Patents by Inventor Andrea C. Stierle

Andrea C. Stierle 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: 4929270
    Abstract: A method of selectively inducing chlorosis on a knapweed plant while spar other plants comprises applying a knapweed phytotoxic amount of the L,L isomer of the cyclodipeptide of the invention to a field at a period in time prior, during or subsequent to the emergence of the plants; and allowing for the cyclodipeptide to remain in contact with the plants for a period of time effective to attain the phytotoxic effect.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: May 29, 1990
    Assignee: Research and Development Institute, Inc. at Montana State University
    Inventors: John H. Cardellina, II, Andrea C. Stierle, Gary A. Strobel