ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,734, issued on April 14, was assigned to THE UNIVERSITY OF TOKYO (Tokyo) and PHOTOQ3 INC. (Tokyo).
"Photosensitizing dye" was invented by Akimitsu Okamoto (Tokyo), Wakako Dewa (Tokyo), Takao Hamakubo (Tokyo), Mikako Hamabe (Tokyo), Naoko Toda (Tokyo) and Yukio Sudo (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "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 followin...