Patent · US Active

Hydrogenation of nitrile rubber

US11312791B2 · kind B2 · utility

0Cited by

14References

15Claims

0Family size

Assignee

Arlanxeo Deutschland GmbH · DE

Inventors

Qingchun Liu · Shandong, CN
Zhenli Wei · Kampung Sri Tambak, MY
Karola Schneiders · Moitzfeld, DE

Key dates

Filing date	Jul 9, 2019
Grant date	Apr 26, 2022
Priority date	—
Expiry date	Jul 9, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L15/005
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to a novel process for selectively and efficiently hydrogenating nitrile rubber in the presence of specific complex catalysts system comprising an NHC-ligand comprising Ru-complex catalyst and a specific hydrogenation enhancer.

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