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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.:

US 9517267 B1

PDFFull Text
Expired
Date of Patent:
Dec. 13, 2016

Filed:

Jan. 22, 2013

Photodynamic diagnostic agent and photobleaching inhibitor

Applicants:

Sbi Pharmaceuticals Co., Ltd., Tokyo, JP;

Tokyo Institute of Technology, Tokyo, JP;

Inventors:

Masahiro Ishizuka, Tokyo, JP;

Tohru Tanaka, Tokyo, JP;

Shun-ichiro Ogura, Tokyo, JP;

Takuya Ishii, Tokyo, JP;

Assignees:

SBI Pharmaceuticals Co., Ltd., Tokyo, JP;

Tokyo Institute of Technology, Tokyo, JP;

Attorney:

Myers Bigel, P.A.

Primary Examiner:

Michael G Hartley

Assistant Examiner:

Jagadishwar Samala

Int. Cl.
CPC ...
A61K 41/00 (2006.01); C07C 69/84 (2006.01); A61K 45/06 (2006.01); A61K 49/00 (2006.01); A61K 31/192 (2006.01); A61K 31/216 (2006.01);
U.S. Cl.
CPC ...
A61K 41/0061 (2013.01); A61K 31/192 (2013.01); A61K 31/216 (2013.01); A61K 41/0057 (2013.01); A61K 45/06 (2013.01); A61K 49/0036 (2013.01); C07C 69/84 (2013.01);
Abstract

The objects of the present invention are to inhibit photobleaching of porphyrins as well as to provide a superior photodynamic diagnostic agent and a photodynamic diagnostic method employing the photobleaching inhibitor for porphyrins. The present invention provides a photodynamic diagnostic agent containing a precursor of porphyrins and a gallic acid. The present invention also provides a photobleaching inhibitor for porphyrins containing a gallic acid.

Find Patent Forward Citations

Ishizuka, Masahiro. (2016). Photodynamic diagnostic agent and photobleaching inhibitor (U.S. Patent No. 9517267). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9517267

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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