GENEVA, July 31 -- STORA ENSO OYJ filed a patent application (IB2026/050220) for “FORMABLE FIBER SUBSTRATE WITH BARRIER LAYER”. With publication no. WO/2026/159525, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: D21H 15/04
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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