detergent resistant additives, colorants, odorants, and other ingredients normally used in making polishes is disclosed by incorporating in the polish (a) a cyclodimethylsiloxane fluid, (b) a polydiorganosiloxane-polyoxyalkylene copolymer, and (c) water. Further advantages may also be achieved by the incorporation of an organic water-in-oil surfactant having an HLB value of 2-10 and/or certain silicone-glycol copolymers in the polish.Type: GrantFiled: September 28, 1978Date of Patent: August 19, 1980Assignee: Dow Corning CorporationInventor: Kenneth A. Kasprzak
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Patent number: 4198190Abstract: A vapor booster diffusion pump is provided with an organosiloxane pump fluid consisting essentially of octamethyl-3,5-diphenyltetrasiloxane.Type: GrantFiled: August 21, 1978Date of Patent: April 15, 1980Assignee: Dow Corning CorporationInventor: Eugene D. Groenhof
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Patent number: 4196131Abstract: Disclosed are furfuryloxy substituted organosilicon compounds having a viscosity of from about 5 to about 500 cs at 25.degree. C. and useful as dielectric fluids. Disclosed also are improved electrical devices such as transformers and capacitors containing such compounds as dielectric fluids.Type: GrantFiled: April 2, 1979Date of Patent: April 1, 1980Assignee: Dow Corning CorporationInventor: Gary A. Vincent
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Patent number: 4172806Abstract: Disclosed are furfuryloxy substituted organosilicon compounds having a viscosity of from about 5 to about 500 cs at 25.degree. C. and useful as dielectric fluids. Disclosed also are improved electrical devices such as transformers and capacitors containing such compounds as dielectric fluids.Type: GrantFiled: February 27, 1978Date of Patent: October 30, 1979Assignee: Dow Corning CorporationInventor: Gary A. Vincent
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Patent number: 4172805Abstract: Disclosed are benzyloxy substituted organosilicon compounds having a viscosity of from about 5 to about 500 cs at 25.degree. C. and useful as dielectric fluids. Disclosed also are improved electrical devices such as transformers and capacitors containing such compounds as dielectric fluids.Type: GrantFiled: February 27, 1978Date of Patent: October 30, 1979Assignee: Dow Corning CorporationInventor: Gary A. Vincent
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Patent number: 4152481Abstract: A method of improving the flame retardant characteristics of substrates by applying thereto an organobromosilicone fluid of the general formula (BrCH.sub.2).sub.3 CCH.sub.2 O(R.sub.2 SiO).sub.x CH.sub.2 C(CH.sub.2 Br).sub.3 wherein each R is selected from the group consisting of hydrocarbon radicals containing from 1 to 18 carbon atoms, fluorinated hydrocarbon radicals containing from 1 to 18 carbon atoms, chlorinated hydrocarbon radicals containing from 1 to 18 carbon atoms and cyanohydrocarbon radicals containing from 1 to 18 carbon atoms, and x has a value from 1 to 10, is disclosed.Type: GrantFiled: September 22, 1976Date of Patent: May 1, 1979Assignee: Dow Corning CorporationInventor: Terence J. Swihart
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Patent number: 4147646Abstract: A capacitor containing a dielectric fluid which is a naphthoxy substituted dimethylsiloxane having a viscosity of less than about 50 centistokes at 25.degree. C. is disclosed.Type: GrantFiled: September 26, 1977Date of Patent: April 3, 1979Assignee: Dow Corning CorporationInventor: Gerald R. Cappo
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Patent number: 4146491Abstract: Improved electrical devices such as transformers, and capacitors containing an improved dielectric fluid consisting essentially of a major amount of a liquid polyorganosiloxane and a minor amount of cumene, methyl cinnamate or carbon disulfide are disclosed.Type: GrantFiled: March 3, 1975Date of Patent: March 27, 1979Assignee: Dow Corning CorporationInventor: Gary A. Vincent
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Patent number: 4137189Abstract: A composition is disclosed which consists essentially of (A) select siloxane fluids, (B) select chlorendates and (C) select metal phosphorodithioates or dithiocarbamates. These compositions are useful as hydraulic fluids in power steering, power brake and other systems requiring the transmission of power from one place to another via a fluid medium.Type: GrantFiled: January 19, 1977Date of Patent: January 30, 1979Assignee: Dow Corning CorporationInventors: George W. Holbrook, Eugene R. Jakubczak, Charles A. Roth
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Patent number: 4125470Abstract: Band-ply lubricant concentrates are disclosed which are useful in the preparation of both solvent and water based formulations. Unexpected advantages of greater formulation latitude and product stability have been found. The concentrates consist of (A) an alkylene oxide polymer, (B) unique siloxane copolymer dispersing agents, (C) a polydimethylsiloxane fluid, and in some instances (D) mica or talc.Type: GrantFiled: April 2, 1976Date of Patent: November 14, 1978Assignee: Dow Corning CorporationInventors: William N. Fenton, Joseph W. Keil
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Patent number: 4104184Abstract: Electrical devices such as transformers and capacitors containing divinyltetramethyldisiloxane or methylvinylcyclosiloxanes as dielectric fluids are disclosed.Type: GrantFiled: May 9, 1977Date of Patent: August 1, 1978Assignee: Dow Corning CorporationInventors: William T. Brooks, Gary A. Vincent
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Patent number: 4100090Abstract: Electrical devices such as transformers and capacitors containing certain silacyclopentenes as dielectric fluids are disclosed.Type: GrantFiled: May 5, 1977Date of Patent: July 11, 1978Assignee: Dow Corning CorporationInventors: William T. Brooks, Gary E. Legrow
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Patent number: 4087478Abstract: A copolymeric reaction product consisting essentially of (A) 60 to 95 percent by weight of a resin consisting essentially of 45 to 72 mole percent SiO.sub.2 units and 28 to 55 mole percent (CH.sub.3).sub.3 SiO.sub.1/2 units, and (B) 5 to 40 percent by weight of a resin consisting essentially of 60 to 100 mole percent RSiO.sub.3/2 units, 0 to 35 mole percent R.sub.2 SiO units and 0 to 5 mole percent R.sub.3 SiO.sub.1/2 units, each R radical being independently selected from the group consisting of the methyl, propyl and phenyl radicals, is disclosed. These siloxane copolymers can be combined with a trimethylsilyl endblocked polydimethylsiloxane fluid and conventional organic thread finishes to obtain thread treating compositions.Type: GrantFiled: April 14, 1976Date of Patent: May 2, 1978Assignee: Dow Corning CorporationInventor: Joseph W. Keil
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Patent number: 4082690Abstract: A method or process for reducing and/or preventing foam in non-aqueous systems such as crude oil and coking processes is disclosed. The method involves the use of a composition consisting essentially of (1) a polydimethylsiloxane fluid, (2) a particular siloxane resin, and (3) a hydrocarbon solvent.Type: GrantFiled: February 7, 1977Date of Patent: April 4, 1978Assignee: Dow Corning CorporationInventor: Kenneth W. Farminer
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Patent number: 4076695Abstract: A reaction injection molding (RIM) process for making polyurethanes is disclosed where in addition to the conventional ingredients such as polyols, isocyanates, and catalysts there is included a carboxy functional siloxane. The incorporation of the carboxy functional siloxane aids in the release of the molded part and shortening the molding cycle time.Type: GrantFiled: February 7, 1977Date of Patent: February 28, 1978Assignee: Dow Corning CorporationInventor: Joseph W. Keil