Patents by Inventor William J. Swatos

William J. Swatos 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).

  • Process for making copolymers of maleic anhydride and alkyl vinyl ether of high specific viscosity
    Patent number: 7396886
    Abstract: A process for making high specific viscosity copolymers of maleic anhydride and an alkyl vinyl either having as specific viscosity of at least 7, preferably 10-50, are made by copolymerizing maleic anhydride and an alkly vinyl ether monomers in the presence of added acetylene.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: July 8, 2008
    Assignee: ISP Investments Inc.
    Inventors: Yoon Tae Kwak, Paul D. Taylor, William J. Swatos
  • Process for branching thermoplastic linear polycarbonate resins
    Patent number: 6160082
    Abstract: Linear polyesters are branched by transesterification with resins having the formula: ##STR1## wherein n is an integer of from 1 to 10.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: December 12, 2000
    Assignee: General Electric Company
    Inventors: Ye-Gang Lin, Roy R. Odle, William J. Swatos, Pin-pin Wu
  • Method of preparing polycarbonate-polysiloxane block copolymers
    Patent number: 5616674
    Abstract: Polycarbonate-polysiloxane block copolymers are prepared by interfacial polymerization technique in the presence or a phase transfer catalyst.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: April 1, 1997
    Assignee: General Electric Company
    Inventors: Rodney L. Michel, Paul D. Sybert, Gary C. Davis, William J. Swatos
  • Method for inhibiting corrosion of metal surfaces
    Patent number: 4671933
    Abstract: A method for inhibiting corrosion of metal surfaces which comprises exposing the metal surfaces to an aminosilicon compound which is capable of hydrolyzing and releasing a volatile amine in the presence of atmospheric moisture.
    Type: Grant
    Filed: January 8, 1986
    Date of Patent: June 9, 1987
    Assignee: Stauffer-Wacker Silicones Corporation
    Inventors: Guenther F. Lengnick, Albert J. Sanders, Jr., William J. Swatos