Patents by Inventor Kathryn E. Lawrence

Kathryn E. Lawrence 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).

  • Benzoylphenylurea insecticides and methods of using them to control cockroaches
    Patent number: 6040345
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1 is H or F and R.sup.2 is CF.sub.3 or CF.sub.2 CF.sub.3, exhibit unexpectedly superior activity against cockroaches and are also useful to control other insects.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: March 21, 2000
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald E. Hackler, Kathryn E. Lawrence