Patents by Inventor Ted Tysak

Ted Tysak 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).

  • Polymers comprising alkali-insoluble core/alkali-soluble shell and copositions thereof
    Patent number: 4916171
    Abstract: Disclosed herein are core-shell polymers having an alkali-insoluble, emulsion polymer core and an alkali-soluble, emulsion polymer shell attached or associated with said core so that upon dissolving said shell with alkali, a portion of said shell remains attached or associated with said core. Also disclosed are compositions wherein said shell polymer has been neutralized and substantially, but not totally, dissolved so as to form a blend of neutralized core-shell polymer and an aqueous solution of neutralized shell polymer.
    Type: Grant
    Filed: September 1, 1987
    Date of Patent: April 10, 1990
    Assignee: Rohm and Haas Company
    Inventors: Albert B. Brown, Paul H. Gehlhaus, William H. Harrop, Dennis P. Lorah, Thomas G. Madle, Travis E. Stevens, Ted Tysak, Constance A. Lane