Metal complex pigments

US6211346A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Frank Linke · Recklinghausen, DE
• Kent Faubion · Leverkusen, DE
• Udo Herrmann · Dormagen, DE
• Dirk Pfutzenreuter · Leverkusen, DE
• Ronald Gobel · Leverkusen, DE

Key dates

• Filing date: Oct 8, 1999
• Grant date: Apr 3, 2001
• Expiry date: Oct 8, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0029
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Metal complexes of an azo compound which in the form of its tautomeric structures conforms to the formula (I) ##STR1## wherein PA1 the substituents are each as defined in the description, and which metal complexes host a compound as guest compound, PA1 characterized in that they have a dispersing harshness of less than 250.