Patents by Inventor Tony C. Chang

Tony C. Chang 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).

  • One part heat curable organopolysiloxane compositions
    Patent number: 5015691
    Abstract: A one part heat curable organopolysiloxane composition is provided having an olefinically unsaturated organopolysiloxane, and an organohydrogenpolysiloxane, and a platinum catalyst encapsulated in an organic polymer such as a thermoplastic organic polymer, or a thermosetting organic polymer.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: May 14, 1991
    Assignee: General Electric Company
    Inventors: Larry N. Lewis, Tony C. Chang
  • Method for preparing biaryl compounds
    Patent number: 4952708
    Abstract: An improved method for making biaryl compounds is disclosed, in which an aromatic acid halide having at least one strong electron-withdrawing group attached to or within the aromatic ring is reacted with at least one polysilane in the presence of an effective amount of a transition metal catalyst.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: August 28, 1990
    Assignee: General Electric Company
    Inventors: Jonathan D. Rich, Terry E. Krafft, Philip J. McDermott, Tony C. Chang