Granted Patent
Utility
US 6,570,033 · App. 09/984,263
Bisphosphite compounds and their metal complexes
Inventors:
Dirk Rottger, Dieter Hess, Klaus-Diether Wiese, Cornelia Borgmann, Armin Börner, Detlef Selent, Reinhard Schmutzler, Christine Kunze
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Oct 29, 2001
Inventors
Dirk Rottger
Dieter Hess
Klaus-Diether Wiese
Cornelia Borgmann
Armin Börner
Detlef Selent
Reinhard Schmutzler
Christine Kunze
Assignee (at issue)
OXENO OLEFINCHEMIE GMBH
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.