Granted Patent
Utility
US 5,070,122 · App. 07/366,825
Environmentally degradable polymer blends
Inventors:
Jeffrey J. Vanderbilt, Charles M. Neeley
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: Jun 15, 1989
Inventors
Jeffrey J. Vanderbilt
Charles M. Neeley
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.