Granted Patent
Utility
US 4,824,931 · App. 07/155,788
Polyesters from trans-4,4'-stilbenedicarboxylic acid and 1,6-hexanediol
Inventors:
John C. Morris, Winston J. Jackson, Jr.
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Feb 16, 1988
Inventors
John C. Morris
Winston J. Jackson, 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.