Method of making a barrier material

Details Method of making a barrier material Method of making a barrier material

2005-06-21

2008-11-18

Cameron, Erma (Department: 1792)

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

C427S364000, C427S365000, C427S366000, C427S369000, C427S370000

Reexamination Certificate

active

07452573

ABSTRACT:
The barrier properties of a water soluble gas barrier material are improved if the material is blended with a nanoparticle calcium carbonate having a size of from 10 to 250 nanometers. The barrier material is on a substrate to provide a substrate with gas barrier properties. A layer of heat sealable material may be applied to the exposed surface of the barrier material. A method for making the barrier coated substrate is disclosed.

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