IP Library › Granted Patent US 5,663,443
Granted Patent Utility
US 5,663,443 · App. 08/384,303

Ruthenium catalysts, their preparation and a process for preparing cycloaliphatic polyamines using these catalysts

Inventors: Wolfgang Kiel, Eberhard Zirngiebl, Joerg-Dietrich Jentsch
Patented Case View Patent ↗
Granted: Sep 2, 1997 Filed: Feb 3, 1995
Inventors
Wolfgang Kiel
Eberhard Zirngiebl
Joerg-Dietrich Jentsch
Assignee (at issue)
Bayer Aktiengesellschaft

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Quick Facts
Patent No.
US 5,663,443
App. No.
08/384,303
Filed
1995-02-03
Granted
1997-09-02
Kind
A