EP 2777934 A1 20140917 - BARRIER PAPER PACKAGING MATERIAL
Title (en)
BARRIER PAPER PACKAGING MATERIAL
Title (de)
BARRIEREPAPIER-VERPACKUNGSMATERIAL
Title (fr)
MATÉRIAU D'EMBALLAGE À PAPIER BARRIÈRE
Publication
Application
Priority
- JP 2011246162 A 20111110
- JP 2012002670 A 20120111
- JP 2012002671 A 20120111
- JP 2012011279 A 20120123
- JP 2012032254 A 20120217
- JP 2012120377 A 20120528
- JP 2012079176 W 20121109
Abstract (en)
A paper based barrier packaging material simultaneously having both of an excellent gas barrier property and an excellent water vapor barrier property, the paper based barrier packaging material including a plurality of coating layers formed on a paper base material, wherein the coating layers include a water vapor barrier layer on the paper base material and a gas barrier layer formed on the water vapor barrier layer, and the coating layers are each formed by using as a binder resin a water soluble polymer or a water suspendable polymer.
IPC 8 full level
B32B 29/00 (2006.01); B65D 65/40 (2006.01)
CPC (source: EP)
D21H 19/38 (2013.01); D21H 19/56 (2013.01); D21H 19/58 (2013.01); D21H 19/60 (2013.01); D21H 19/82 (2013.01); D21H 19/822 (2013.01); D21H 21/52 (2013.01); D21H 27/10 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2777934 A1 20140917; EP 2777934 A4 20150701; EP 2777934 B1 20170315; CN 104080607 A 20141001; CN 104080607 B 20161109; JP 5331265 B1 20131030; JP WO2013069788 A1 20150402; WO 2013069788 A1 20130516
DOCDB simple family (application)
EP 12847115 A 20121109; CN 201280054858 A 20121109; JP 2012079176 W 20121109; JP 2013505656 A 20121109