Patents by Inventor Robert Fokko Roskamp
Robert Fokko Roskamp 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: 9416211Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion. The invention is further directed to a pneumatic tire comprising the rubber composition.Type: GrantFiled: September 16, 2015Date of Patent: August 16, 2016Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Georges Marcel Victor Thielen
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Publication number: 20160083494Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion. The invention is further directed to a pneumatic tire comprising the rubber composition.Type: ApplicationFiled: September 16, 2015Publication date: March 24, 2016Inventors: Ralf MRUK, Frank SCHMITZ, Robert Fokko ROSKAMP, Georges Marcel Victor THIELEN
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Patent number: 9243135Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and an encapsulated metal salt. The invention is further directed to a pneumatic runflat tire comprising a sidewall insert, the insert comprising the rubber composition.Type: GrantFiled: May 4, 2015Date of Patent: January 26, 2016Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Christian Jean-Marie Kaes
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Publication number: 20150299437Abstract: The invention relates to functionalization of diene-based elastomers with end-chain or in-chain functional groups to promote good dispersion of graphene and carbon nanotubes, and enhance strong interaction between elastomers and graphene and carbon nanotubes. This invention also relates to preparation of rubber reinforced with at least one of graphene and carbon nanotubes with functionalized diene-based elastomer and tire with component thereof.Type: ApplicationFiled: April 16, 2014Publication date: October 22, 2015Applicant: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Annette Lechtenboehmer, Klaus Unseld, Claude Ernest Felix Boes, Frederic Gerard Auguste Siffer, Ling Du, Robert Fokko Roskamp, Leena Nebhani
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Patent number: 9163101Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion. The invention is further directed to a pneumatic tire comprising the rubber composition.Type: GrantFiled: December 21, 2011Date of Patent: October 20, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp
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Patent number: 9156932Abstract: A method of making a graft copolymer, comprising the steps of obtaining a first polymer comprising at least one carbon-carbon double bond, the first polymer derived from at least one first monomer, the at least one first monomer comprising a conjugated diene monomer; obtaining a second polymer, the second polymer capable of exhibiting a lower critical solution temperature (LCST) and comprising a terminal functional group capable of reacting with the carbon-carbon double bond; and reacting the second polymer with the first polymer to form a graft copolymer, the graft copolymer comprising a backbone derived from the first polymer and sidechains derived from the second polymer.Type: GrantFiled: December 21, 2011Date of Patent: October 13, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel
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Patent number: 9133310Abstract: The present invention is directed to a copolymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and polymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer capable of exhibiting a lower critical solution temperature (LCST).Type: GrantFiled: December 21, 2011Date of Patent: September 15, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel
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Patent number: 9133333Abstract: The present invention is directed to a polymer blend, the blend including a diene-based elastomer grafted with a substituted acrylamide polymer through a sulfur atom, and from 1 to 20 percent by weight of an additional polymer miscible with the substituted acrylamide polymer.Type: GrantFiled: November 27, 2012Date of Patent: September 15, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Alexandra Hermann, Robert Fokko Roskamp, Ralf Mruk, Liqing Ma, Frank James Feher, Rudolf Wilhelm Zentel, Bruce Raymond Hahn
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Publication number: 20150232649Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and an encapsulated metal salt. The invention is further directed to a pneumatic runflat tire comprising a sidewall insert, the insert comprising the rubber composition.Type: ApplicationFiled: May 4, 2015Publication date: August 20, 2015Inventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Christian Jean-Marie Kaes
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Patent number: 9090757Abstract: The invention relates to preparation of rubber reinforced with at least one of graphene and carbon nanotubes with specialized coupling agent and tire with component thereof.Type: GrantFiled: July 15, 2013Date of Patent: July 28, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Annette Lechtenboehmer, Klaus Unseld, Claude Ernest Felix Boes, Frederic Gerard Auguste Siffer, Ling Du, Robert Fokko Roskamp, Leena Nebhani
