GENEVA, Aug. 11 -- TOPPAN HOLDINGS INC. (5-1, Taito 1-chome, Taito-ku, Tokyo1100016), ＴＯＰＰＡＮホールディングス株式会社 (東京都台東区台東１丁目５番１号) filed a patent application (PCT/JP2025/001043) for "METHOD FOR PRODUCING GAS BARRIER FILM, GAS BARRIER FILM, PACKAGING MATERIAL FILM, AND PACKAGING MATERIAL" on Jan 15, 2025. With publication no. WO/2025/164314, the details related to the patent application was published on Aug 07, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, ...