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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.:

US 12722147 B1

PDFFull Text
Date of Patent:
Sep. 01, 2026

Filed:

Dec. 14, 2021

Method for preparing catalyst for selective hydrogenation of cyclododecatriene and catalyst prepared by preparation method

Applicant:

Hanwha Solutions Corporation, Seoul, KR;

Inventors:

Youngjin Kim, Daejeon, KR;

Namjin Jang, Daejeon, KR;

Assignee:

HANWHA SOLUTIONS CORPORATION, Seoul, KR;

Attorney:

Harvest IP Law, LLP

Primary Examiner:

Alexander R Pagano

Assistant Examiner:

Frank S. Hou

Int. Cl.
CPC ...
B01J 31/24 (2006.01); B01J 31/28 (2006.01); B01J 37/08 (2006.01); C07C 5/05 (2006.01); C07C 13/277 (2006.01);
U.S. Cl.
CPC ...
B01J 31/2404 (2013.01); B01J 37/08 (2013.01); C07C 5/05 (2013.01); C07C 13/277 (2013.01); B01J 2231/646 (2013.01); B01J 2531/821 (2013.01);
Abstract

The present invention relates to a method for preparing a catalyst for selective hydrogenation of cyclododecatriene and a catalyst prepared by the preparation method. The method for preparing a catalyst for selective hydrogenation of cyclododecatriene of the present invention includes: (S1) preparing a ruthenium complex by reacting ruthenium chloride with formaldehyde; and (S2) adding triphenylphosphine to the ruthenium complex and then allowing a reaction to proceed.

Find Patent Forward Citations

Kim, Youngjin. (2026). Method for preparing catalyst for selective hydrogenation of cyclododecatriene and catalyst prepared by preparation method (U.S. Patent No. 12722147). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12722147

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