GENEVA, March 22 -- SHANGHAI SHANGYUAN PRINTING CO., LTD. (Ground Floor, Building 1, No. 96, Xingao Road, Xianghuaqiao SubdistrictQingpu District, Shanghai 201799), 上海上源印务有限公司 (中国上海市青浦区香花桥街道新高路96号楼1幢底楼) filed a patent application (PCT/CN2025/115376) for "BIODEGRADABLE PLASTIC-FREE PAPER BAG AND PRODUCTION DEVICE THEREFOR" on Aug 18, 2025. With publication no. WO/2026/056631, the details related to the patent application was published on Mar 19, 2026.
Notably, the patent application was submitted under the International Patent ...