Patents Represented by Attorney, Agent or Law Firm Kenneth S. Wheelock
-
Patent number: 6737494Abstract: A one part moisture curable room temperature vulcanizable silicone composition comprising an alkylalkoxyacyloxysilane selected from the group consisting of R1SiR2aR33-a and R4R5bR63-bSi—O—SiR7R8cR93-c and mixtures thereof; where R1, R4 and R7 are independently selected from alkyl radicals having, the formula (CH2)nX, where n has 1 to 10, and X is selected from the group consisting of hydrogen, amino, epoxy, cyano, thiocyano, allyl, and vinyl; R2 R5 and R8 are independently selected from acyloxy radicals having the formula OC(O)(CH2)mH, where m has 1 to 8; R3, R6 and R9 are independently selected from alkoxy radicals or mixture of alkoxy radicals of 1 to 10 carbon atoms wherein the subscripts a, b and c are subject to the following limitations: 0<a<3; 0<b<3; and 0<c<3 wherein said alkylalkoxyacyloxysilane is a liquid at a temperature above 0° C.Type: GrantFiled: November 9, 2001Date of Patent: May 18, 2004Assignee: General Electric CompanyInventor: Jonathan R. Sargent
-
Patent number: 6727338Abstract: A hydrido-silicone is incompletely reacted with (preferably) a long chain olefin under hydrosilylation conditions to produce a partially substituted hydrido-silicone that is further reacted under hydrosilylation conditions with a vinyl containing MQ resin to partially consume the remaining hydride species which is then reacted under hydrosilylation conditions to consume the remaining hydride species with a long chain diolefin to produce a composition that is useful as an anti-mist agent in the coating of flexible supports.Type: GrantFiled: November 15, 2002Date of Patent: April 27, 2004Assignee: General Electric CompanyInventors: John Alfred Kilgour, Edwin C. Cua, John A. Cummings
-
Patent number: 6716533Abstract: The present invention relates to curable alkenyl based silicone release coating compositions having improved adhesion to paper and polymeric substrates. Furthermore the present invention relates to the process for making a silicone release coating with improved adhesion to paper and polymeric substrates.Type: GrantFiled: August 27, 2001Date of Patent: April 6, 2004Assignee: General Electric CompanyInventors: Roy M. Griswold, Slawomir Rubinsztaijn, Michael J. O'Brien
-
Patent number: 6664323Abstract: A curable resin composition comprising an oxyalkylene base copolymer having at least one silicone atom containing group to the silicone atom of which a hydroxyl group and/or hydrolyzable group is attached and which is cross-linked through formation of a siloxane bond.Type: GrantFiled: January 31, 2002Date of Patent: December 16, 2003Assignee: General Electric CompanyInventor: Gary M. Lucas
-
Patent number: 6630415Abstract: Low molecular weight silicone polyether ABA type block copolymer treatments wherein a linear polysiloxane is terminated at each end by a polyether moiety derived from ethylene oxide are useful to imparting a hydrophilic coating to the surface of either woven or non-woven textiles.Type: GrantFiled: November 29, 2001Date of Patent: October 7, 2003Assignee: General Electric CompanyInventors: Christine J. Phillips, Susan A. Nye
-
Patent number: 6610108Abstract: The process of the present invention is directed to a dry cleaning process, comprising the use of volatile cyclic, linear or branched siloxanes in the vapor phase for the cleaning of soiled or stained fabrics. The linear or branched siloxanes have the formula: M2+y+2zDxTyQz wherein M is R13SiO1/2; D is R2R3SiO2/2; T is R4SiO3/2; and Q is SiO4/2 R1, R2, R3 and R4 are each independently a monovalent hydrocarbon radical having from one to forty carbon atoms; and x and y are each integers, wherein 0≦x≦10 and 0≦y≦10 and 0≦z≦10. While the cyclic siloxanes have the formula: wherein R5, R6, R7 and R8 are each independently a monovalent hydrocarbon group having from one to forty carbon atoms; and a and b are each integers wherein 0≦a≦10 and 0≦b≦10, provided that 3≦(a+b)≦10.Type: GrantFiled: March 21, 2001Date of Patent: August 26, 2003Assignee: General Electric CompanyInventors: Robert J. Perry, Patricia A. Hubbard
-
