Granted Patent
Utility
US 5,473,003 · App. 08/361,012
Alkanediphenols
Inventors:
Rita Pitteloud, Paul Dubs, Bernard Gilg
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Dec 21, 1994
Inventors
Rita Pitteloud
Paul Dubs
Bernard Gilg
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.