Soft textured high strength alkali blue pigment

Details Soft textured high strength alkali blue pigment Soft textured high strength alkali blue pigment

1981-06-08

1983-05-17

Warren, Charles F.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106288Q, 260389, C04B 3144, C08J 302, C08J 712

Patent

active

043838650

ABSTRACT:
Alkali blue pigment composition characterized by a soft texture and high strength. Pretreated aqueous solutions of the alkali blue pigments are treated with an alkaline solution of an alkyarylsulfonic solution of an amine to recover the desired pigment composition.

REFERENCES:
patent: 1799305 (1930-10-01), Brandt et al.
patent: 1945221 (1934-06-01), Gassner et al.
patent: 1990852 (1935-07-01), Zabel et al.
patent: 3014810 (1961-12-01), Dybalski et al.
patent: 3016384 (1962-01-01), Caliezi
patent: 4032357 (1977-06-01), Rees et al.
patent: 4204879 (1980-05-01), Paskins et al.

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