Granted Patent
Utility
US 4,375,539 · App. 06/313,017
Solid blocked crosslinking agents based on 1,4-cyclohexane bis(methylisocyanate)
Inventors:
Paul McBride, George Crumbaugh Russell, III
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: Oct 19, 1981
Inventors
Paul McBride
George Crumbaugh Russell, III
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.