Granted Patent
Utility
US 5,368,985 · App. 08/203,858
Bisacylphosphine sulfides
Inventors:
Werner Rutsch, Gebhard Hug, Manfred Kohler
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Feb 28, 1994
Inventors
Werner Rutsch
Gebhard Hug
Manfred Kohler
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.