Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their production

US4223147A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Harald Oertel · Odenthal, DE
• Paul Uhrhan
• Reinhard Lantzsch · Leverkusen, DE
• Ernst Roos
• Hans Schroer · Dormagen, DE
• Dieter Arlt · Cologne, DE

Key dates

• Filing date: Sep 19, 1977
• Grant date: Sep 16, 1980
• Expiry date: Sep 19, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/3435
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to new methylol derivatives of 2,2,6,6-tetraalkylpiperidines, to their production and to their use as chemically attached stabilizers for polymers containing reactive OH- and NH-groups.