Granted Patent
Utility
US 5,071,932 · App. 07/680,451
Butadiene monoepoxide/maleic anhydride copolymers
Inventors:
Richard W. Blevins, S. Richard Turner
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Apr 4, 1991
Inventors
Richard W. Blevins
S. Richard Turner
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.