Granted Patent
Utility
US 4,398,034 · App. 06/315,795
Process for the preparation of low molecular weight polyesters from hydroxypivaldehyde
Inventors:
William L. Edmonson, Anthony W. McCollum
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Oct 28, 1981
Inventors
William L. Edmonson
Anthony W. McCollum
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.