Granted Patent
Utility
US 5,907,041 · App. 08/815,848
Process for preparing pyrazole derivatives
Inventor:
Peter Wyatt Newsome
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Mar 12, 1997
Inventor
Peter Wyatt Newsome
Assignee (at issue)
Rhone-Poulenc, 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.