发明授权
- 专利标题： Process of preparing para phenylamines
- 专利标题（中）： 对苯胺的制备方法
-
申请号： US318928申请日： 1994-10-06
-
公开(公告)号： US5420354A公开(公告)日： 1995-05-30
- 发明人: Russell E. Malz , Gerard V. Smith , Mark P. Ferrandino , Ruozhi Song
- 申请人： Russell E. Malz , Gerard V. Smith , Mark P. Ferrandino , Ruozhi Song
- 申请人地址： CT Middlebury
- 专利权人： Uniroyal Chemical Company, Inc.
- 当前专利权人： Uniroyal Chemical Company, Inc.
- 当前专利权人地址： CT Middlebury
- 主分类号： C07C209/36
- IPC分类号： C07C209/36
摘要：
A process of preparing para phenylenediamines, such as, p-aminodiphenylamine. The process involves contacting nitrobenzene or a substituted derivative thereof with hydrogen and an amine, such as aniline, in the presence of a hydrogenation catalyst, a hydrogenation inhibitor, and an acid cocatalyst under reaction conditions.