Granted Patent
Utility
US 5,521,272 · App. 08/427,504
Isocyanate-crosslinked coatings having reduced yellowing
Inventors:
James M. O'Connor, Stephen P. Noe, Henry J. Barnowski, Jr., Ronald Wojcik
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Apr 24, 1995
Inventors
James M. O'Connor
Stephen P. Noe
Henry J. Barnowski, Jr.
Ronald Wojcik
Assignee (at issue)
Olin Corporation
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.