Chlorinated copper phthalocyanine pigments

US6794504B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Ingo Klopp · Bad Dürkheim, DE
• Josef Hetzenegger · Birkenheide, DE
• Peter Bottcher · Usedom, DE

Key dates

• Filing date: Sep 27, 2002
• Grant date: Sep 21, 2004
• Expiry date: Sep 27, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0019
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Incipiently chlorinated copper phthalocyanine pigments having a chlorine content of from 10 to 40% by weight and a dispersion harshness ≦10 in LDPE are useful for coloring plastics.