C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/20 (2006.01) C08K 3/00 (2006.01) C08K 3/34 (2006.01) C08K 5/00 (2006.01) C09B 67/00 (2006.01) C09D 17/00 (2006.01)
Patent
CA 2158098
Disclosed is a process for coloring high-molecular-weight organic materials which comprises uniformly dispersing an effective pigmenting amount of a stir-in pigment in the high-molecular-weight organic material; wherein the stir-in pigment is an organic pigment crude consisting essentially of non-platelet-shaped particles having an average particle size of from 0.5 to 25 µm and/or a pigment composition consisting essentially of an organic pigment having an average particle size of from 0.01 to 25 µm and inorganic filler pigment.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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