Patent · US Active

Hydrogenation of diene-based polymers

US9371403B2 · kind B2 · utility

0Cited by

7References

24Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Matthias Soddemann · Schattdorf, CH
Sharon Guo · London, CA
Zhenli Wei · Kampung Sri Tambak, MY

Key dates

Filing date	Jul 27, 2011
Grant date	Jun 21, 2016
Priority date	—
Expiry date	Mar 4, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G83/005
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to a process for the hydrogenation of diene-based copolymers in the presence of catalysts on specific carrier materials containing at least one hyper-branched polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.