Granted Patent
Utility
US 6,486,320 · App. 09/951,505
Preparation of camptothecin and of its derivatives
Inventors:
Stefanie Leue, Stéphanie Garçon, Andrew-Elliot Greene, Yves Genisson, Patrick Leon
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Sep 14, 2001
Inventors
Stefanie Leue
Stéphanie Garçon
Andrew-Elliot Greene
Yves Genisson
Patrick Leon
Assignee (at issue)
AVENTIS PHARMA 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.