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. 21, 2026
Filed:
Aug. 30, 2021
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Makoto Hirano, Ibaraki, JP;
Hirokazu Matsuda, Ibaraki, JP;
Evgeny Alexandrovich Pidko, Utrecht, NL;
Georgy Alexandrovich Filonenko, Delft, NL;
Christophe Rebreyend, Delft, NL;
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/02 (2006.01); B01J 31/16 (2006.01); B01J 31/18 (2006.01); B01J 31/20 (2006.01); B01J 31/24 (2006.01); C07C 51/41 (2006.01); C07F 15/00 (2006.01); C09K 3/18 (2006.01); C07C 51/15 (2006.01);
U.S. Cl.
CPC ...
C07C 51/02 (2013.01); B01J 31/1616 (2013.01); B01J 31/181 (2013.01); B01J 31/189 (2013.01); B01J 31/20 (2013.01); B01J 31/2409 (2013.01); C07C 51/41 (2013.01); C07F 15/0046 (2013.01); C09K 3/185 (2013.01); B01J 2231/648 (2013.01); B01J 2531/004 (2013.01); B01J 2531/821 (2013.01); C07C 51/15 (2013.01);
Abstract
The invention relates to a method for producing a formate, the method including a first step of reacting hydrogen with carbon dioxide, a hydrogen carbonate or a carbonate using a catalyst in the presence of a solvent to form a formate in the reaction liquid, wherein the reaction is a two-phase system in which an organic phase and an aqueous phase are present in a separated state in the solvent, and a base concentration in the reaction is 2.5 mol/L or more.