Granted Patent
Utility
US 5,961,945 · App. 08/970,765
Method of producing cyano compounds by ammoxidation
Inventors:
Lukas von Hippel, Jorg Sauer, Rudiger Schutte, Manfred Sauer, Dietrich Arntz
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Nov 14, 1997
Inventors
Lukas von Hippel
Jorg Sauer
Rudiger Schutte
Manfred Sauer
Dietrich Arntz
Assignee (at issue)
Degussa AG
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.