Production of pigments

Details Production of pigments Production of pigments

1996-12-16

1998-07-07

Marcheschi, Michael

Compositions: coating or plastic

Materials or ingredients

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

106401, 106410, 106413, 106499, 106505, C09B 6704, C09B 6714, C09B 6716

Patent

active

057762384

ABSTRACT:
The present invention provides a process for converting a crude pigment into pigmentary form which comprises kneading the crude pigment in the presence of a liquid carboxylic acid and optionally a salt.

REFERENCES:
patent: 3510331 (1970-05-01), Talvenheimo et al.
patent: 3617323 (1971-11-01), Riegler
patent: 4167420 (1979-09-01), Linden et al.
patent: 5472490 (1995-12-01), Sawamura et al.
Chem. Ab. 69:37195, Saha, "Metal pigment powder of low electrical conductivity.", Jun. 1968.
Chem. Ab. 93:151780, Bugrov et al., "Effect of fatty acids on the efficiency of pigment dispersions in printing inks.", (No Month) 1980.

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