Invention Grant
- Patent Title: Process for preparing aromatic amines
- Patent Title (中): 制备芳香胺的方法
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Application No.: US13311371Application Date: 2011-12-05
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Publication No.: US08981155B2Publication Date: 2015-03-17
- Inventor: Stefanie Haase , Dusko Kadijevic , Anne-Kathrin Merten , Michael Zoellinger , Andreas Raichle , Alexander Schocker , Sandra Mühlbeyer , Olaf Wiedenhoff , Joana Coelho Tsou
- Applicant: Stefanie Haase , Dusko Kadijevic , Anne-Kathrin Merten , Michael Zoellinger , Andreas Raichle , Alexander Schocker , Sandra Mühlbeyer , Olaf Wiedenhoff , Joana Coelho Tsou
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Drinker Biddle & Reath LLP
- Main IPC: C07C209/00
- IPC: C07C209/00 ; C07C229/36 ; C07C209/34 ; C07C209/36 ; B01J8/22 ; B01J21/06 ; B01J23/755 ; B01J35/02 ; B01J37/00
Abstract:
A process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, forming a fluid, amine-comprising reaction mixture in a reactor, wherein chromatographic analysis of the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture.
Public/Granted literature
- US20120215029A1 PROCESS FOR PREPARING AROMATIC AMINES Public/Granted day:2012-08-23
Information query
