Granted Patent
Utility
US 4,920,156 · App. 06/592,838
Blends of cyclic vinyl ether containing compounds and urethane acrylates
Inventors:
Joseph V. Koleske, Claiborn L. Osborn
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Mar 23, 1984
Inventors
Joseph V. Koleske
Claiborn L. Osborn
Assignee (at issue)
Union Carbide Chemicals & Plastics
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.