GENEVA, June 24 -- PETROCHINA SHANGHAI ADVANCED MATERIALS RESEARCH INSTITUTE CO. LTD filed a patent application (CN2025/129849) for “HOLLOW CARBON FIBER MEMBRANE AND PREPARATION METHOD THEREFOR, AND GAS MEMBRANE MODULE AND USE THEREOF”. With publication no. WO/2026/113762, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: B01D 53/22
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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