Patents by Inventor Elwood L. Williams, Jr.

Elwood L. Williams, 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).

  • Tobacco reconstitution process
    Patent number: 4962774
    Abstract: Reconstituted Tobacco has ammonia incorporated therein. Tobacco is extracted with water to yield an insoluble portion and an aqueous portion containing water soluble tobacco components. The aqueous portion is contacted with ammonia to yield an ammoniated extract. The extract is applied to the insoluble portion which has been formed into a sheet-like shape. The resulting tobacco composition is dried to yield a reconstituted tobacco material treated with ammonia.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: October 16, 1990
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: James S. Thomasson, Elwood L. Williams, Jr., Barry L. Bryant, Cynthia H. Curtis, Thomas W. Brown