Granted Patent
Utility
US 6,642,382 · App. 10/181,495
Method for obtaining slightly colored branched polyisocyanate(s), and the resulting composition
Inventors:
Jean-Marie Bernard, Frédéric Dallemer, Denis Revelant
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Nov 12, 2002
Inventors
Jean-Marie Bernard
Frédéric Dallemer
Denis Revelant
Assignee (at issue)
RHODIA CHIMIE
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.