发明名称 Process for the preparation of colourless dibenzylamine
摘要 A process for the production of colorless dibenzylamines (I) having a color number of less than 100 Hazens comprises addition of an additive comprising an ammonium chloride and/or an amine and distillation of the resulting mixture.
申请公布号 EP1375470(A3) 申请公布日期 2004.09.29
申请号 EP20030013535 申请日期 2003.06.13
申请人 BAYER CHEMICALS AG 发明人 HEUER, LUTZ, DR.
分类号 C07C209/84;C07C209/90;C07C211/27 主分类号 C07C209/84
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