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:
May. 19, 2020
Filed:
Dec. 04, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Keigo Mizusawa, Tokyo, JP;
Tatsuki Fukui, Yokohama, JP;
Daisuke Sasaguri, Yokohama, JP;
Atsushi Takahashi, Ebina, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); C07D 209/60 (2006.01); G01N 33/49 (2006.01); A61K 49/00 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); A61K 49/0032 (2013.01); A61K 49/0054 (2013.01); C07D 209/60 (2013.01); G01N 33/49 (2013.01); A61K 49/001 (2013.01); A61K 49/005 (2013.01); A61K 49/0017 (2013.01); C09K 2211/1466 (2013.01); G01N 2800/7028 (2013.01);
Abstract
To provide a compound having high T/B and a contrast agent for optical imaging. The compound has a molecular weight of a specific range, the compound in which two polyethylene glycols are bonded to a specific cyanine pigment through a linker. The present invention provides a compound which has a high T/B and which can be used as a contrast agent capable of imaging a tumor portion with high contrast.