C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 47/04 (2006.01) C09B 67/04 (2006.01) C09B 67/50 (2006.01) D06P 1/14 (2006.01)
Patent
CA 2198691
A new copper phthalocyanine pigment characterized by masstone and tint reflection spectra is disclosed. The new copper phthalocyanine pigment is especially useful for coloring coating compositions, such as automotive paints, and plastics. Also disclosed is a new process for preparing a conditioned pigment wherein a pigment crude is air jet milled.
Description d'un nouveau pigment de phtalocyanine de cuivre caractérisé par un spectre de réflexion de tons de masse et de teintes. Ce nouveau pigment est particulièrement utile dans la coloration des plastiques et des compositions de revêtement, telles les peintures d'automobile. On décrit également un nouveau processus de préparation d'un pigment conditionné selon lequel un brut pigmentaire est broyé par jet d'air.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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