Granted Patent
Utility
US 6,191,063 · App. 09/230,576
Catalyst and process for the production of aldehydes by hydroformylation of olefinically unsaturated compounds
Inventors:
Sandra Bogdanovic, Carl D. Frohning, Helmut Bahrmann, Matthias Beller, Steffen Haber, Hans-Jerg Kleiner
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Jul 1, 1999
Inventors
Sandra Bogdanovic
Carl D. Frohning
Helmut Bahrmann
Matthias Beller
Steffen Haber
Hans-Jerg Kleiner
Assignee (at issue)
Celanese 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.