Dispersion of polycyclic vat-dye pigment with N,N'-disubstituted

Details Dispersion of polycyclic vat-dye pigment with N,N'-disubstituted Dispersion of polycyclic vat-dye pigment with N,N'-disubstituted

1977-05-09

1978-11-14

Curtis, Allen B.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308M, 106308N, 542461, C08K 534

Patent

active

041254139

ABSTRACT:
The present invention relates to a fluidizing agent which is a substituted ammonium salt of an N,N'-disubstituted diaminostilbene sulphonic acid wherein there is at least one organic radical containing at least 2 carbon atoms attached to the nitrogen atom of the substituted ammonium ion. The agent is useful for improving the fluidity of a dispersion of a polycyclic vat dye pigment in an organic liquid.

REFERENCES:
patent: 2745830 (1956-05-01), Siegrist
patent: 2846397 (1958-08-01), Binningen
patent: 3193548 (1965-07-01), Crounse et al.
patent: 3743526 (1973-07-01), Zwahlen
patent: 3992145 (1976-11-01), Coraor
patent: 4001035 (1977-01-01), Ito et al.
patent: 4057436 (1977-11-01), Davies et al.
A.P.C. Application of Wendt, Ser. No. 381,856, published 5/11/43.

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