C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
6/217
C09B 67/22 (2006.01) C09B 67/20 (2006.01)
Patent
CA 1184704
Stabilised opaque form of C.I. Pigment Yellow 74 Abstract of the Disclosure A stabilised opaque form of C.I. Pigment Yellow 74 comprises a mixture of a) 99.0 to 80.0 wt.% of the opaque form of Colour Index Pigment Yellow 74 [2-methoxy-4-nitroaniline ? acetoacetic-2- anisidide] and b) 1.0 to 20.0 wt.% of a different monoazo yellow pigment based on acetoacetic-2-anisidide. These pigment products are distinguished by improved storage stability when incorporated into a applicational media.
414480
Hamilton Alexander
Maclennan Alexander H.
Newton Christopher
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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