GENEVA, July 2 -- POSCO CO., LTD filed a patent application (KR2025/021919) for “SURFACE TREATMENT COMPOSITION, SURFACE TREATMENT METHOD FOR PLATED STEEL SHEET, AND SURFACE-TREATED PLATED STEEL SHEET”. With publication no. WO/2026/135187, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: C09D 133/00
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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