Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1996-04-29
1997-11-04
Bell, Mark L.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106497, 546 49, 546 56, C09B 4806, C09B 6752
Patent
active
056835027
ABSTRACT:
This invention relates to a process for the preparation of quinacridone pigments by
(a) heating, at a temperature of about 80.degree. C. to about 145.degree. C., a reaction mixture containing
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S.S. Labana and L.L. Labana, "Quinacridones" in Chemical Review, 67, 1-18 Jan. 25, 1967.
Badejo Ibraheem T.
Rice Daphne J.
Bayer Corporation
Bell Mark L.
Gil Joseph C.
Henderson Richard E. L.
Hertzog Scott
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