Granted Patent
Utility
US 4,673,726 · App. 06/818,301
Poly(ester-imides) and poly(ester-imide-amides) of trimellitic anhydride and 4-(aminomethyl)cyclohexanemethanol
Inventors:
Winston J. Jackson, Jr., John C. Morris
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Jan 13, 1986
Inventors
Winston J. Jackson, Jr.
John C. Morris
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.