Process for the production of variable amounts of DPA and anilin

Details Process for the production of variable amounts of DPA and anilin Process for the production of variable amounts of DPA and anilin

1983-05-20

1984-10-30

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

C07C 8506

Patent

active

044801270

ABSTRACT:
A process for the production of predetermined variable amounts of diphenylamine and aniline from a feedstock consisting essentially of phenol and ammonia is disclosed. The process involves catalytically reacting phenol and ammonia to produce aniline in situ and then reacting part of the aniline with other phenol and aniline to produce DPA, with the remaining aniline being removed from the reaction media as product.

REFERENCES:
patent: 3272865 (1966-09-01), Barker
patent: 3682782 (1972-08-01), Choo
patent: 3860650 (1975-01-01), Becker et al.
patent: 4326080 (1982-04-01), Wedemeyer et al.

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