Condensation and addition polymers having N,N'-bridged bistetramethylpiperidyloxy groups

US5726285A · kind A · utility

Assignee

• BASF SE

Inventors

• Alexander Aumuller · Neustadt, DE
• Hubert Trauth · Dudenhofen, DE

Key dates

• Filing date: Aug 2, 1996
• Grant date: Mar 10, 1998
• Expiry date: Aug 2, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G71/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Condensation and addition polymers which comprise as structural repeating unit N,N'-bridged bistetramethylpiperidyloxy groups of the formula I ##STR1## in which m is 2 or 3 are suitable as light stabilizers and other stabilizers for organic material