Patents by Inventor Jimmie D. McCarty

Jimmie D. McCarty 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 of increasing the hardness of cigarette filter elements
    Patent number: 4907609
    Abstract: Filter element and method for increasing the hardness thereof by contacting filter plug material with effective amounts of (a) a water soluble resin (or copolymer) having available chelate bond-forming chemical groups and (b) a water soluble nontoxic salt, the metal cation of the nontoxic salt forming a chelate bond with the chelate bond-forming chemical groups of said water soluble resin.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: March 13, 1990
    Assignee: Hercules Incorporated
    Inventors: Richmond R. Cohen, Jimmie D. McCarty