Granted Patent
Utility
US 5,075,467 · App. 07/527,990
Process for the preparation of titanocenes containing O,O'-difluoroaryl ligands
Inventor:
Vincent Desobry
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: May 23, 1990
Inventor
Vincent Desobry
Assignee (at issue)
Ciba-Geigy
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.