Granted Patent
Utility
US 4,363,908 · App. 06/297,816
Polyester modified with alkyl- or alkenylsuccinic anhydrides
Inventors:
Frederick B. Joyner, Jimmy R. Trotter, Richard L. McConnell
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Aug 31, 1981
Inventors
Frederick B. Joyner
Jimmy R. Trotter
Richard L. McConnell
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.