Salts of dicarboxylic acids and diamines, having an improved col

Details Salts of dicarboxylic acids and diamines, having an improved col Salts of dicarboxylic acids and diamines, having an improved col

1977-06-27

1979-08-21

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528336, 525 6, C07C109087, C07C 8714

Patent

active

041653351

ABSTRACT:
Salts of alkanedicarboxylic acids of 4 to 12 carbon atoms and diamines of the formula H.sub.2 N--R--NH.sub.2, where R is alkylene of 2 to 12 carbon atoms or is a radical of the formula ##STR1## which contain hydrazine hydrate, the manufacture of the salts in solution, and their use for the manufacture of nylons.

REFERENCES:
patent: 2130947 (1938-09-01), Carothers
patent: 2512632 (1950-06-01), Fisher et al.
patent: 3439025 (1969-04-01), Gallay et al.
patent: 3661982 (1972-05-01), Beswick
patent: 3825586 (1974-07-01), Traumann
patent: 3944598 (1976-03-01), Paustian et al.

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