INTERNATIONAL PATENT: CANGZHOU RISUN CHEMICAL., LTD, 沧州旭阳化工有限公司 FILES APPLICATION FOR "COMPOSITE ELASTIC FIBER AND PREPARATION METHOD THEREFOR"

GENEVA, Sept. 15 -- CANGZHOU RISUN CHEMICAL., LTD (North of Nanshu Port, Bohai New AreaCangzhou, Hebei 061113), 沧州旭阳化工有限公司 (中国河北省沧州市渤海新区南疏港路北侧) filed a patent application (PCT/CN2025/079878) for "COMPOSITE ELASTIC FIBER AND PREPARATION METHOD THEREFOR" on Feb 28, 2025. With publication no. WO/2025/185531, the details related to the patent application was published on Sep 11, 2025.

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