专利检索 ap:("Centre National de la Recherche Scientifique (CNRS)" OR "Council of Scientific AND Industrial Research" OR "Vinati Organics Limited (V.O.L.)") AND inv:"NUJILLA, Subrahmanya Sekhar" 第 1 页

1.

发明公开
SINGLE-STEP CATALYTIC PREPARATION OF PARA-AMINOPHENOL 审中-公开
标题翻译：对氨基苯酚的阶段催化生产

公开(公告)号：EP2214816A2

公开(公告)日：2010-08-11

申请号：EP08846552.1

申请日：2008-11-07

申请人： Centre National de la Recherche Scientifique (CNRS) , Council of Scientific and Industrial Research , Vinati Organics Limited (V.O.L.)

发明人： FIGUERAS, François , DESHPANDE, Abhay , MANNEPALLI, Lakshmi Kantam , KATURI, Jeeva Ratnam , RAGIREDDY, Sudarshan Reddy , NUJILLA, Subrahmanya Sekhar

IPC分类号： B01J23/40 , B01J27/053 , B01J35/00 , C01G25/06 , C07C213/00 , C07C215/76

CPC分类号： B01J23/40 , B01J27/053 , B01J35/0006 , C01G25/02 , C01G25/06 , C01G55/00 , C07C213/00 , C07C215/76

摘要： The present invention relates to the use of a bi-functional catalyst for the one-step preparation of para-am inophenol, said catalyst comprising a mixture of a hydrogenation noble metal and a zirconium sulfate. The present invention also relates to an improved single-step process for the preparation of para- aminophenol from nitrobenzene, in an aqueous medium, using said bi-functional catalyst.