Granted Patent
Utility
US 4,529,435 · App. 06/369,681
Herbicidally active isoxazol acetal ureas
Inventor:
Jerome M. Lavanish
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Apr 19, 1982
Inventor
Jerome M. Lavanish
Assignee (at issue)
PPG Industries, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.