Granted Patent
Utility
US 4,334,913 · App. 06/249,649
Substituted 3-hydroxy-2-cyclohexene-1-one compounds as sugar enhancers for plants
Inventor:
John F. Koerwer
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Mar 31, 1981
Inventor
John F. Koerwer
Assignee (at issue)
Union Carbide Corporation
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.