GENEVA, March 16 -- SHANGHAI BITOO BIOTECHNOLOGY CO., LTD. (Building 8, No. 301, Benteng Road, Lin-gang Special Area, China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 201306), 上海碧途生物技术有限公司 (中国上海市浦东新区中国（上海）自由贸易试验区临港新片区奔腾路301号8幢) filed a patent application (PCT/CN2025/097139) for "VIRUS REMOVAL FILTER MEMBRANE AND PREPARATION METHOD THEREFOR" on May 26, 2025. With publication no. WO/2026/051448, the details related to the pat...