Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1994-11-18
1996-05-21
Bell, Mark L.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106494, 106496, 106497, 106498, C09B 6752
Patent
active
055185398
ABSTRACT:
The present invention relates to a process for the preparation of synergistic pigment mixtures by mixing solutions of at least two pigments solubilized by introducing carbamate groups, and subsequently precipitating the mixture in pigment form by subjecting said mixture to a thermal, photolytic or chemical treatment, either before or after incorporation in the substrate to be pigmented.
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Hao Zhimin
Igbal Abul
Medinger Bernhard
Zambounis John S.
Bell Mark L.
Ciba-Geigy Corporation
Hertzog Scott L.
Kovalesk Michele A.
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