The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 01, 2023

Filed:

Apr. 11, 2019
Applicant:

Arlanxeo Deutschland Gmbh, Cologne, DE;

Inventors:

Qingchun Liu, Shanghai, CN;

Zhenli Wei, Shanghai, CN;

Nian Gao, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/02 (2006.01); B01J 31/02 (2006.01); B01J 31/22 (2006.01); C08L 15/00 (2006.01);
U.S. Cl.
CPC ...
C08C 19/02 (2013.01); B01J 31/0204 (2013.01); B01J 31/2217 (2013.01); B01J 31/2273 (2013.01); B01J 31/2295 (2013.01); C08L 15/005 (2013.01); B01J 2231/643 (2013.01); B01J 2531/007 (2013.01); B01J 2531/821 (2013.01);
Abstract

This invention relates to novel hydrogenation catalyst compositions obtainable from reacting metal-based complex hydrogenation catalysts with specific co-catalysts and to a process for selectively hydrogenating nitrile rubbers in the presence of such novel hydrogenation catalyst compositions.


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