Process for the preparation of 4-aminodiphenylamine

Details Process for the preparation of 4-aminodiphenylamine Process for the preparation of 4-aminodiphenylamine

1998-07-30

1999-08-03

Geist, Gary

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

Organic compounds

Amino nitrogen containing

564415, 564433, 564434, C07C20930

Patent

active

059327685

ABSTRACT:
4-aminodiphenylamines are prepared by hydrogenating nitrosobenzene or mixtures of nitrosobenzene and nitrobenzene with hydrogen in the presence of bases containing hydroxide, oxide and/or alkoxide groups and heterogeneous catalysts in inert aprotic solvents at temperatures of from 0 to 200.degree. C. and at pressures of from 0.1 to 150 bar.

REFERENCES:
patent: 4187248 (1980-02-01), Merten et al.
patent: 4187249 (1980-02-01), Maender et al.
patent: 4670595 (1987-06-01), Podder et al.
patent: 5117063 (1992-05-01), Stern
patent: 5420354 (1995-05-01), Malz
patent: 5574187 (1996-11-01), Maiz et al.
patent: 5606111 (1997-02-01), Stern
patent: 5739403 (1998-04-01), Reinartz
Ullmann's Encyclopedia of Industrial Chemistry, Antioxidants, Peter P. Klemchuk, vol. A3, pp. 91-111 (1985).
Kirk-Othmer, 4.sup.th Ed., vol. 3, Antiozonants, Robert P. Lattimer, et al., pp. 448-456 (1992).
Kirk-Othmer, 4.sup.th Ed., vol. 3, Antioxidants, Martin Dexter, pp. 424-427 (1992).

Affiliated with

Also associated with

Rating

Process for the preparation of 4-aminodiphenylamine 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 4-aminodiphenylamine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of 4-aminodiphenylamine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-850895