Steven L. Schilling - Glen Dale WV Clarence D. Blue - Dormagen, DE Ricky L. Adkins - New Martinsville WV
Assignee:
Bayer Corporation - Pittsburgh PA
International Classification:
C08G 1876
US Classification:
521155
Abstract:
Disclosed herein is an improved process for preparing a polyamine mixture derived by reacting aniline with formaldehyde in the presence of an acid catalyst the improvement comprising mildly reducing the polyamine mixture by a process step comprising catalytically or chemically hydrogenating the polyamine mixture in the presence of a metal catalyst.