Process for degrading nitrile rubbers in the presence of catalysts having an increased activity

US9593168B2 · kind B2 · utility

Assignee

• Arlanxeo Deutschland GmbH · DE

Inventors

• Werner Obrecht · Moers, DE
• Christopher Ong · Bridge City, US
• Julia Maria Jeschko · Blaustein, DE
• Oskar Nuyken · Munich, DE

Key dates

• Filing date: Jul 8, 2015
• Grant date: Mar 14, 2017
• Expiry date: Jul 8, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08C19/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity.