Patents by Inventor John R. Udinsky

John R. Udinsky 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).

  • Method for reducing the carboxylester content of an emulsion polymer
    Patent number: 5145890
    Abstract: This invention is directed to a method for reducing the carboxylester content of an emulsion-polymerized addition polymer by contacting the aqueous emulsion polymer with a carboxylesterase enzyme and a reduced carboxylester content emulsion-polymerized addition polymer so prepared.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: September 8, 1992
    Assignee: Rohm and Haas Company
    Inventors: Clay B. Frederick, John R. Udinsky