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:
Jun. 30, 2020
Filed:
Jul. 19, 2019
Applicants:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventors:
Hiroki Iwanaga, Yokohama Kanagawa, JP;
Ryozo Akiyama, Mishima Shizuoka, JP;
Assignees:
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/64 (2006.01); G01N 33/12 (2006.01); C09K 11/06 (2006.01); C09B 23/14 (2006.01); G09F 3/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/12 (2013.01); C09B 23/148 (2013.01); C09K 11/06 (2013.01); G01N 21/6428 (2013.01); C09K 2211/1007 (2013.01); G01N 2021/6439 (2013.01); G09F 3/0291 (2013.01); Y10T 436/173845 (2015.01);
Abstract
Disclosed herein is a fluorescent compound represented by the following general formula and having fluorescence characteristics that vary in the presence of a subject substance, wherein Rand Reach independently represent a carboxyl group, or a substituent containing a carboxyl group, and Rand Reach independently represent a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a hydroxyl group, a carboxyl group, or a substituent containing a carboxyl group.