Patents by Inventor Robert E. Kolb
Robert E. Kolb 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: 6359166Abstract: In one aspect, the invention provides curable fluoropolymer compositions comprising fluoropolymer, onium, and alkyl or aryl oxalate-blocked compound as a crosslinking agent. In other aspects, the invention provides methods of making curable fluoropolymer compositions and provides alkyl or aryl oxalate-blocked compounds.Type: GrantFiled: October 8, 1999Date of Patent: March 19, 2002Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Brant U. Kolb, Robert E. Kolb
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Patent number: 6346328Abstract: A composite article is provided which includes a fluoropolymer intimately bonded to a component including a substantially non-fluorinated thermoplastic having pendant phenolic groups in combination with a base. Increased adhesion is observed by a greater peel strength value between the fluoropolymer component and a non-fluorinated thermoplastic having pendant phenolic groups.Type: GrantFiled: June 10, 1999Date of Patent: February 12, 2002Assignee: Dyneon LLCInventors: Edward E. Parsonage, Attila A. Molnar, Thomas J. Blong, Robert E. Kolb
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Publication number: 20020013438Abstract: Curable fluoroelastomer compositions having improved compression set after curing are provided, as well as compositions that are of relatively high purity. These compositions include a hydrogen-containing fluoroelastomer having interpolymerized units derived from a cure-site monomer, a curative (optionally with a co-agent), and an organo-onium. When the fluoroelastomer contains units derived from vinylidene fluoride, the composition is essentially free from an inorganic acid acceptor. Methods of improving the compression of cured fluoroelastomer and cured fluoroelastomers having improved compression set are also provided.Type: ApplicationFiled: April 24, 2001Publication date: January 31, 2002Applicant: 3M Innovative Properties CompanyInventors: Werner M.A. Grootaert, William D. Coggio, Klaus Hintzer, Robert E. Kolb, Gernot Lohr
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Patent number: 6310141Abstract: Cured, latex-blended compositions featuring a fluoroelastomer and a fluoroplastic, and curable core-shell polymers having a fluoroelastomer precursor-containing shell and a fluoroplastic-containing core.Type: GrantFiled: June 27, 2000Date of Patent: October 30, 2001Assignee: Dyneon LLCInventors: Lisa P. Chen, Harald Kaspar, Klaus Hintzer, Robert E. Kolb, Albert Killich
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Patent number: 6270901Abstract: A method for increasing the adhesion of a first layer comprising a vinylidene fluoride containing fluoropolymer to a second layer comprising a curable elastomer is described. The method comprises adding a dehydrofluorinating composition to the curable elastomer, contacting the layers and curing the layered article so formed. The resulting multilayer compositions and articles are also disclosed.Type: GrantFiled: December 8, 1998Date of Patent: August 7, 2001Assignee: Dyneon LLCInventors: Edward E. Parsonage, Robert E. Kolb, Jerry L. Bymark
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Patent number: 5929169Abstract: This invention provides curable fluoroelastomer compositions comprising: (a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (b) at least one organo-onium compound such as those selected from the group consisting of ammonium, arsonium, phosphonium, stibonium, amino-phosphonium, phosphorane (e.g. triarylphosphorane), iminium, and sulfonium compounds; and (c) one or more aryl, allyl or alkyl carbonate-blocked compounds as crosslinking agents. Methods of curing fluoroelastomer compositions, and articles made therefrom are also described.Type: GrantFiled: November 26, 1997Date of Patent: July 27, 1999Assignee: Dyneon LLCInventors: Naiyong Jing, Robert E. Kolb
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Patent number: 5756588Abstract: This invention provides a curable fluoroelastomer composition comprising: (A) a fluorine-containing polymer or a blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (B) an aromatic polyhydroxy crosslinking agent; (C) at least one organo-onium compound; and (D) a monohydroxyfunctional phenol. The compositions provide for a method of improving scorch safety of curable fluoroelastomer compositions.Type: GrantFiled: September 18, 1997Date of Patent: May 26, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert E. Kolb, Naiyong Jing
