Granted Patent
Utility
US 4,804,777 · App. 07/106,302
Process for the preparation of aryloxyacetic acid
Inventors:
Charles Sumner, Eric J. Fugate
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Oct 9, 1987
Inventors
Charles Sumner
Eric J. Fugate
Assignee (at issue)
EASTMAN KODAK 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.