GENEVA, July 18 -- CHINA NATIONAL PETROLEUM CORPORATION filed a patent application (CN2025/144879) for “PREPARATION SYSTEM AND PREPARATION METHOD FOR 1,3-PROPANEDIOL”. With publication no. WO/2026/149207, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: B01J 19/00
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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