Patents by Inventor Roy L. Van Horn

Roy L. Van Horn 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).

  • Stabilized O-halopyridylphosphate compositions and method of use
    Patent number: 5079238
    Abstract: Insecticide compositions containing an O-halopyridylphosphate insecticide absorbed on corn flour or a mineral carrier are stabilized from thermal decomposition by incorporating from about 1 to about 20 percent by weight of the carrier of a wood flour or a hemicellulose extract. These compositions can be employed in methods for protecting stored grains and plants from insect damage.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: January 7, 1992
    Assignee: DowElanco
    Inventor: Roy L. Van Horn