Patents by Inventor Robert O. Larson

Robert O. Larson 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).

  • Stable anti-pest neem seed extract
    Patent number: 4556562
    Abstract: Storage stable composition effective as a biorational agent for protection against pests, e.g. Japanese beetles, is a diluted ethanol neem seed extract comprising from about 2,000 to about 4,000 ppm azadirachtin and having a pH ranging from about 3.5 to about 6.0.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: December 3, 1985
    Assignee: Vikwood, Ltd.
    Inventor: Robert O. Larson