Granted Patent
Utility
US 4,374,265 · App. 06/288,830
Preparation of ethylidene diacetate
Inventor:
Thomas H. Larkins, Jr.
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Jul 31, 1981
Inventor
Thomas H. Larkins, Jr.
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.