US 2026/0232529 A1 · PACKAGING BAG

Abstract

A packaging bag of the present invention includes a bag body provided with: a bonded part that is obtained by layering laminates, each of which includes a sealant layer, an oxygen barrier layer, and a water vapor barrier layer in that order, such that the sealant layer sides thereof face each other, and fusing the outer peripheral edges of both laminates together; and a storage chamber that is defined by the laminates and the bonded part, and that can be filled with contents, in which the water vapor barrier layer contains a fluorine-based resin.

Claims8

Dependent claims

A packaging bag, comprising:

a bag body provided with:
a bonded part that is obtained by layering laminates, each of which includes a sealant layer, an oxygen barrier layer, and a water vapor barrier layer in that order, such that the sealant layer sides thereof face each other, and fusing the outer peripheral edges of both laminates together;
and a storage chamber that is defined by the laminates and the bonded part, and that can be filled with contents,
wherein the water vapor barrier layer contains a fluorine-based resin.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

19/156,406Filed 14 Mar 2024

Priority

JP 2023-04233816 Mar 2023

Published

13 Aug 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

A61J 1/1468
Details; Accessories therefor: containers characterised by specific material properties
A61J 1/10
For collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers: bag-type containers
B32B 3/08
Characterised by features of form at particular places, e.g. in edge regions: characterised by added members at particular parts
B32B 7/05
Interconnection of layers: the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection

Packaging bag

Life of this patent

Packaging bag

Life of this patent

Abstract

Claims8