Patents by Inventor Thomas A. Kovacena

Thomas A. Kovacena 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).

  • Bis(pentafluorosulfur)diacetylene polymer therefrom and preparations thereof
    Patent number: 4551349
    Abstract: A double substitution of pentafluorsulfur on diacetylene by a reaction of diacetylene with pentafluoro sulfur bromide, followed by a dehydrobromineaction with potassium hydroxide. The substituted diacetylene polymerizes in the liquid and gas phases. The polymer is useful as a coating and surface-treatment agent.
    Type: Grant
    Filed: December 16, 1983
    Date of Patent: November 5, 1985
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Thomas A. Kovacena, Ronald A. DeMarco, Arthur W. Snow