GENEVA, July 7 -- SICHUAN DACHUAN HEYI BIOTECHNOLOGY CO., LTD ((No. 302, Unit 1, Building 3, No. 1000, Qihuang 1st Road, Shuangliu Dsitrict) Chengdu Tianfu International Bio-townChengdu, Sichuan 610000), 四川大川合颐生物科技有限公司 (中国四川省成都市成都天府国际生物城（双流区岐黄一路1000号3栋1单元302号）) filed a patent application (PCT/CN2024/140265) for "PREPARATION SYSTEM AND METHOD FOR GELATIN EMBOLIZATION MICROSPHERES" on Dec 18, 2024. With publication no. WO/2025/139948...