Process for preparing metal compounds of an azo compound in the presence of seed crystals

US8512823B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Ulrich Feldhues · Bensberg, DE
• Frank Linke · Recklinghausen, DE
• Ronald Gobel · Leverkusen, DE
• Sabine Endert · Wuppertal, DE
• Dirk Pfuetzenreuter · Burscheid, DE

Key dates

• Filing date: Jul 14, 2006
• Grant date: Aug 20, 2013
• Expiry date: Mar 4, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/031
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Process for preparing metal compounds of an azo compound which conforms in the form of its tautomeric structures to the formula (I)characterized in that the preparation takes place in the presence of seed crystals.