Process for the preparation of pigment preparations of the antha

Details Process for the preparation of pigment preparations of the antha Process for the preparation of pigment preparations of the antha

1989-09-19

1991-12-10

Dixon, Jr., William R.

Compositions: coating or plastic

Materials or ingredients

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

106499, 106411, 106412, 106413, 106506, C09B 6750, C08K 500

Patent

active

050714830

ABSTRACT:
A process for the preparation of pigment preparations of the anthanthrone series, which comprises subjecting anthanthrone crude pigments to aqueous pearl milling in the presence of dispersants of the formulae

REFERENCES:
patent: 3973981 (1976-08-01), Miyatake et al.
patent: 4018791 (1977-04-01), Spietschka et al.
patent: 4310359 (1982-01-01), Ehashi et al.
patent: 4432796 (1984-02-01), Santimauro
patent: 4705572 (1987-11-01), Spietschka et al.
Fiat Final Report, 1313 vol. II., p. 90.

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