Patents by Inventor Patricia Pike ANDERSON

Patricia Pike ANDERSON 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).

  • Catalyst for synthesis of siloxanes
    Patent number: 9751987
    Abstract: The present technology provides compositions, methods, and processes to form polysiloxanes. In one aspect, the present technology provides a process for the ring opening polymerization of a cyclosiloxane comprising contacting a cyclosiloxane with a N-trialkylsilyl-bis(perfluoroalkylsulfonyl)imide compound.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: September 5, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Karthikeyan Sivasubramanian, Patricia Pike Anderson, Vivek Khare
  • Catalyst for synthesis of siloxanes
    Patent number: 9683083
    Abstract: The present technology provides compositions, methods, and processes to form polysiloxanes. In one aspect, the present technology provides a process for the ring opening polymerization of a cyclosiloxane comprising contacting a cyclosiloxane with a bicyclic guanidine compound. The guanidine-containing compounds useful in the ring opening reaction include a fused ring structure comprising a guanidine functional group as part of the fused ring.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: June 20, 2017
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Karthikeyan Sivasubramanian, Patricia Pike Anderson, Vivek Khare
  • CATALYST FOR SYNTHESIS OF SILOXANES
    Publication number: 20160355643
    Abstract: The present technology provides compositions, methods, and processes to form polysiloxanes. In one aspect, the present technology provides a process for the ring opening polymerization of a cyclosiloxane comprising contacting a cyclosiloxane with a N-trialkylsilyl-bis(perfluoroalkylsulfonyl)imide compound.
    Type: Application
    Filed: August 18, 2014
    Publication date: December 8, 2016
    Inventors: Karthikeyan SIVASUBRAMANIAN, Patricia Pike ANDERSON, Vivek KHARE
  • CATALYST FOR SYNTHESIS OF SILOXANES
    Publication number: 20160215097
    Abstract: The present technology provides compositions, methods, and processes to form polysiloxanes. In one aspect, the present technology provides a process for the ring opening polymerization of a cyclosiloxane comprising contacting a cyclosiloxane with a bicyclic guanidine compound. The guanidine-containing compounds useful in the ring opening reaction include a fused ring structure comprising a guanidine functional group as part of the fused ring.
    Type: Application
    Filed: August 18, 2014
    Publication date: July 28, 2016
    Inventors: Karthikeyan SIVASUBRAMANIAN, Patricia Pike ANDERSON, Vivek KHARE