Patents by Inventor James K. Rupprecht

James K. Rupprecht 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).

  • Control of pests with annonaceous acetogenins
    Patent number: 4855319
    Abstract: Tetrahydrofuranoid acetogenins characteristic of the Annonaceae plant family have been found to have potent pesticidal and feeding deterrent activity against a diverse variety of pests such as mosquito larvae, spider mites, aphids, the Mexican bean beetle, striped cucumber beetle, blowfly larvae, and nematodes.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: August 8, 1989
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Kenneth L. Mikolajczak, Jerry L. McLaughlin, James K. Rupprecht
  • Control of pests with annonaceous acetogenins
    Patent number: 4721727
    Abstract: Tetrahydrofuranoid acetogenins characteristic of the Annonaceae plant family have been found to have potent pesticidal and feeding deterrent activity against a diverse variety of pests such as mosquito larvae, spider mites, aphids, the Mexican bean beetle, striped cumcumber beetle, blowfly larvae, and nematodes.
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: January 26, 1988
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Kenneth L. Mikolajczak, Jerry L. McLaughlin, James K. Rupprecht