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Patent number: 5728773Abstract: This invention provides curable fluoroelastomer compositions comprising: (a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (b) at least one organo-onium compound such as those selected from the group consisting of ammonium, arsonium, phosphonium, stibonium, amino-phosphonium, phosphorane (e.g. triarylphosphorane), iminium, and sulfonium compounds; and (c) one or more aryl, allyl or alkyl carbonate-blocked compound as a crosslinking agents. Methods of curing fluoroelastomer compositions, and articles made therefrom are also described.Type: GrantFiled: February 21, 1997Date of Patent: March 17, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Naiyong Jing, Robert E. Kolb
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Patent number: 5681881Abstract: Fluorocarbon elastomer gum is compounded with fluorinated ether compositions, the resulting compounded gum is shaped and heated to form a cured shaped article such as automotive fuel line hose or O-ring.Type: GrantFiled: May 24, 1996Date of Patent: October 28, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Naiyong Jing, Robert E. Kolb, Miguel A. Guerra
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Patent number: 5654375Abstract: This invention provides a curable fluoroelastomer composition comprising:(a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically-unsaturated monomers;(b) a crosslinking agent; and(c) an acid functional organo-onium compound.Type: GrantFiled: May 24, 1996Date of Patent: August 5, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Naiyong Jing, Robert E. Kolb, Trang D. Pham
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Patent number: 5500042Abstract: A curable fluoroelastomer composition comprising: (A) fluoroelastomer gum comprising interpolymerized, repeating units derived from vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin, (B) polyhydroxy compound, (C) organo-onium compound, and (D) fluoroaliphatic sulfonyl compound adhesion promoter, where the amount of fluoroaliphatic sulfonyl compound in the elastomeric composition is sufficient to result in greater adhesion of the elastomeric composition, after curing, to an inorganic surface coated with a primer composition comprising aminosilane compound, than can be achieved between an elastomeric composition comprising (A), (B), and (C), after curing, and an inorganic surface coated with said primer composition comprising aminosilane compound.Type: GrantFiled: January 21, 1994Date of Patent: March 19, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Werner M. Grootaert, Robert E. Kolb, George H. Millet
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Patent number: 5478652Abstract: A curable fluoroelastomer composition comprising: (A) fluoroelastomer gum comprising interpolymerized, repeating units derived from vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin, (B) polyhydroxy compound, (C) organo-onium compound, and (D) fluoroaliphatic sulfonyl compound adhesion promoter, where the amount of fluoroaliphatic sulfonyl compound in the elastomeric composition is sufficient to result in greater adhesion of the elastomeric composition, after curing, to an inorganic surface coated with a primer composition comprising aminosilane compound, than can be achieved between an elastomeric composition comprising (A), (B), and (C), after curing, and an inorganic surface coated with said primer composition comprising aminosilane compound.Type: GrantFiled: April 26, 1995Date of Patent: December 26, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Werner M. Grootaert, Robert E. Kolb, George H. Millet
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Patent number: 5284611Abstract: A curable fluoroelastomer composition comprising: (A) fluoroelastomer gum comprising interpolymerized, repeating units derived from vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin, (B) polyhydroxy compound, (C) organo-onium compound, and (D) fluoroaliphatic sulfonyl compound adhesion promoter, where the amount of fluoroaliphatic sulfonyl compound in the elastomeric composition is sufficient to result in greater adhesion of the elastomeric composition, after curing, to an inorganic surface coated with a primer composition comprising aminosilane compound, than can be achieved between an elastomeric composition comprising (A), (B), and (C), after curing, and an inorganic surface coated with said primer composition comprising aminosilane compound.Type: GrantFiled: May 18, 1993Date of Patent: February 8, 1994Assignee: Minnesota Mining and Manufacturing CompanyInventors: Werner M. A. Grootaert, Robert E. Kolb, George H. Millet
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Patent number: 5262490Abstract: A fluoroelastomer composition is disclosed comprising an elastomeric polymer and a combination of a sulfonium compound and an ammonium or phosphonium compound. Shaped articles comprising the composition are also disclosed.Type: GrantFiled: August 24, 1992Date of Patent: November 16, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert E. Kolb, Werner M. Grootaert