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Patent number: 9050856Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and an encapsulated metal salt. The invention is further directed to a pneumatic runflat tire comprising a sidewall insert, the insert comprising the rubber composition.Type: GrantFiled: December 21, 2011Date of Patent: June 9, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Christian Jean-Marie Kaes
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Patent number: 8962730Abstract: The present invention is directed to a self-healing rubber composition comprising a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a partitioned metal ion. The invention is further directed to a pneumatic tire comprising the self-healing rubber composition.Type: GrantFiled: November 27, 2012Date of Patent: February 24, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Christian Jean-Marie Kaes, Robert Fokko Roskamp
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Publication number: 20150018481Abstract: The invention relates to preparation of rubber reinforced with at least one of graphene and carbon nanotubes with specialized coupling agent and tire with component thereof.Type: ApplicationFiled: July 15, 2013Publication date: January 15, 2015Applicant: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Annette Lechtenboehmer, Klaus Unseld, Claude Ernest Felix Boes, Frederic Gerard Auguste Siffer, Ling Du, Robert Fokko Roskamp, Leena Nebhani
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Patent number: 8883884Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a polymer blend comprising a copolymer and an additional polymer, the copolymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and polymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer immiscible with the backbone; the additional polymer consisting of a polymer miscible with the polymeric sidechains.Type: GrantFiled: November 27, 2012Date of Patent: November 11, 2014Assignee: The Goodyear Tire & Rubber CompanyInventors: Liqing Ma, Robert Fokko Roskamp, Ralf Mruk, Frank James Feher, Bruce Raymond Hahn
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Patent number: 8859687Abstract: The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion.Type: GrantFiled: December 21, 2011Date of Patent: October 14, 2014Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel
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Patent number: 8759451Abstract: The present invention is directed to a method of making a graft copolymer, comprising the steps of: obtaining a first polymer comprising at least one carbon-carbon double bond, the first polymer derived from at least one monomer, the at least one monomer comprising a conjugated diene monomer; polymerizing a second monomer in the presence of a thiocarbonylthio RAFT chain transfer agent to form a polymer comprising a terminal thiocarbonylthio group; cleaving the terminal thiocarbonylthio group to a thiol group to form the second polymer comprising a terminal thiol group; reacting the second polymer with the first polymer to form a graft copolymer, the graft copolymer comprising a backbone derived from the first polymer and sidechains derived from the second polymer.Type: GrantFiled: December 21, 2011Date of Patent: June 24, 2014Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel
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Publication number: 20140148554Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a polymer blend comprising a copolymer and an additional polymer, the copolymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and polymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer immiscible with the backbone; the additional polymer consisting of a polymer miscible with the polymeric sidechains.Type: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Applicant: THE GOODYEAR TIRE & RUBBER COMPANYInventors: Liqing Ma, Robert Fokko Roskamp, Ralf Mruk, Frank James Feher, Bruce Raymond Hahn
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Publication number: 20140148555Abstract: The present invention is directed to a self-healing rubber composition comprising a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a partitioned metal ion. The invention is further directed to a pneumatic tire comprising the self-healing rubber composition.Type: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Applicant: THE GOODYEAR TIRE & RUBBER COMPANYInventors: Ralf Mruk, Christian Jean-Marie Kaes, Robert Fokko Roskamp
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Publication number: 20140148551Abstract: The present invention is directed to a polymer blend comprising a first polymer and a second polymer, the first polymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and polymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer immiscible with the backbone; the second polymer consisting of a polymer miscible with the polymeric sidechains.Type: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Applicant: THE GOODYEAR TIRE & RUBBER COMPANYInventors: Alexandra Hermann, Robert Fokko Roskamp, Ralf Mruk, Liqing Ma, Frank James Feher, Rudolf Wilhelm Zentel, Bruce Raymond Hahn
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Publication number: 20130245199Abstract: The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising an oligopeptide or modified oligopeptide.Type: ApplicationFiled: March 14, 2012Publication date: September 19, 2013Inventors: Ralf Mruk, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel