Patents by Inventor Bruce A. Ashby
Bruce A. Ashby 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: 4506058Abstract: There is provided a composition which vulcanizes at room temperature on exposure to moisture comprising a product resulting from mixing:(A) an organopolysiloxane consisting essentially of repeating R.sub.2 SiO units, where R is a C.sub.(1-13) monovalent substituted or unsubstituted hydrocarbon radical;(B) an effective amount of condensation catalyst, and(C) an effective amount of self-bonding agent of the general formula ##STR1## where R.sup.1 is a C.sub.(1-7) monovalent hydrocarbon radical, R.sup.2 is a C.sub.(1-4) alkyl radical, C.sub.(1-4) acyl radical or a radical of the formula --CH.sub.2 CH.sub.2 O).sub.n R.sup.4, where n is 1 or 2 and R.sup.4 is a C.sub.(1-4) alkyl radical, R.sup.3 is a C.sub.(1-18) divalent hydrocarbon radical free of aliphatic unsaturation attached to a nitrogen atom of the urea nucleus through a non-aromatic carbon atom, Z is hydrogen or a C.sub.(1-4) alkyl radical and y equals 0 or 1.Type: GrantFiled: March 14, 1984Date of Patent: March 19, 1985Assignee: General Electric CompanyInventors: Bruce A. Ashby, Gary M. Lucas
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Patent number: 4496680Abstract: There is provided a flame retardant composition comprising:(a) about 50 to about 90 percent by weight of one or more nylon materials, and(b) about 10 to about 50 percent by weight of a composition effective for imparting flame resistance comprising:(i) about 20 to about 75 percent by weight based on (b) of diphenylsilanediol, low molecular weight phenyl substituted siloxane diol, or mixture thereof;(ii) about 3 to about 30 percent by weight based on (b) of Group IIA metal carboxylic acid salt;(iii) about 10 to about 60 percent by weight based on (b) of aluminum trihydrate; and(iv) about 10 to about 50 percent by weight based on (b) of organic halide.Type: GrantFiled: March 14, 1984Date of Patent: January 29, 1985Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: 4460739Abstract: The adhesion of self-bonding, low modulus, one package, room temperature vulcanizable silicone compositions to a variety of substrates is effectively promoted by incorporation in the silicon composition, before curing, of a small effective amount of an adhesion promoting composition comprising at least one maleamidylalkyltrialkoxysilane or maleamidylalkyltriacyloxysilane compound of the formula: ##STR1## wherein A is divalent alkylene of from 2 to 6 carbon atoms and R.sup.1, R.sup.2 and R.sup.3 are, independently, C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkanoyl.Type: GrantFiled: July 1, 1983Date of Patent: July 17, 1984Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: 4436924Abstract: There are provided ultraviolet light absorbing agents of the following general formula ##STR1## wherein: ##STR2## Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CH.sub.2 (CH.sub.2).sub.n Si(R.sub.2).sub.x (OR.sub.1).sub.y ; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 =alkyl or alkanoyl having 1 to 6 carbon atoms, R.sub.2 =alkyl having 1 to 6 carbon atoms, n=0, 1 or 2, and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.This invention relates to new, improved ultraviolet light absorbing agents, as well as to articles primed and thereafter coated with compositions containing such agents. The novel compounds of this invention are silanolreactive alkoxysilyl- or alkanoyloxysilylalkyl ether adducts of aromatic ultraviolet absorbing agents.Type: GrantFiled: September 23, 1982Date of Patent: March 13, 1984Assignee: General Electric CompanyInventors: Bruce A. Ashby, Siegfried H. Schroeter
