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:
Jan. 10, 2023

Filed:

Jul. 06, 2018
Applicant:

Toyo Tire Corporation, Itami, JP;

Inventors:

Norihiko Nakamura, Itami, JP;

Keiichi Tomishige, Sendai, JP;

Yoshinao Nakagawa, Sendai, JP;

Masazumi Tamura, Sendai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/652 (2006.01); B01J 23/89 (2006.01); B01J 37/16 (2006.01); C07C 29/149 (2006.01); C07C 31/20 (2006.01);
U.S. Cl.
CPC ...
B01J 23/6525 (2013.01); B01J 23/8913 (2013.01); B01J 37/16 (2013.01); C07C 29/149 (2013.01); C07C 31/20 (2013.01);
Abstract

The invention relates to a novel catalyst for hydrogenation for hydrogenating at least one of dicarboxylic acid or its acid anhydride. The catalyst for hydrogenation according to a first embodiment is obtained by supporting at least one of palladium or platinum, and cobalt on a carrier, and subjecting the resulting carrier to a reduction treatment at 400 K or higher. The catalyst for hydrogenation according to a second embodiment is obtained by supporting at least one of palladium or platinum, and molybdenum on a carrier, and subjecting the resulting carrier to a reduction treatment at 500 K or higher.


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