Retail & Household
| Mon 16 Mar 2026
Munich, March 16 -- Toppan Holdings has applied European patent for Gas Barrier Film, Laminate, and Packaging Bag. Hoshi Sayaka developed it.
The patent application number is EP20240807239 20240515. The patent publication number is EP4706960 (A1). International Patent Classification codes are B32B27/18, B32B27/32, B32B9/00, B65..