INTERNATIONAL PATENT: SHANGHAI GUANGSHENG BIOPHARMACEUTICAL CO., LTD, 上海光声制药有限公司 FILES APPLICATION FOR "METHOD FOR PREPARING ETHER LINKAGE-BONDED PORPHYRIN DIMER ESTER, METHOD FOR PREPARING SINOPORPHYRIN SODIUM, PHARMACEUTICAL COMPOSITION COMPRISING SAME AND USE THEREOF"

GENEVA, Aug. 24 -- SHANGHAI GUANGSHENG BIOPHARMACEUTICAL CO., LTD (Floor 1-2, Building 2, 500 Furonghua RoadPudong New Area, Shanghai 201318), 上海光声制药有限公司 (中国上海市浦东新区芙蓉花路500弄2号楼1-2层) filed a patent application (PCT/CN2024/077339) for "METHOD FOR PREPARING ETHER LINKAGE-BONDED PORPHYRIN DIMER ESTER, METHOD FOR PREPARING SINOPORPHYRIN SODIUM, PHARMACEUTICAL COMPOSITION COMPRISING SAME, AND USE THEREOF" on Feb 18, 2024. With publication no. WO/2025/171634, the details related to the patent application was published on Aug 21, 2025.

Notably, the patent applica...