C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/52 (2006.01) C09B 48/00 (2006.01) C09B 67/10 (2006.01)
Patent
CA 2434568
A high chroma, opaque gamma 2, 9-dichloroquinacridone pigment specified by its particle shape and size and characterized by C.I.E. color space values in masstone, and a process for its preparation is disclosed. The new gamma 2, 9- dichloroquinacridone pigment is especially useful for coloring coating compositons, such as automotive paints, and plastics.
L'invention concerne un pigment opaque à chroma élevé à base de gamma 2,9-dichloroquinacridone caractérisé par sa forme de particules et par des valeurs d'espace de couleur C.I.E. en ton en masse. L'invention concerne également un procédé de préparation dudit pigment. Ce pigment à base de gamma 2, 9-dichloroquinacridone est particulièrement utile pour colorer des compositions de revêtement, telles que des peintures et des plastiques pour automobiles.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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