Methods for preparation of novel graft copolymers

US9487613B2 · kind B2 · utility

Assignees

• LANXESS INTERNATIONAL SA · CH
• THE UNIVERSITY OF WESTERN ONTARIO · CA

Inventors

• Goran Stojcevic · Ekeren, BE
• Lorenzo Ferrari · Burlington, CA
• Dana Adkinson · London, CA
• Elizabeth R. Gillies · London, CA
• Collin V. Bonduelle · London, CA
• Solmaz Karamdoust · London, CA

Key dates

• Filing date: Aug 11, 2011
• Grant date: Nov 8, 2016
• Expiry date: Jul 8, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2323/26
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to novel graft copolymers of functionalized poly(isoolefin-co-conjugated diolefin, and a process of preparing such graft copolymers. The present invention also relates to a method of preparing functionalized copolymers of isoolefins and conjugated diolefins.