IP Library › Granted Patent US 5,902,803
Granted Patent Utility
US 5,902,803 · App. 08/930,967

5H,10H-imidazo1,2-a!indeno1,2-e!pyrazin-4-one derivatives, preparation thereof, and drugs containing said derivatives

Inventors: Jean-Claude Aloup, Francois Audiau, Michel Barreau, Dominique Damour, Arielle Genevois-Borella, Jean-Claude Hardy, Patrick Jimonet, Franco Manfre, Serge Mignani, Patrick Nemecek, Yves Ribeill
Patented Case View Patent ↗
Granted: May 11, 1999 Filed: Oct 3, 1997
Inventors
Jean-Claude Aloup
Francois Audiau
Michel Barreau
Dominique Damour
Arielle Genevois-Borella
Jean-Claude Hardy
Patrick Jimonet
Franco Manfre
Serge Mignani
Patrick Nemecek
Yves Ribeill
Assignee (at issue)
RHONE-POULENC RORER S.A.

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.

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Quick Facts
Patent No.
US 5,902,803
App. No.
08/930,967
Filed
1997-10-03
Granted
1999-05-11
Kind
A