Granted Patent
Utility
US 6,376,721 · App. 09/765,755
Process for alkoxylation in the presence of rare earth triflimides
Inventors:
Christian Priou, Paul-Joel Derian, Frederic Leising
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Jan 19, 2001
Inventors
Christian Priou
Paul-Joel Derian
Frederic Leising
Assignee (at issue)
Rhodia, Inc.
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.