Granted Patent
Utility
US 4,880,470 · App. 07/097,026
Aqueous additive systems, methods and polymeric particles
Inventors:
Kenneth W. Hyche, William C. Gose
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Sep 16, 1987
Inventors
Kenneth W. Hyche
William C. Gose
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.