Granted Patent
Utility
US 5,215,568 · App. 07/786,159
Oxime derivatives of formylpyridyl imidazolinones, the herbicidal use and methods for the preparation thereof
Inventor:
John Finn
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Oct 31, 1991
Inventor
John Finn
Assignee (at issue)
American Cyanamid Company
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.