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:
Jul. 15, 2025

Filed:

Feb. 28, 2020
Applicant:

Tokyo University of Science Foundation, Tokyo, JP;

Inventors:

Tatsushi Imahori, Tokyo, JP;

Ryo Motoyama, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 245/08 (2006.01); B01D 53/02 (2006.01); B01D 53/62 (2006.01); B01D 53/80 (2006.01); B01D 53/96 (2006.01); B01J 20/22 (2006.01); B01J 20/34 (2006.01);
U.S. Cl.
CPC ...
C07C 245/08 (2013.01); B01D 53/62 (2013.01); B01D 2253/20 (2013.01);
Abstract

A compound represented by Formula (1): each of Land Lindependently represents an alkyl group having from 1 to 20 carbon atoms, an alkoxy group having from 1 to 20 carbon atoms, NH, NHR, NRR, an ester group, a carboxy group, an amide group, a cyano group, a nitro group, a halogen atom, an acyl group, CF, O(CH)OCH, a carbamate group, or an aryl group. l represents 1 or 2. Each of Rand Rindependently represents a divalent hydrocarbon group having from 1 to 10 carbon atoms, at least one hydrogen atom of the divalent hydrocarbon group is optionally substituted with an alkyl group, an aryl group, an ester group, a carboxy group, an amide group, a cyano group, a nitro group, a halogen atom, an acyl group, CF, O(CH)OCH, a carbamate group, or an alkoxy group, each of Rand Rindependently represents an alkyl group, an aryl group, an acyl group, an ester group, an alkylsulfonyl group, or an arylsulfonyl group, each of Rand Rindependently represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, or an aryl group, and n+m≥1.


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