Patents by Inventor Srivatsan Srinivas

Srivatsan Srinivas 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).

  • High impact polymer compositions
    Publication number: 20050054781
    Abstract: Disclosed herein are various compositions that have particular utility in automotive components, including compositions that include: (a) polypropylene having a melting point of 110° C. or more; (b) ethylene a-olefin polymer in which the ?-olefin is C4 or higher; and (c) propylene polymer, having 60 wt % or more units derived from propylene, including isotactically arranged propylene derived sequences and a heat of fusion less than 45 J/g.
    Type: Application
    Filed: July 21, 2004
    Publication date: March 10, 2005
    Inventors: Narayanaswami Dharmarajan, Michael Williams, Sudhin Datta, Prasadarao Meka, Srivatsan Srinivas
  • Polymer composite structure
    Patent number: 6852424
    Abstract: Two-component polymer composite structures are described, such as a composite structure that includes a first polymer structure and a second polymer structure adhered to one another through interfacial adhesion provided by a semicrystalline random copolymer with 70-88 mole % propylene units and alpha olefin units having 2 or from 4 to 10 carbon atoms, the semicrystalline random copolymer having a heat of fusion of from 2 to 90 J/g and a crystallinity of from 2% to 65% of the crystallinity of isotatic polypropylene.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: February 8, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Narayanaswami Raja Dharmarajan, Sudhin Datta, Michael C. Bulawa, Srivatsan Srinivas, Thomas J. Reynolds
  • Polymerization process
    Publication number: 20040152851
    Abstract: This invention relates to a process to polymerize olefins comprising:
    Type: Application
    Filed: January 13, 2004
    Publication date: August 5, 2004
    Inventors: Weiqing Weng, Srivatsan Srinivas, Robert J. Wittenbrink
  • Polymer composite structure
    Publication number: 20040053067
    Abstract: Two-component polymer composite structures are described, such as a composite structure that includes a first polymer structure and a second polymer structure adhered to one another through interfacial adhesion provided by a semicrystalline random copolymer with 70-88 mole % propylene units and alpha olefin units having 2 or from 4 to 10 carbon atoms, the semicrystalline random copolymer having a heat of fusion of from 2 to 90 J/g and a crystallinity of from 2% to 65% of the crystallinity of isotatic polypropylene.
    Type: Application
    Filed: June 20, 2003
    Publication date: March 18, 2004
    Inventors: Narayanaswami Raja Dharmarajan, Sudhin Datta, Michael C. Bulawa, Srivatsan Srinivas, Thomas J. Reynolds