Granted Patent
Utility
US 6,500,979 · App. 09/583,776
Process for carrying out catalytic multiphase reactions, in particular vinylations of carboxylic acids
Inventors:
Klaus-Diether Wiese, Paul Olbrich
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: May 31, 2000
Inventors
Klaus-Diether Wiese
Paul Olbrich
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.