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Patent number: 4421903Abstract: Platinum complexes of unsaturated siloxanes, substantially free of inhibitory compounds, provide superior hydrosilation catalysts when produced by heating a platinum compound with an unsaturated siloxane of the formula(CH.sub.2 .dbd.CH)((R).sub.2 Si).sub.2 O,wherein R is free of aliphatic unsaturation and is selected from alkyl, cycloalkyl, and aryl groups, the amount of siloxane being selected to provide not less than about 0.01 gram atom of platinum per mole of vinyl content, and a platinum content of not less than about 2 percent by weight in the catalyst. Curable silicone compositions containing such catalysts are also provided.Type: GrantFiled: February 26, 1982Date of Patent: December 20, 1983Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: 4419405Abstract: There are provided ultraviolet light absorbing agents of the following general formula ##STR1##wherein: ##STR2## Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CH.sub.2 (CH.sub.2).sub.n Si(R.sub.2).sub.x (OR.sub.1).sub.y ; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 =alkyl or alkanoyl having 1 to 6 carbon atoms, R.sub.2 =alkyl having 1 to 6 carbon atoms, n=0, 1 or 2, and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.Type: GrantFiled: September 23, 1982Date of Patent: December 6, 1983Assignee: General Electric CompanyInventors: Bruce A. Ashby, Siegfried H. Schroeter
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Patent number: 4390660Abstract: There are provided ultraviolet light absorbing agents of the formula ##STR1## wherein: X is >C.dbd.O, or ##STR2## Y is H or OH; Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CONH(CH.sub.2).sub.3 Si(R.sub.2).sub.x (OR.sub.1).sub.y or --CONH(CH.sub.2).sub.3 Si(R.sub.2).sub.x (OCOR.sub.1).sub.y ; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 and R.sub.2, independently are each alkyl having 1 to 6 carbon atoms and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.Type: GrantFiled: December 9, 1981Date of Patent: June 28, 1983Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: 4374674Abstract: There are provided ultraviolet light absorbing agents of the following general formula ##STR1## wherein: X is ##STR2## Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CH.sub.2 (CH.sub.2).sub.n Si(R.sub.2).sub.x (OR.sub.1).sub.y ; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 =alkyl or alkanoyl having 1 to 6 carbon atoms, R.sub.2 =alkyl having 1 to 6 carbon atoms, n=0, 1 or 2, and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.Type: GrantFiled: January 15, 1981Date of Patent: February 22, 1983Assignee: General Electric Co.Inventors: Bruce A. Ashby, Siegfried H. Schroeter
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Patent number: 4369228Abstract: There are provided ultraviolet light absorbing agents of the formula ##STR1## wherein: X is >C.dbd.O, or ##STR2## Y is H or OH; Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CONH(CH.sub.2).sub.3 Si(R.sub.2).sub.x (OR.sub.1).sub.y or --CONH(CH.sub.2).sub.3 Si(R.sub.2).sub.x (OCOR.sub.1).sub.y; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 and R.sub.2, independently, are each alkyl having 1 to 6 carbon atoms and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.Type: GrantFiled: December 9, 1981Date of Patent: January 18, 1983Assignee: General Electric Co.Inventor: Bruce A. Ashby
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Patent number: 4356050Abstract: Dye sensitized epoxy resins containing an iodonium salt cationic photoinitiator can be used in a variety of adhesive bonding applications. Using low intensity visible light, cure can be initiated after a short exposure of resin coated surfaces followed by clamping the subject pieces together for a time sufficient for a permanent bond to form.Type: GrantFiled: December 11, 1979Date of Patent: October 26, 1982Assignee: General Electric CompanyInventors: James V. Crivello, Bruce A. Ashby
