Patents by Inventor Annette F. Katona

Annette F. Katona 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).

  • Non-sag agent and composition and method relating thereto
    Patent number: 5124372
    Abstract: A non-sag agent useful in providing non-sag properties to many conventional curable, polymeric adhesives and sealants, said agent comprising:a first component comprising crush resistant coated particles wherein the first component particles are less than about 1 and 1/2 microns in size and have a coating of about 0.1% to about 10% by weight of the particle and wherein said coating substantially comprises a first surface modifying agent,a second component comprising crush resistant coated particles wherein the second component particles are about 1 and 1/2 to about 3 microns in size and have a coating of about 0.
    Type: Grant
    Filed: November 15, 1990
    Date of Patent: June 23, 1992
    Assignee: Tremco Incorporated
    Inventors: Annette F. Katona, Steve L. Hannah