Granted Patent
Utility
US 4,872,902 · App. 07/153,376
Cyclohexanediones and their use as plant growth regulators
Inventor:
Hans-Georg Brunner
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Feb 8, 1988
Inventor
Hans-Georg Brunner
Assignee (at issue)
Ciba-Geigy
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.