Patent number: 6602597Abstract: Silicone primer compositions that provide excellent anchorage for phenyl-based silicone pressure sensitive adhesive prepared tape. The compositions comprise a phenyl-modified siloxane component such as a dimethyl-diphenyl siloxane component. The relative amount of phenyl substituents in the phenyl-modified primer matches the mole percent of phenyl substituents in the adhesive. One particular PSA system includes a primer composition and an adhesive which both contain a dimethyl, 5.3 mole percent diphenyl, silanol chain stopped silicone gum. Very thin layers of the primer are used between a substrate and a pressure sensitive adhesive. The primer compositions virtually eliminate all tendencies of phenyl-based silicone PSA prepared tape to delaminate.Type: GrantFiled: June 14, 1996Date of Patent: August 5, 2003Assignee: General Electric CompanyInventor: Stuart Robert Kerr, III
-
Patent number: 6548465Abstract: A dry cleaning composition comprising a volatile siloxane and an aminofunctional siloxane and, optionally water or acid, and a method for dry cleaning comprising contacting an article with a composition comprising a volatile siloxane and an aminofunctional siloxane.Type: GrantFiled: December 14, 2000Date of Patent: April 15, 2003Assignee: General Electric CompanyInventors: Robert J. Perry, Donna Ann Riccio, Larry D. Ryan
-
Patent number: 6548629Abstract: The cross-linked hydrosilylation reaction product of an alkenyl functional silicone compound, a silylhydride functional silicone compound, and one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds exhibits stability, compatibility with polar organic solvents and is useful as a component in personal care compositions.Type: GrantFiled: October 5, 2001Date of Patent: April 15, 2003Assignee: General Electric CompanyInventors: John A. Kilgour, Atchara Chaiyawat, An-Li Kuo, Donald E. Firstenberg
-
Patent number: 6548574Abstract: An untreated filler and a high viscosity silicone polymer premix is charged into a compounding apparatus. Treating agent and additional silicone polymer are added to the premix and the premix, treating agent and additional silicone polymer are compounded to produce a heat vulcanizable filled silicone composition.Type: GrantFiled: December 21, 1999Date of Patent: April 15, 2003Assignee: General Electric CompanyInventors: Devesh Mathur, Alan L. Tate
-
Patent number: 6545085Abstract: The cross-linked hydrosilylation reaction product of an alkenyl functional silicone compound, a silylhydride functional silicone compound, and one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds exhibits stability, compatibility with polar organic solvents and is useful as a component in personal care compositions.Type: GrantFiled: October 5, 2001Date of Patent: April 8, 2003Assignee: General Electric CompanyInventors: John A. Kilgour, Atchara Chaiyawat, An-Li Kuo, Donald E. Firstenberg
-
Patent number: 6538061Abstract: A composition comprising the reaction products of MaMHbMEcDdDHeDEfTgTHhTEiQj where M=R1R2R3SiO1/2; MH=R4R5HSiO1/2; ME=R6R7RESiO1/2; D=R8R9SiO2/2; DH=R10HSiO2/2; DE=R11RESiO2/2; T=R12SiO3/2; TH=HSiO3/2; TE=RESiO3/2; and Q=SiO4/2; where R1, R2, R3, R8, R9 and R12 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms; R4, R5 and R10 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms or hydrogen; R6, R7, R11 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms or RE; each RE is independently a monovalent hydrocarbon radical containing one or more oxirane moieties having from one to sixty carbon atoms; the stoichiometric subscripts a, b, c, d, e, f, g, h, i, and j are either zero or positive subject to the following limitations: a+b+c>1; b+e+h>1; c+f+i>1; b+e+h>c+f+iType: GrantFiled: May 16, 2001Date of Patent: March 25, 2003Assignee: General Electric CompanyInventors: Atchara Chaiyawat, Michael J. O'Brien
-
Patent number: 6534614Abstract: A process for preparing linear organohydrogensiloxanes. The process comprises contacting an organohydrogendichlorosilane in the presence of trimethylchlorosilane with water to form an M-stopped hydrolyzate. The hydrolyzate is optionally preheated prior to being contacted with an acidic rearrangement catalyst to effect formation of linear organohydrogensiloxanes. The linear organohydrogensiloxanes are separated from cyclic organohydrogensiloxanes and recovered. The cyclic organohydrogensiloxanes may then be recycled to the process for further contact with the acidic rearrangement catalyst for maximum overall conversion rate.Type: GrantFiled: April 4, 2001Date of Patent: March 18, 2003Assignee: General Electric CompanyInventors: Luisito A. Tolentino, Akber Ali Khanshab
-
