Patents by Inventor Barton L. Hedrick

Barton L. Hedrick 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).

  • Water reducible polyester resin composition and method for preparing same
    Patent number: 4981905
    Abstract: High molecular weight, water reducible or dispersible polyester resin compositions are prepared by dispersing a molten carboxyl-containing polyester in water and chain extending it with an epoxide. The dispersions are useful as sizes for textiles and as coatings.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: January 1, 1991
    Assignee: Morton International, Inc.
    Inventors: James B. Simons, Barton L. Hedrick