Patents by Inventor Howard A. Vaughn, Jr.
Howard A. Vaughn, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4559271Abstract: Ultraviolet radiation resistant silicone resin coating compositions are provided having improved thermoformability. Improved thermoformability and shortened required aging are achieved by the addition of a Lewis acid compound to the coating compositions is disclosed. Thermoformability is also improved by using the UV screen containing silicone resin coating composition in conjunction with extensible acrylate primers.Type: GrantFiled: July 27, 1984Date of Patent: December 17, 1985Assignee: General Electric CompanyInventors: James E. Doin, Howard A. Vaughn, Jr.
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Patent number: 4539351Abstract: A silicone resin coating composition with improved shelf life is disclosed herein. A coating composition having a basic pH in the range of from 7.1-7.8 and prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion is diluted to 10-15% solids. A compatible thickening agent is then added.Type: GrantFiled: January 17, 1985Date of Patent: September 3, 1985Assignee: General Electric CompanyInventors: William J. O'Malley, Howard A. Vaughn, Jr.
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Patent number: 4486503Abstract: Silicone resin coating compositions, which when applied to a solid substrate provide an abrasion resistant coating thereto, are disclosed herein. The coating compositions have a basic pH in the range of from 7.1-7.8 and are prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion.Type: GrantFiled: September 8, 1982Date of Patent: December 4, 1984Assignee: General Electric CompanyInventor: Howard A. Vaughn, Jr.
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Patent number: 4477499Abstract: Ultraviolet radiation resistant silicone resin coating compositions are provided having improved thermoformability. Improved thermoformability and shortened required aging are achieved by the addition of a Lewis acid compound to the coating compositions is disclosed. Thermoformability is also improved by using the UV screen containing silicone resin coating composition in conjunction with extensible acrylate primers.Type: GrantFiled: September 7, 1982Date of Patent: October 16, 1984Assignee: General Electric CompanyInventors: James E. Doin, Howard A. Vaughn, Jr.
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Patent number: 4476281Abstract: Silicone resin coating compositions, which when applied to a solid substrate provide an abrasion resistant coating thereto, are disclosed herein. The coating compositions have a basic pH in the range of from 7.1-7.8 and are prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion.Type: GrantFiled: September 8, 1982Date of Patent: October 9, 1984Assignee: General Electric CompanyInventor: Howard A. Vaughn, Jr.
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Patent number: 4474857Abstract: A silicone resin coating composition is provided which provides a tough, abrasion-resistant coating when applied to a solid substrate. The coating composition has a basic pH in the range of from 7.1-7.8 and is prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion. A thickening agent and an ultraviolet light screening agent are added to the resultant hydrolysis product.Type: GrantFiled: January 6, 1984Date of Patent: October 2, 1984Assignee: General Electric CompanyInventor: Howard A. Vaughn, Jr.
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Patent number: 4436851Abstract: A silicone resin coating composition is provided which provides a tough, abrasion-resistant coating when applied to a solid substrate. The coating composition has a basic pH in the range of from 7.1-7.8 and is prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion. A thickening agent and an ultraviolet light screening agent are added to the resultant hydrolysis product.Type: GrantFiled: April 1, 1982Date of Patent: March 13, 1984Assignee: General Electric CompanyInventor: Howard A. Vaughn, Jr.
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Patent number: 4414349Abstract: This invention relates to coating compositions prepared by prehydrolyzing the silane function of a silylated ultraviolet radiation screening compound and adding it to an aqueous silicone resin composition. Hydrolyzing the silane function renders the ultraviolet screen a silanol which is a compatible component in the silicone resin compositions contemplated.Type: GrantFiled: January 15, 1982Date of Patent: November 8, 1983Assignee: General Electric CompanyInventors: Howard A. Vaughn, Jr., Ta-Yen Ching
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Patent number: 4397973Abstract: A composition comprising (a) an aromatic polycarbonate and (b) a minor amount of a oxyalkylene siloxane block copolymer, and, optionally, an organic phosphite or phosphonite and/or epoxy compound provide lower viscosity in the melt without producing brittle molded parts.Type: GrantFiled: August 7, 1981Date of Patent: August 9, 1983Assignee: General Electric CompanyInventors: Steven W. Scott, Howard A. Vaughn, Jr.
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Patent number: 4368235Abstract: Silicone resin coating compositions, having a basic pH in the range of from 7.1 to 7.8 are provided. These coating compositions are prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion and adding to the resultant hydrolysis product a linear functionally terminated oligomeric siloxane. When applied to a solid substrate, these silicone resin compositions provide an abrasion resistant coating having improved resistance to cracking.Type: GrantFiled: September 25, 1981Date of Patent: January 11, 1983Assignee: General Electric Co.Inventor: Howard A. Vaughn, Jr.
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Patent number: 4367262Abstract: A silicone resin coating composition which, when applied to a solid substrate, provides a thick abrasion resistant coating thereto, is disclosed herein. The coating composition has a basic pH in the range of from 7.1-7.8 and is prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion. A thickening agent is added to the resultant hydrolysis product.Type: GrantFiled: April 20, 1981Date of Patent: January 4, 1983Assignee: General Electric Co.Inventor: Howard A. Vaughn, Jr.
