IP Library › Granted Patent US 5,728,880
Granted Patent Utility
US 5,728,880 · App. 08/806,139

Process for the separation of high-boiling materials from the reaction mixture generated during the production of diaminotoluene

Inventors: Heiko Beckhaus, Harro Witt, Uwe J. Zarnack, Gerd Greger
Patented Case View Patent ↗
Granted: Mar 17, 1998 Filed: Feb 25, 1997
Inventors
Heiko Beckhaus
Harro Witt
Uwe J. Zarnack
Gerd Greger
Assignee (at issue)
Bayer Aktiengesellschaft

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Quick Facts
Patent No.
US 5,728,880
App. No.
08/806,139
Filed
1997-02-25
Granted
1998-03-17
Kind
A