Process for mass pigmenting of synthetic polyamides

Details Process for mass pigmenting of synthetic polyamides Process for mass pigmenting of synthetic polyamides

1991-01-07

1996-04-23

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 89, 524 91, 524 92, 524 94, C08K 534

Patent

active

055104037

ABSTRACT:
A process for dyeing synthetic polyamide comprising applying to the polyamide a compound of formula I or II ##STR1## in which R.sub.2 is hydrogen, trifluoromethyl, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, cyano, nitro, hydroxyl, amino, C.sub.1-4 alkylamino, di-(C.sub.1-4)alkylamino, phenylamino, N-C.sub.1-4 alkyl-N-phenylamino; benzoylamino, acyl, acyloxy or acylamino,

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