Granted Patent
Utility
US 5,407,897 · App. 08/025,545
Method for safening herbicides in crops using substituted benzopyran and tetrahydronaphthalene compounds
Inventors:
Gail E. Cary, Nina R. Quinn
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Mar 3, 1993
Inventors
Gail E. Cary
Nina R. Quinn
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.