Hydrogenated nitrile rubbers with improved low-temperature properties

US7091284B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Rudolf Casper · Leverkusen, DE
• Hans-Rafael Winkelbach · Cologne, DE
• Hans Strauch · Dormagen, DE
• Paul Nguyen · London, CA
• Sharon Guo · London, CA
• Janet Gamlin · Dorpsstraat, US
• Harald Bender · Sarnia, CA

Key dates

• Filing date: Aug 21, 2001
• Grant date: Aug 15, 2006
• Expiry date: Jun 12, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08C19/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Hydrogenated copolymers of an unsaturated nitrile, butadiene and isoprene, wherein the molar ratio of butadiene to isoprene is less than 3:1, display valuable low temperature properties.