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Patent number: 4324712Abstract: Silicone resin coating compositions, having a basic pH in the range of from 7.1 to 7.8 are provided. These coating compositions are prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion and adding to the resultant hydrolysis product a linear functionally terminated oligomeric siloxane. When applied to a solid substrate, these silicone resin compositions provide an abrasion resistant coating having improved resistance to cracking.Type: GrantFiled: January 18, 1980Date of Patent: April 13, 1982Assignee: General Electric CompanyInventor: Howard A. Vaughn, Jr.
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Patent number: 4309319Abstract: A silicone resin coating composition which, when applied to a solid substrate, provides a thick abrasion resistant coating thereto, is disclosed herein. The coating composition has a basic pH in the range of from 7.1-7.8 and is prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion. A thickening agent is added to the resultant hydrolysis product.Type: GrantFiled: October 5, 1979Date of Patent: January 5, 1982Assignee: General Electric CompanyInventor: Howard A. Vaughn, Jr.
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Patent number: 4246038Abstract: There is provided by the present case a novel primer composition for plastics, metals, glass and ceramics composed of optionally a silane containing hydrolyzable groups and functional groups such as, alkoxy nitrogen functional groups mixed with the reaction product of the foregoing silane and an anhydride selected from the class consisting of cyclic anhydrides and cyclic dianhydrides. The foregoing primer composition is usually applied to the substrate to be protected in solution form utilizing, preferably, an aliphatic alcohol solvent. The abrasion protective top layer itself consists of at 80 to 100% solids of a silane which may be an alkoxylated silane or more preferably an acyloxy functional silane wherein the top coat is preferably cured on top of primer layer which is applied to the substrate at a temperature of anywhere from 25.degree. to 130.degree. C. depending on the glass transition temperature of the substrate which should not be exceeded.Type: GrantFiled: May 1, 1978Date of Patent: January 20, 1981Assignee: General Electric CompanyInventors: Howard A. Vaughn, Jr., Fred F. Holub
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Patent number: 4235978Abstract: A flame retardant composition comprising in admixture, a thermoplastic polymer, a flame-retardant additive and a minor amount of an organopolysiloxane polymer.Type: GrantFiled: June 2, 1975Date of Patent: November 25, 1980Assignee: General Electric CompanyInventors: John B. Luce, Howard A. Vaughn, Jr.
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Patent number: 4226761Abstract: Novel compositions are disclosed which include a polyphenylene ether resin and an alkenyl aromatic resin modified with a polysiloxane in the form of small rubber-like particles. Also included within the scope of this invention are reinforced and flame-retardant compositions of the polyphenylene ether resin and the alkenyl aromatic resin modified with a polysiloxane.Type: GrantFiled: November 27, 1978Date of Patent: October 7, 1980Assignee: General Electric CompanyInventors: Glenn D. Cooper, William R. Haaf, Howard A. Vaughn, Jr.
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Patent number: 4221728Abstract: A thermal oxidative stabilized polycarbonate composition comprises in admixture (a) a high molecular weight aromatic carbonate polymer and (b) a minor amount of an end-blocked polyorganohydrogen siloxane and, optionally, an organic phosphite or phosphonite and/or epoxy compound.Type: GrantFiled: December 28, 1977Date of Patent: September 9, 1980Assignee: General Electric CompanyInventors: Donald B. G. Jaquiss, Steven W. Scott, Howard A. Vaughn, Jr., Joseph B. Williams
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Patent number: 4197384Abstract: A thermal oxidative stabilized polycarbonate composition comprises in admixture (a) a high molecular weight aromatic carbonate polymer and (b) a minor amount of an oligomeric or polymeric hydrocarbonoxy siloxane and, optionally, an organophosphite or organophosphonite and/or an epoxy compound.Type: GrantFiled: December 28, 1977Date of Patent: April 8, 1980Assignee: General Electric CompanyInventors: Charles A. Bialous, deceased, by Edwin E. Reder, administrator, Howard A. Vaughn, Jr., Joseph B. Williams
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Patent number: 4138379Abstract: A stabilized and plasticized polycarbonate composition comprising in admixture, an aromatic carbonate polymer and a stabilizing amount of an essentially monomeric organic silane. The composition can additionally contain a phosphite and/or an epoxy compound.Type: GrantFiled: December 28, 1977Date of Patent: February 6, 1979Assignee: General Electric CompanyInventors: Steven W. Scott, Howard A. Vaughn, Jr.
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Patent number: 3959563Abstract: Articles having a scrub resistant, water repellant and dirt resistant vitreous surface are provided by (a) heating the article to a surface temperature above 400.degree.C, until the surface becomes free of water; (b) adjusting the surface temperature to between 310.degree. and 370.degree.C. and applying a siliconizing medium comprising an organosiloxane; and (c) allowing the article to cool to ambient temperature.Type: GrantFiled: November 2, 1973Date of Patent: May 25, 1976Assignee: General Electric CompanyInventors: Howard A. Vaughn, Jr., Vincent Vodicka