A PROCESS FOR THE HETEROGENEOUS CATALYTIC HYDRGENATION OF AN AROMATIC AMINE.
Application 40/MAS/2003 published 2006-09-01, filed 2003-01-14
This invention relates to an improved process for the preparation of cyclohexylamines wherin an aromatic amine is contacted with hydrogen in the process of hydrogenation catalyst. The improvement resides in utilizing a hydrogenation catalyst comprised of rhodium metal, utilizing a dialkyl ether solvent, and effecting delay addition of the aromatic diamine to the reaction medium.
Applicant
AIR PRODUCTS & CHEMICALS INC
7201 HAMILTON BOULEVARD, ALLENTOWN, PA 18195-1501, U.S.A.
Inventor
International Info
Classification: C 07 C209/72 , C 07 C 211/36
Publication Number:
Priority Information
10/051934/6429338 U.S.A 2002-01-17