Granted Patent
Utility
US 6,482,992 · App. 09/904,893
Multistage process for the preparation of oxo aldehydes and/or alcohols
Inventors:
Bernhard Scholz, Franz Nierlich, Alfred Kaizik, Dieter Hess, Wilfried Bueschken, Klaus-Diether Wiese, Dirk Roettger, Guido Protzmann
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Jul 16, 2001
Inventors
Bernhard Scholz
Franz Nierlich
Alfred Kaizik
Dieter Hess
Wilfried Bueschken
Klaus-Diether Wiese
Dirk Roettger
Guido Protzmann
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.