Granted Patent
Utility
US 4,153,779 · App. 05/918,861
Liquid crystal copolyester containing a substituted phenylhydroquinone
Inventors:
Winston J. Jackson, Jr., Gary G. Gebeau, Herbert F. Kuhfuss
Patented Case
View Patent ↗
Granted: May 8, 1979
Filed: Jun 26, 1978
Inventors
Winston J. Jackson, Jr.
Gary G. Gebeau
Herbert F. Kuhfuss
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.