Granted Patent
Utility
US 4,440,664 · App. 06/438,543
Process for the dispersion of chain extender in polyol
Inventors:
Mark A. Pollock, Jimmie D. Fleenor
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Nov 1, 1982
Inventors
Mark A. Pollock
Jimmie D. Fleenor
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.