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. 14, 2026
Filed:
Jun. 24, 2021
Applicants:
The University of Tokyo, Tokyo, JP;
Photoq3 Inc., Tokyo, JP;
Inventors:
Akimitsu Okamoto, Tokyo, JP;
Wakako Dewa, Tokyo, JP;
Takao Hamakubo, Tokyo, JP;
Mikako Hamabe, Tokyo, JP;
Naoko Toda, Tokyo, JP;
Yukio Sudo, Tokyo, JP;
Assignees:
THE UNIVERSITY OF TOKYO, Tokyo, JP;
PHOTOQ3 INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 3/06 (2006.01); A61K 41/00 (2020.01); A61K 47/68 (2017.01);
U.S. Cl.
CPC ...
C07F 3/06 (2013.01); A61K 41/0057 (2013.01); A61K 47/6803 (2017.08);
Abstract
It is an object of the present invention to provide a compound that has absorption in a near infrared region, has high efficiency of singlet oxygen generation (quantum yield), and also has high tumor toxicity when it is combined with an immunotoxin. According to the present invention, provided is a compound represented by the following formula (1) or a salt thereof: