Barium nitride catalysts for the preparation of diamino-diphenyl

Details Barium nitride catalysts for the preparation of diamino-diphenyl Barium nitride catalysts for the preparation of diamino-diphenyl

1977-01-19

1977-10-11

Hines, Robert V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2605705P, 2605709, C07C 85145

Patent

active

040535134

ABSTRACT:
Covers a method of preparing diaminodiphenylmethanes and higher homologues thereof which comprises the step of condensing aniline and formaldehyde in the presence of a barium nitride catalyst. In another embodiment the barium nitride catalyst is used in conjunction with a silicon nitride catalyst.

REFERENCES:
patent: 3676497 (1972-07-01), Recchia et al.
patent: 3965182 (1976-06-01), Worrel

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