Granted Patent
Utility
US 5,583,241 · App. 08/313,485
Fluoroalkyl-substituted ferrocenyl diphosphines as ligands for homogeneous catalysts
Inventor:
Felix Spindler
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Sep 27, 1994
Inventor
Felix Spindler
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.