Patents by Inventor David M. Roggeman
David M. Roggeman 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).
-
Patent number: 11512161Abstract: An ethylenically unsaturated polymer includes at a terminus the radical of an allylic compound that includes a functional group free of active hydrogen atoms that is bonded to the allylic C atom through a S, P, Si or Sn atom and a vinyl aromatic compound. The polymer can be used as a component of a variety of elastomeric compounds used in the production of vulcanizates.Type: GrantFiled: October 26, 2020Date of Patent: November 29, 2022Assignee: Bridgestone CorporationInventors: Yuan-Yong Yan, David M. Roggeman
-
Publication number: 20220106421Abstract: A process for preparing a polydiene having increased viscosity and reduced cold flow that includes polymerizing a conjugated diene monomer in the presence of a lanthanide-containing compound to form an intermediate polymer, and then adding a non-organometallic trimellitate ester compound as a coupling agent to raise the viscosity of the intermediate polymer. The coupling agent is added to the intermediate polymer mixture in an amount of about 0.01 to about 0.15 parts per hundred monomer (phm) of the starting monomer amount.Type: ApplicationFiled: January 28, 2020Publication date: April 7, 2022Applicant: Bridgestone Americas Tire Operations, LLCInventors: James J. Kuhel, III, David M. Roggeman
-
Patent number: 11104748Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: GrantFiled: July 15, 2019Date of Patent: August 31, 2021Assignee: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine M. Rademacher, David M. Roggeman, Fuminori Ota
-
Publication number: 20210115176Abstract: An ethylenically unsaturated polymer includes at a terminus the radical of an allylic compound that includes a functional group free of active hydrogen atoms that is bonded to the allylic C atom through a S, P, Si or Sn atom and a vinyl aromatic compound. The polymer can be used as a component of a variety of elastomeric compounds used in the production of vulcanizates.Type: ApplicationFiled: October 26, 2020Publication date: April 22, 2021Applicant: Bridgestone CorporationInventors: Yuan-Yong Yan, David M. Roggeman
-
Patent number: 10815328Abstract: An ethylenically unsaturated polymer includes at a terminus the radical of an allylic compound that includes a functional group free of active hydrogen atoms that is bonded to the allylic C atom through a S, P, Si or Sn atom and a vinyl aromatic compound. The polymer can be used as a component of a variety of elastomeric compounds used in the production of vulcanizates.Type: GrantFiled: October 8, 2016Date of Patent: October 27, 2020Assignee: Bridgestone CorporationInventors: Yuan-Yong Yan, David M. Roggeman
-
Patent number: 10745497Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: GrantFiled: February 5, 2018Date of Patent: August 18, 2020Assignee: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine M. Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 10618994Abstract: An ethylenically unsaturated polymer includes at a terminus the radical of a compound that is the reaction product of a secondary amine and a vinyl aromatic compound. The secondary amine portion of the compound can be a cyclic compound with N as one of its ring atoms, while the vinyl aromatic compound can include one or more substituents. The polymer can be used as a component of a variety of elastomeric compounds used in the production of vulcanizates.Type: GrantFiled: October 8, 2016Date of Patent: April 14, 2020Assignee: Bridgestone CorporationInventors: Yuan-Yong Yan, David M. Roggeman
-
Publication number: 20190338052Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: ApplicationFiled: July 15, 2019Publication date: November 7, 2019Applicant: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine M. Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 10351636Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: GrantFiled: June 12, 2017Date of Patent: July 16, 2019Assignee: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
-
Publication number: 20180371140Abstract: An ethylenically unsaturated polymer includes at a terminus the radical of a compound that is the reaction product of a secondary amine and a vinyl aromatic compound. The secondary amine portion of the compound can be a cyclic compound with N as one of its ring atoms, while the vinyl aromatic compound can include one or more substituents. The polymer can be used as a component of a variety of elastomeric compounds used in the production of vulcanizates.Type: ApplicationFiled: October 8, 2016Publication date: December 27, 2018Applicant: Bridgestone CorporationInventors: Yuan-Yong Yan, David M. Roggeman
-
Publication number: 20180346631Abstract: An ethylenically unsaturated polymer includes at a terminus the radical of an allylic compound that includes a functional group free of active hydrogen atoms that is bonded to the allylic C atom through a S, P, Si or Sn atom and a vinyl aromatic compound. The polymer can be used as a component of a variety of elastomeric compounds used in the production of vulcanizates.Type: ApplicationFiled: October 8, 2016Publication date: December 6, 2018Applicant: Bridgestone CorporationInventors: Yuan-Yong Yan, David M. Roggeman
-
Publication number: 20180155460Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Applicant: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine M. Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 9884923Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: GrantFiled: December 30, 2010Date of Patent: February 6, 2018Assignee: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 9868805Abstract: Embodiments provide polydienes and diene copolymers having organophosphines functionality. Specific embodiments employ phosphorus-containing organometal initiators and copolymers prepared by anionically polymerizing conjugated diene monomer and vinyl organophosphine.Type: GrantFiled: May 1, 2013Date of Patent: January 16, 2018Assignee: Bridgestone CorporationInventors: Terrence E. Hogan, William L. Hergenrother, David M. Roggeman
-
Publication number: 20170283516Abstract: Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer.Type: ApplicationFiled: June 12, 2017Publication date: October 5, 2017Applicant: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 9676874Abstract: Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator.Type: GrantFiled: February 3, 2016Date of Patent: June 13, 2017Assignee: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 9422379Abstract: In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound, (d) a carboxylic acid, and (e) an alcohol.Type: GrantFiled: June 30, 2014Date of Patent: August 23, 2016Assignee: Bridgestone CorporationInventors: Zengquan Qin, Jason T. Poulton, David M. Roggeman, Shigeaki Matsuo
-
Patent number: 9365660Abstract: A group of compounds defined by the general formula (I) can be used to anionically initiate polymerization of unsaturated monomers. In the formula, M is an alkali metal atom, R1 is an aryl group having at least one OR2 substituent group where each R2 is a group that is nonreactive toward M, and R is a hydrocarbyl group. The subject initiators can be used in semi-batch and continuous polymerization processes, even those which are performed at elevated temperatures.Type: GrantFiled: June 28, 2010Date of Patent: June 14, 2016Assignee: Bridgestone CorporationInventors: Yuan-Yong Yan, Zengquan Qin, Xiao-Dong Pan, David M. Roggeman
-
Publication number: 20160152756Abstract: Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator.Type: ApplicationFiled: February 3, 2016Publication date: June 2, 2016Applicant: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
-
Patent number: 9255158Abstract: Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator.Type: GrantFiled: December 15, 2014Date of Patent: February 9, 2016Assignee: Bridgestone CorporationInventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota