Granted Patent
Utility
US 6,696,593 · App. 10/192,094
Preparation of UV-curable urethane compositions
Inventors:
Wei Wang, Daniel B. Pourreau
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jul 10, 2002
Inventors
Wei Wang
Daniel B. Pourreau
Assignee (at issue)
Arco Chemical Technology, L.P.
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.