Patents by Inventor J. Vern Kempf

J. Vern Kempf 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 for preserving wood
    Patent number: 5731036
    Abstract: A method is described for preserving wood comprising infiltrating the wood with gaseous carbon disulfide and impregnating the wood with an aqueous solution comprising a copper source, and dimethylamine.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: March 24, 1998
    Assignee: ISK Biosciences Corporation
    Inventors: Robert D. Battershell, Barry M. Jacobson, Ann C. Abraham, Belinda M. Pereira, J. Vern Kempf