Granted Patent
Utility
US 5,157,102 · App. 07/763,840
Diols and polyesters made therefrom
Inventors:
Charles Sumner, Ernest Arnold, Gary Darrel Boone
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Sep 23, 1991
Inventors
Charles Sumner
Ernest Arnold
Gary Darrel Boone
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.