Granted Patent
Utility
US 5,041,545 · App. 07/334,661
2-hydroxybenzophenone hydrazides and derivatives thereof
Inventor:
Terry N. Myers
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Apr 6, 1989
Inventor
Terry N. Myers
Assignee (at issue)
Atochem North America, 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.