Patents by Inventor Joshua S. Dickstein

Joshua S. Dickstein 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).

  • POLYMERS FUNCTIONALIZED WITH PROTECTED OXIME COMPOUNDS CONTAINING A CYANO GROUP
    Publication number: 20150329655
    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 a protected oxime compound containing a cyano group.
    Type: Application
    Filed: May 5, 2015
    Publication date: November 19, 2015
    Inventors: Steven LUO, Joshua S. DICKSTEIN
  • Polymers functionalized with protected hydrazone compounds containing an acyl group
    Patent number: 9115231
    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 a protected hydrazone compound containing an acyl group.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: August 25, 2015
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Joshua S. Dickstein
  • Polymers functionalized with polyhydrazone compounds
    Patent number: 8962766
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a protected polyhydrazone compound.
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: February 24, 2015
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Joshua S. Dickstein, Dennis R. Brumbaugh
  • Bulk Polymerization Process For Producing Polydienes
    Publication number: 20140378630
    Abstract: A process for preparing a polydiene, the process comprising the steps of: polymerizing conjugated diene monomer with a metallocene complex catalyst system within a polymerization mixture that includes less than 20% by weight of solvent based on the total weight of the polymerization mixture, where the metallocene complex catalyst system includes the combination or reaction product of: (a) metallocene complex, (b) an alkylating agent, and optionally (c) a non-coordinating anion.
    Type: Application
    Filed: December 27, 2012
    Publication date: December 25, 2014
    Applicant: Bridgestone Corporation
    Inventors: Kevin M. McCauley, Zengquan Qin, Joshua S. Dickstein, Steven Luo
  • POLYMERS FUNCTIONALIZED WITH UNSATURATED HETEROCYCLES CONTAINING AN AZOLINYL GROUP
    Publication number: 20140187711
    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 unsaturated heterocycle containing an azolinyl group.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 3, 2014
    Inventors: Steven LUO, Joshua P. ABELL, Joshua S. DICKSTEIN
  • Lanthanide Complex Catalyst And Polymerization Method Employing Same
    Publication number: 20140039126
    Abstract: A novel class of lanthanide metal salen complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers.
    Type: Application
    Filed: February 5, 2012
    Publication date: February 6, 2014
    Applicant: Bridgestone Corporation
    Inventors: Zengquan Qin, Steven Luo, Joshua S. Dickstein
  • Polymers Functionalized With Protected Hydrazone Compounds Containing An Acyl Group
    Publication number: 20140031488
    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 a protected hydrazone compound containing an acyl group.
    Type: Application
    Filed: July 26, 2013
    Publication date: January 30, 2014
    Applicant: Bridgestone Corporation
    Inventors: Steven Luo, Joshua S. Dickstein
  • Lanthanide Complex Catalyst And Polymerization Method Employing Same
    Publication number: 20140031503
    Abstract: A novel class of lanthanide metal phenoxyimine complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers.
    Type: Application
    Filed: February 5, 2012
    Publication date: January 30, 2014
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Zengquan Qin, Steven Luo, Joshua S. Dickstein
  • POLYMERS FUNCTIONALIZED WITH POLYHYDRAZONE COMPOUNDS
    Publication number: 20130079463
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a protected polyhydrazone compound.
    Type: Application
    Filed: September 17, 2012
    Publication date: March 28, 2013
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Steven Luo, Joshua S. Dickstein, Dennis R. Brumbaugh