Patents by Inventor Edward G. Elste, Jr.

Edward G. Elste, 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).

  • Cationic bituminous emulsions forming residuum having improved temperature characteristics
    Patent number: 3951676
    Abstract: Stable, modified cationic bituminous emulsions are provided which form residuums having improved temperature susceptibility characteristics by combining with the base emulsion a tallate salt of a metallic polyvalent cation selected from the group consisting of tin, magnesium, copper, aluminum and iron.
    Type: Grant
    Filed: September 5, 1974
    Date of Patent: April 20, 1976
    Assignee: Chevron Research Company
    Inventor: Edward G. Elste, Jr.