Granted Patent
Utility
US 4,539,349 · App. 06/605,349
Unsaturated polyester compositions comprising carboxylated cellulose ester
Inventors:
William W. Blount, Jr., William M. Robinette
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Apr 30, 1984
Inventors
William W. Blount, Jr.
William M. Robinette
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.