Japan, Sept. 18 -- DAINIPPON PRINTING CO LTD has got intellectual property rights for 'BARRIER LAMINATE, AND PACKAGING CONTAINER HAVING THE BARRIER LAMINATE.' Other related details are as follows:
Application Number: JP,2025-070719
Category (FI): B65D65/40@D,B32B9/00@A,B29C55/12,B32B7/022,B32B27/32@Z
Stage: PROBLEM TO BE SOLVED: To provide a barrier laminate which has a multilayer base material excellent in adhesion between a vapor-deposited film and a layer, and high gas barrier property.SOLUTION: A barrier laminate includes a multilayer base material having a vapor-deposited film, and a sealant layer, wherein the multilayer base material includes at least a polypropylene resin layer and a surface coat layer, the polypropylene resin layer is subjected to drawing treatment, the surface coat layer contains a resin material having a polar group, the vapor-deposited film is composed of an inorganic oxide, the vapor-deposited film is provided on the surface coat layer, a barrier coat layer is provided on a surface opposite to a surface where the surface coat layer of the vapor-deposited film is provided, the barrier coat layer is a gas barrier coating film containing metal alkoxide and a water-soluble polymer (excluding gas barrier coating film further containing inorganic layer laminar compound), and laminate strength between the multilayer base material and the vapor-deposited film is 3 N or more in the width of 15 mm.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: April 22, 2025
Publication Date: July 10, 2025
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