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Patent number: 4321400Abstract: There are provided ultraviolet light absorbing agents of the formula ##STR1## wherein: ##STR2## Y is H or OH; Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CONH(CH.sub.2).sub.3 Si(R.sub.2).sub.x (OR.sub.1).sub.y or --COHN(CH.sub.2).sub.3 Si(R.sub.2).sub.x (OCOR.sub.1).sub.y ; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 and R.sub.2, independently, are each alkyl having 1 to 6 carbon atoms and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.Type: GrantFiled: May 30, 1980Date of Patent: March 23, 1982Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: 4288345Abstract: Platinum complexes of unsaturated siloxanes, substantially free of inorganic halogen and inhibitory compounds, provide superior hydrosilation catalysts when the unsaturated siloxane comprises, per gram-atom of platinum,(i) a combination of one mole of (CH.sub.2 .dbd.CH)((R).sub.2 Si).sub.2 O, and one mole of (CH.sub.2 .dbd.CH) (R).sub.2 SiOSi(R.sub.2)OH;(ii) two moles of (CH.sub.2 .dbd.CH)((R).sub.2 Si).sub.2 O; or(iii) a mixture of (i) and (ii),wherein R is free of aliphatic unsaturation and is selected from alkyl, cycloalkyl, and aryl groups.Type: GrantFiled: February 6, 1980Date of Patent: September 8, 1981Assignee: General Electric CompanyInventors: Bruce A. Ashby, Frank J. Modic
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Patent number: 4281146Abstract: A method of neutralizing a halogen silicone compound comprising adding to the halogen silicone compound an orthoformate and an alcohol so as to form an alkyl chloride and a formate which can then be distilled off.Type: GrantFiled: December 26, 1979Date of Patent: July 28, 1981Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: 4278804Abstract: There are provided ultraviolet light absorbing agents of the following general formula ##STR1## wherein: X is ##STR2## Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H;Q is --CH.sub.2 (CH.sub.2).sub.n Si(R.sub.2).sub.x (OR.sub.1).sub.y ; andW is --C.sub.m H.sub.2m+1 ;where x=0, 1 or 2, y=1, 2 or 3, x+y=3, R.sub.1 =alkyl or alkanoyl having 1 to 6 carbon atoms, R.sub.2 =alkyl having 1 to 6 carbon atoms, n=0, 1 or 2, and m=1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.Type: GrantFiled: May 30, 1980Date of Patent: July 14, 1981Assignee: General Electric CompanyInventors: Bruce A. Ashby, Siegfried H. Schroeter
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Patent number: 4177200Abstract: A silyl phosphate which is an improved neutralizing agent for alkali metal hydroxides in silicone reactions, comprising the reaction product of a linear siloxane, and a phosphorous oxyhalogen or phosphoric acid. The reaction products of the phosphorous oxyhalogen over phosphoric acid are preferred. Such a reaction product is preferred for the continuous neutralization of alkali metal hydroxides in the equilibration of siloxanes.Type: GrantFiled: November 25, 1977Date of Patent: December 4, 1979Assignee: General Electric CompanyInventors: John S. Razzano, Louis P. Petersen, Bruce A. Ashby
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Patent number: 4156689Abstract: A process for the purification of hydrogen-containing silanes and siloxanes containing no phenyl substituent groups comprising contacting the silanes and siloxanes with an adsorbent bed formed from material selected from charcoal and molecular sieves and removing the purified silanes and siloxanes from the adsorbent bed. Through this procedure all the impurities which would poison the platinum catalyst are removed and as such the hydrosilanes and siloxanes will undergo SiH-olefin platinum-catalyzed reactions instantly and without difficulty.Type: GrantFiled: February 13, 1978Date of Patent: May 29, 1979Assignee: General Electric CompanyInventors: Bruce A. Ashby, Harry R. McEntee
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Patent number: 3974198Abstract: An improved process for producing an acyloxysilane comprising reacting a chlorosilane with a carboxylic acid or a carboxylic acid anhydride in the presence of an iron complexing agent.Type: GrantFiled: September 2, 1975Date of Patent: August 10, 1976Assignee: General Electric CompanyInventor: Bruce A. Ashby
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Patent number: D1023073Type: GrantFiled: February 24, 2023Date of Patent: April 16, 2024Assignee: CQMS Pty LtdInventors: Samuel Beck, Ian Ashby, David Hume, Brendan Waterman, Bruce Lilley, Todd Lawler