Use of polynuclear phenolic compounds as stabilisers

US8409474B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Arno Lange · Bad Dürkheim, DE
• Helmut Mach · Heidelberg, DE
• Hans Peter Rath · Havelsee, DE
• Dietmar Posselt · Heidelberg, DE

Key dates

• Filing date: Feb 21, 2007
• Grant date: Apr 2, 2013
• Expiry date: Aug 8, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2030/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I