Granted Patent
Utility
US 4,791,224 · App. 07/178,702
Process for preparation of an oxyacetic acid/hydroxyethyl ether compound
Inventors:
Charles Sumner, Eric J. Fugate
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Apr 7, 1988
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.