Patents by Inventor Christine Rademacher

Christine Rademacher 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).

  • Processes for preparing aminosilane functionalized polymers
    Patent number: 10351636
    Abstract: 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: Grant
    Filed: June 12, 2017
    Date of Patent: July 16, 2019
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Aminosilane initiators and functionalized polymers prepared therefrom
    Patent number: 9884923
    Abstract: 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: Grant
    Filed: December 30, 2010
    Date of Patent: February 6, 2018
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • PROCESSES FOR PREPARING AMINOSILANE FUNCTIONALIZED POLYMERS
    Publication number: 20170283516
    Abstract: 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: Application
    Filed: June 12, 2017
    Publication date: October 5, 2017
    Applicant: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Processes for preparing aminosilane functionalized polymers
    Patent number: 9676874
    Abstract: 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: Grant
    Filed: February 3, 2016
    Date of Patent: June 13, 2017
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • PROCESSES FOR PREPARING AMINOSILANE FUNCTIONALIZED POLYMERS
    Publication number: 20160152756
    Abstract: 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: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Applicant: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Functionalized polymers
    Patent number: 9315599
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an azodiester.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: April 19, 2016
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Christine Rademacher
  • Aminosilane initiators, functionalized polymers prepared therefrom and related processes
    Patent number: 9255158
    Abstract: 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: Grant
    Filed: December 15, 2014
    Date of Patent: February 9, 2016
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Polymer-modified asphalt compositions
    Patent number: 9187645
    Abstract: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition, where the block copolymer is defined by the formula ?-(D-V-d)X where each D is independently a polydiene block, each V is independently a vinyl aromatic block, each d is a polydiene end cap, ? is a coupling moiety, and x is an integer from 2 to 10.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: November 17, 2015
    Assignees: Firestone Polymers, LLC, Heritage Research Group
    Inventors: Herb Wissel, Peter Boerner, Daniel Graves, Christine Rademacher, Timothy Reece
  • AMINOSILANE INITIATORS, FUNCTIONALIZED POLYMERS PREPARED THEREFROM AND RELATED PROCESSES
    Publication number: 20150099852
    Abstract: 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: Application
    Filed: December 15, 2014
    Publication date: April 9, 2015
    Applicant: BRIDGESTONE CORPORATION
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • POLYMER-MODIFIED ASPHALT COMPOSITIONS
    Publication number: 20150065619
    Abstract: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition, where the block copolymer is defined by the formula ?-(D-V-d)X where each D is independently a polydiene block, each V is independently a vinyl aromatic block, each d is a polydiene end cap, ? is a coupling moiety, and x is an integer from 2 to 10.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 5, 2015
    Inventors: Herb WISSEL, Peter BOERNER, Daniel GRAVES, Christine RADEMACHER, Timothy REECE
  • Aminosilane initiators and functionalized polymers prepared therefrom
    Patent number: 8916665
    Abstract: 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 as a functional terminator.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: December 23, 2014
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Polymer-modified asphalt compositions
    Patent number: 8895645
    Abstract: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition, where the block copolymer is defined by the formula ?-(D-V-d)x where each D is independently a polydiene block, each V is independently a vinyl aromatic block, each d is a polydiene end cap, ? is a coupling moiety, and x is an integer from 2 to 10.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: November 25, 2014
    Assignees: Firestone Polymers, LLC, Heritage Research Group
    Inventors: Christine Rademacher, Timothy Reece, Herb Wissel, Daniel Graves, Peter Boerner
  • FUNCTIONALIZED POLYMERS
    Publication number: 20140187712
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an azodiester.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 3, 2014
    Inventors: Steven LUO, Christine RADEMACHER
  • POLYMER-MODIFIED ASPHALT COMPOSITIONS
    Publication number: 20140066549
    Abstract: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition, where the block copolymer is defined by the formula ?-(D-V-d)x where each D is independently a polydiene block, each V is independently a vinyl aromatic block, each d is a polydiene end cap, ? is a coupling moiety, and x is an integer from 2 to 10.
    Type: Application
    Filed: November 8, 2013
    Publication date: March 6, 2014
    Applicants: HERITAGE RESEARCH GROUP, FIRESTONE POLYMERS, LLC
    Inventors: Herb WISSEL, Peter BOERNER, Daniel GRAVES, Christine RADEMACHER, Timothy REECE
  • Hysteresis elastomeric compositions comprising polymers terminated with isocyanato alkoxysilanes
    Patent number: 8642704
    Abstract: A functionalized polymer terminated by using an isocyanato alkoxysilane terminating agent. A method of preparing a functionalized polymer comprising the step of contacting a living polymer with an isocyanato alkoxysilane terminating agent.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: February 4, 2014
    Assignee: Bridgestone Corporation
    Inventors: Christine Rademacher, David F. Lawson, Terrence E. Hogan
  • Polymer-modified asphalt compositions
    Patent number: 8580874
    Abstract: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: November 12, 2013
    Assignees: Firestone Polymers, LLC, Heritage Research Group
    Inventors: Herb Wissel, Peter Boerner, Daniel Graves, Christine Rademacher, Timothy Reece
  • Aminosilane Initiators And Functionalized Polymers Prepared Therefrom
    Publication number: 20130281645
    Abstract: 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 as a functional terminator.
    Type: Application
    Filed: June 22, 2011
    Publication date: October 24, 2013
    Applicant: Bridgestone Corporation
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Fluorescent nanoparticles
    Patent number: 8410225
    Abstract: A fluorescent nanoparticle includes a core comprising an alkenylbenzene; an intermediate layer, an outer shell layer, and a fluorescent portion. The fluorescent portion includes a structure represented by the following formula: wherein L is a direct bond or a linker group, and F is any fluorescent moiety. The fluorescent portion is located in at least one of the following locations: the core, the intermediate layer, or the shell layer of the nanoparticle. Methods for making the fluorescent nanoparticle are also described.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: April 2, 2013
    Assignee: Bridgestone Corporation
    Inventors: Xiaorong Wang, Christine Rademacher
  • Functionalized polymers and improved tires therefrom
    Patent number: 8399570
    Abstract: A tire component comprising a vulcanized residue of a functionalized polymer defined by the formula I where ? is a rubbery polymer chain, B is a boron atom, R1 is a bond or a divalent organic group, and each ? is independently selected from thioalkoxy groups (—SR), amino groups (—NR2), or phosphino groups (—PR2), where each R is independently selected from monovalent organic groups or two R groups form a divalent organic group, which forms a cyclic structure.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: March 19, 2013
    Assignee: Bridgestone Corporation
    Inventors: Christine Rademacher, Steven Luo, Terrence E. Hogan
  • AMINOSILANE INITIATORS AND FUNCTIONALIZED POLYMERS PREPARED THEREFROM
    Publication number: 20130066008
    Abstract: 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: Application
    Filed: December 30, 2010
    Publication date: March 14, 2013
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota