Patents by Inventor Charles L. Stacy, Jr.

Charles L. Stacy, Jr. 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).

  • Color improvement of polymer compounds and products molded therefrom
    Patent number: 4602072
    Abstract: The specification discloses a method for improving color purity in polymers by passing the monomer stream first through an alkali metal aluminosilicate molecular sieve and then through an activated alumina bed prior to polymerization.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: July 22, 1986
    Assignee: The Dow Chemical Company
    Inventors: Leslie E. Wallace, Leo F. Rokosz, Charles L. Stacy, Jr.