Granted Patent
Utility
US 4,499,262 · App. 06/588,168
Process for the preparation of sulfo-modified polyesters
Inventors:
David R. Fagerburg, Finley E. McFarlane
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Mar 9, 1984
Inventors
David R. Fagerburg
Finley E. McFarlane
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.