INTERNATIONAL PATENT: HANGZHOU SEEHE BIOTECHNOLOGY CO., LTD, HANGZHOU DAC BIOTECH CO., LTD FILES APPLICATION FOR "AN ANTIBODY-DRUG CONJUGATE CONTAINING AN EXTRA FUNCTIONAL COMPOUND FOR ENHANCED TREATMENT OF REFRACTORY DISEASES"

GENEVA, Nov. 30 -- HANGZHOU SEEHE BIOTECHNOLOGY CO., LTD (Building 19, ZhengTaiZhongZi Tech. Park, No. 260 Sixth Street, HEDAHangzhou, Zhejiang 310018), HANGZHOU DAC BIOTECH CO., LTD (Building 1, No. 369 Qiaoxin Street, Hangzhou Qiantang DistrictHangzhou, Zhejiang 310018) filed a patent application (PCT/CN2024/133750) for "AN ANTIBODY-DRUG CONJUGATE CONTAINING AN EXTRA FUNCTIONAL COMPOUND FOR ENHANCED TREATMENT OF REFRACTORY DISEASES" on Nov 22, 2024. With publication no. WO/2025/241452, the details related to the patent application was published on Nov 27, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO)....