Dihydrobenzothiazine compounds and the preparation thereof

US4420613A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Paul Uhrhan
• Edmund Krauthausen · Cologne, DE
• Kurt-Rainer Stahlke · Leverkusen, DE
• Gerwolf Quaas · Cologne, DE
• Lothar Ruetz · Dormagen, DE

Key dates

• Filing date: Mar 17, 1982
• Grant date: Dec 13, 1983
• Expiry date: Mar 17, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/46
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to new dihydrobenzothiazine compounds, to the production thereof and to the use thereof as stabilizers and co-stabilizers against the oxidative and/or thermal degradation of organic polymers.