Granted Patent
Utility
US 6,232,488 · App. 09/554,887
Method for hydrogenating dinitriles
Inventors:
Vincent Boschat, Philippe Leconte, Daniel Rochette, Lionel Sever
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Sep 19, 2000
Inventors
Vincent Boschat
Philippe Leconte
Daniel Rochette
Lionel Sever
Assignee (at issue)
Rhodia Fiber & Resin Intermediates
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.