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:
Sep. 05, 2023
Filed:
Apr. 27, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Kei Toyota, Osaka, JP;
Norihito Tsukahara, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/10 (2006.01); B01D 71/46 (2006.01); C07F 7/18 (2006.01); B01D 71/30 (2006.01);
U.S. Cl.
CPC ...
B01D 69/10 (2013.01); B01D 71/30 (2013.01); B01D 71/46 (2013.01); C07F 7/1804 (2013.01); B01D 2311/2649 (2013.01);
Abstract
An ion-sensitive substance containing a crown ether structure composed of a repeating unit represented by formula (a): —CRR—CRX—O— . . . (a) (in the formula, X is an organic group having an alkoxysilyl group at a terminal, and R, Rand Rare each a hydrogen atom or a hydrocarbon group), and a part or all of the alkoxysilyl groups in the crown ether structure may be hydrolyzed to form a silanol group.