Invention Grant
- Patent Title: Process for hydrogenating 4,4′-methylenedianiline
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Application No.: US15103789Application Date: 2014-12-10
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Publication No.: US09873658B2Publication Date: 2018-01-23
- Inventor: Andreas Weickgenannt , Bernd Bastian Schaack , Barbara Wucher , Alexander Panchenko , Frank Hettche , Martin Bock , Aik Meam Tan , Kirsten Dahmen
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP13196584 20131211
- International Application: PCT/EP2014/077120 WO 20141210
- International Announcement: WO2015/086638 WO 20150618
- Main IPC: C07C209/72
- IPC: C07C209/72 ; B01J23/46 ; B01J35/10 ; B01J37/02 ; B01J37/08 ; B01J37/18
Abstract:
The present invention relates to a process for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA with hydrogen in the presence of a catalyst comprising ruthenium on a zirconium oxide support material, and also to the use of a catalyst comprising ruthenium on a zirconium oxide support material for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA.
Public/Granted literature
- US20160326094A1 PROCESS FOR HYDROGENATING 4,4'-METHYLENEDIANILINE Public/Granted day:2016-11-10
Information query
