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.
Patent No.:
Date of Patent:
Apr. 26, 2022
Filed:
Jul. 09, 2019
Applicant:
Arlanxeo Deutschland Gmbh, Dormagen, DE;
Inventors:
Qingchun Liu, Huangpi District Shanghai, CN;
Zhenli Wei, Pudong New District Shanghai, CN;
Karola Schneiders, Bergisch Gladbach, DE;
Assignee:
ARLANXEO DEUTSCHLAND GMBH, Dormagen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/02 (2006.01);
U.S. Cl.
CPC ...
C08C 19/02 (2013.01);
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.
Liu, Qingchun. (2022). Hydrogenation of nitrile rubber (U.S. Patent No. 11312791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11312791
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile