Patents by Inventor Gerald R. Lowry

Gerald R. Lowry 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).

  • Patent number: 4870980
    Abstract: A process and apparatus for improved expansion of tobacco is disclosed wherein tobacco impregnated with a volatile impregnant is treated prior to expansion, in an intermediate stage wherein a gaseous phase containing volatile impregnant vapors is removed and later recovered. The thus treated tobacco is thereafter expanded in a conventional expansion zone by contacting the tobacco with a stream of hot gases. The invention results in more efficient use of volatile impregnant and can provide less residual impregnant in expanded tobacco while not decreasing the degree of tobacco expansion.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: October 3, 1989
    Assignee: R. J. Reynolds Tobacco Company
    Inventor: Gerald R. Lowry