Pigment compositions

Details Pigment compositions Pigment compositions

1994-10-18

1997-03-25

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106 22K, 106493, 106496, C09B 2700

Patent

active

056140134

ABSTRACT:
A pigment composition comprising (A) an azo pigment, (B) an azo reaction product of (i) a diazonium salt of a primary aromatic amine having a carboxyl group or sulphonic acid group meta or para to an amino group with (ii) a coupling component comprising one or more unsubstituted or substituted naphthols, at least 50 mole % of said coupling component being a naphtholsulphonic acid, or a salt of said reaction product, and, optionally, (C) an organic resin containingan acidic group or a salt thereof.

REFERENCES:
patent: 3725101 (1973-04-01), Kuhne et al.
patent: 4014866 (1977-03-01), Henning
patent: 4334932 (1982-06-01), Roueche
patent: 5144014 (1992-09-01), Sugamee et al.
Chem Abst. 115:185370e (1991) of JP 397,762 (No Month).

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