Patent number: 6531540Abstract: A composition comprising the reaction products of MaMHbMEcDdDHeDEfTgTHhTEiQj where M=R1R2R3SiO1/2; MH=R4R5HSiO1/2; ME=R6R7RESiO1/2; D=R8R9SiO2/2; DH=R10HSiO2/2; DE=R11RESiO2/2; T=R12SiO3/2; TH=HSiO3/2; TE=RESiO3/2; and Q=SiO4/2; where R1, R2, R3, R8, R9 and R12 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms; R4, R5 and R10 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms or hydrogen; R6, R7, R11 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms or RE; each RE is independently a monovalent hydrocarbon radical containing one or more oxirane moieties having from one to sixty carbon atoms; the stoichiometric subscripts a, b, c, d, e, f, g, h, i, and j are either zero or positive subject to the following limitations: a+b+c>1; b+e+h>1; c+f+i>1; b+e+h>c+f+i;Type: GrantFiled: May 16, 2001Date of Patent: March 11, 2003Assignee: General Electric CompanyInventor: Michael J. O'Brien
-
Patent number: 6521580Abstract: A dry cleaning composition comprising a volatile siloxane and an organic surfactant and, optionally water, and a method for dry cleaning comprising contacting an article with a composition comprising a volatile siloxane and an organic surfactant.Type: GrantFiled: December 6, 2000Date of Patent: February 18, 2003Assignee: General Electric CompanyInventors: Robert J. Perry, Donna Ann Riccio, Larry D. Ryan
-
Patent number: 6495057Abstract: A composition containing water, alcohol and a silicone surfactant containing at least one polyether substituent group per molecule is useful in treating wrinkled fabric to reduced the amount of wrinkling.Type: GrantFiled: December 28, 1999Date of Patent: December 17, 2002Assignee: General Electric CompanyInventors: Amy-Elizabeth Kasson, Robert J. Perry, Susan A. Nye, Christine J. Phillips
-
Patent number: 6492433Abstract: Blends of epoxy-functional silicone polymers with vinyl ether monomers and alkylphenol compounds plus an effective amount of a suitable iodonium photocatalyst provide a radiation-curable silicone release coating composition.Type: GrantFiled: August 1, 2001Date of Patent: December 10, 2002Assignee: General Electric CompanyInventor: Richard P. Eckberg
-
Patent number: 6492479Abstract: The invention comprises a method for producing fluorosilicone oil by reacting a fluorosilicone trimer with a triorganosilanol in the presence of an alkali silanolate. The polymer may be condensed to increase viscosity and decrease the silanol content of the polymer, and volatiles may be removed by stripping. The method provides a high yield of fluorosilicone oil of narrow viscosity ranges in an efficient reaction, and produces small amounts of waste.Type: GrantFiled: August 22, 2001Date of Patent: December 10, 2002Assignee: General Electric CompanyInventors: John S. Razzano, Nancy E. Gosh
-
Patent number: 6474971Abstract: Filler, processing fluid and silicone polymer are controllably compounded into homogeneous filled heat cured rubber compositions with requisite reinforcing properties and levels of volatiles. In the process, a continuous feed of a silicone polymer to a compounding apparatus is monitored and a signal is generated in accordance with the monitored rate of feed. Rate of feed of filler and additives to the compounding apparatus are then adjusted in accordance with the signal.Type: GrantFiled: August 23, 2000Date of Patent: November 5, 2002Assignee: General Electric CompanyInventors: Stephen Dong, Devesh Mathur, Robert Dean
-
Patent number: 6444154Abstract: A continuous process provides a devolatilized liquid injection moldable silicone composition. In the process, a filler, treating agent and silicone polymer are introduced into an extruder having a length to diameter ratio of at least greater than 50. The filler, treating agent and silicone elastomer are continuously compounded in the extruder into a devolatilized liquid injection moldable silicone composition. A system for preparing a liquid silicone rubber composition comprises a mixer to prepare a concentrate of filler and silicone polymer, a long extruder having an L/D ratio of greater than 50, connected to the mixer to receive the concentrate from the mixer and to compound and devolatilize the concentrate, a treating agent and silicone polymer into a liquid silicone rubber composition containing volatiles and a cooler to receive the liquid silicone rubber composition to cool, homogenize and further devolatilized the composition.Type: GrantFiled: December 20, 2000Date of Patent: September 3, 2002Assignee: General Electric CompanyInventors: Bruce Boudreau, Teresa Grocela-Rocha, Edward M. Jeram, August O. Liermann, Gerardo Rocha-Galicia, David A. Williams