Granted Patent
Utility
US 5,194,574 · App. 07/787,360
Thermally stable polyesters containing trans-4,4'-stilbenedicarboxylic acid
Inventors:
John C. Morris, Winston J. Jackson, Jr.
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Nov 4, 1991
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.