C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/25.2, 260/163.
C09B 33/02 (2006.01) C09B 33/147 (2006.01) C09B 43/38 (2006.01) D06P 1/04 (2006.01)
Patent
CA 1149800
Abstract The invention relates to a disazo pigment of the formula Image (I) wherein R is an isopropyl radical. These pigments colour plastics, especially rigid PVC, in brown shades of excellent fastness properties.
376852
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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