Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1997-08-22
1999-02-16
McKane, Joseph K.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106493, 106494, 106499, 106506, 524 92, 524104, 548453, C07D48704
Patent
active
058715754
ABSTRACT:
A diketopyrrolopyrrole of formula ##STR1## in its .beta.-modification. The novel .beta.-modification is also suitable as pigment for coloring high molecular weight organic materials. In comparison to the .alpha.-modification, it has a shade shifting towards blueish red, enhanced color strength and chroma as well as an enhanced resistance to heat.
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Ruch Thomas
Wallquist Olof
Ciba Specialty Chemicals Corporation
Mansfield Kevin T.
McKane Joseph K.
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