Patents by Inventor Jimmy L. Nelson

Jimmy L. Nelson 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).

  • Insolubilizing system for water based inks
    Patent number: 4940744
    Abstract: An aqueous system for treating a film or coating containing water-dispersible polymeric material having water solubilizing sulfonate groups in its molecular structure, the system being effective for insolubilizing the sulfonate groups and enhancing the water resistance of the film, and having dispersed therein per 100 grams of water, from about 0.002 to about 0.5 gram-ion equivalents of a multivalent cation, and from about 0.1 to about 25.0 grams of water-dispersible polyurethane material, and preferably having a No. 2 Zahn cup viscosity of from about 15 to about 50 seconds.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: July 10, 1990
    Assignee: Eastman Kodak Company
    Inventors: Frank J. Tortorici, Jimmy L. Nelson