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. 02, 2019
Filed:
Sep. 04, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tatsuki Fukui, Yokohama, JP;
Atsushi Takahashi, Kyoto, JP;
Daisuke Sasaguri, Yokohama, JP;
Kouichi Kato, Kyoto, JP;
Fumiko Tomatsu, Yokohama, JP;
Keigo Mizusawa, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 8/00 (2006.01); A61B 10/00 (2006.01); A61K 49/22 (2006.01); A61K 49/00 (2006.01);
U.S. Cl.
CPC ...
A61K 49/22 (2013.01); A61K 49/0032 (2013.01);
Abstract
The present invention provides contrast agents for photoacoustic imaging which exhibit high degrees of accumulation in tumor and low degrees of retention in the blood and can be administered into the blood. The contrast agents for photoacoustic imaging include a conjugate of a dye and a polyethyleneglycol represented by Formula (1), (5), (6), or (7) and an additive represented by Formula (301).