Process for the preparation of multinuclear aromatic polyamines

Details Process for the preparation of multinuclear aromatic polyamines Process for the preparation of multinuclear aromatic polyamines

1988-04-25

1990-04-03

Ore, Dale R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C 8750, C09B 1102

Patent

active

049142364

ABSTRACT:
The present invention relates to an improved process for the preparation of multinuclear aromatic polyamines by the condensation of aniline with formaldehyde in the presence of water and acid catalysts and working up of the reaction mixture by extraction with a hydrophobic solvent. The acid catalyst obtained in the aqueous phase of extraction is reused.

REFERENCES:
patent: 3952042 (1976-04-01), Knofel
patent: 3996283 (1976-12-01), Knofel
patent: 4061678 (1977-12-01), Knofel et al.
patent: 4087459 (1978-05-01), Knofel et al.
patent: 4093658 (1978-06-01), Knofel et al.

Affiliated with

Also associated with

Rating

Process for the preparation of multinuclear aromatic polyamines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of multinuclear aromatic polyamines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of multinuclear aromatic polyamines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1358577