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Patent number: 5216085Abstract: Vulcanizable fluorocarbon elastomer compositions containing a vinylidene fluoride copolymer and a fluoroaliphatic sulfonamide curing agent. A second curing agent selected from organic polyhydroxy compounds or derivatives thereof, and an organo-onium accelerator are also employed. The compositions of this invention can be used to prepare shaped articles that exhibit high tensile strength accompanied by high elongation and a low value of compression set.Type: GrantFiled: January 9, 1992Date of Patent: June 1, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Richard A. Guenthner, Robert E. Kolb
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Patent number: 5086123Abstract: Vulcanizable fluorocarbon elastomer compositions containing a vinylidene fluoride copolymer and a fluoroaliphatic sulfonamide curing agent. A second curing agent selected from organic polyhydroxy compounds or derivatives thereof, and an organo-onium accelerator are also employed. The compositions of this invention can be used to prepare shaped articles that exhibit high tensile strength accompanied by high elongation and a low value of compression set.Type: GrantFiled: November 28, 1990Date of Patent: February 4, 1992Assignee: Minnesota Mining and Manufacturing CompanyInventors: Richard A. Guenthner, Robert E. Kolb
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Patent number: 4956419Abstract: This invention provides fluorine-containing polymers having a plurality of thioorgano groups. These polymers are prepared by reacting a fluoropolymer precursor with one or more, organic, thiolate compounds thereby modifying the fluoropolymer precursor by grafting onto its backbone the thioorgano groups. Said thioorgano groups may contain functional moieties that modify the cure properties, bulk properties or compatibility of the thioorgano fluoropolymer precursor. This invention also provides shaped or formed cured articles, coatings and solutions comprising the thioorgano fluoropolymers, and blends thereof with other compatible polymers.Type: GrantFiled: November 20, 1989Date of Patent: September 11, 1990Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert E. Kolb, Paul F. Tuckner, Richard A. Guenthner
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Patent number: 4912171Abstract: A fluoroelastomer composition curable in reactive admixture with an acid acceptor that includes an elastomeric gum consisting essentially of vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin and a combination of(A) polyhydroxy compound, and(B) organo-onium compound,and process of curing the elastomeric copolymer with an admixture of (A) and (B) and an acid acceptor, and the resulting shaped or formed, cured articles are described.Type: GrantFiled: August 17, 1989Date of Patent: March 27, 1990Assignee: Minnesota Mining and Manufacturing CompanyInventors: Werner M. A. Grootaert, Robert E. Kolb
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Patent number: 4894410Abstract: This invention provides fluorine-containing polymers having at least one thioorgano group. These polymers are prepared by reacting a fluoropolymer precursor with one or more, organic, thiolate compounds thereby modifying the fluoropolymer precursor by grafting onto its backbone the thioorgano groups. Said thioorgano groups may contain functional moieties that modify the cure properties, bulk, properties or compatibility of the thioorgano fluoropolymer precursor. This invention also provides shaped or formed cured articles, coatings and solutions comprising the thioorgano fluoropolymers, and blends thereof with other compatible polymers.Type: GrantFiled: March 9, 1988Date of Patent: January 16, 1990Assignee: Minnesota Mining and Manufacturing CompanyInventors: Robert E. Kolb, Paul F. Tuckner, Richard A. Guenthner
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Patent number: 4882390Abstract: A fluoroelastomer composition curable in reactive admixture with an acid acceptor that includes an elastomeric gum consisting essentially of vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin and a combination of(A) polyhydroxy compound, and(B) organo-onium compound, and process of curing the elastomeric copolymer with an admixture of (A) and (B) and an acid acceptor, and the resulting shaped or formed, cured articles are described.Type: GrantFiled: February 15, 1989Date of Patent: November 21, 1989Assignee: Minnesota Mining and Manufacturing CompanyInventor: Robert E. Kolb