IP Library › Granted Patent US 12,496,814
Granted Patent B2
US 12,496,814 · App. 16/493,758 · Granted Dec 16, 2025

Laminate, blister container, and push-through package

Inventors: Hajime Okamoto (Tokyo, JP); Kousuke Kashima (Tokyo, JP); Toyoaki Suzuki (Tokyo, JP)
Assignee: ZACROS CORPORATION
B32B27/30B32B27/32A61J1/035B32B2307/7246B65D65/40B65D75/32
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Quick Facts
Patent No.
US 12,496,814
App. No.
16/493,758
Granted
Dec 16, 2025
Kind
B2
Abstract

A laminate has a substrate layer, an intermediate layer, and a fluorine-based resin layer in this order, in which a total light transmittance of the laminate is 85% or more and a haze value of the laminate is 35% or less.

Claims (12)

1 . A laminate of a five-layer configuration consisting of a substrate layer, an intermediate layer, a fluorine-based resin layer, a second intermediate layer, and a second substrate layer in this order,

wherein

a thickness of said substrate layer is 50 μm or more to 250 μm or less, a thickness of said second substrate layer to that of said substrate layer is 0.5 times to 1.1 times,

each of said substrate layer and said second substrate layer only contains a polyester-based resin,

each of said intermediate layer and said second intermediate layer only contains polyethylene-based resin, a styrene-ethylene-butylene-styrene copolymer, and epoxidized polybutadiene,

a total light transmittance of said laminate is 90% or more,

a haze value of said laminate is 25% or less, and

a water vapor permeability of said laminate is 0.3 g/m 2 /24 hours or less,

wherein the laminate is deepdrawn.

2 . The laminate according to claim 1 , wherein said fluorine-based resin layer contains polychlorotrifluoroethylene.

3 . A blister container comprising the laminate according to claim 1 .

4 . A press-through package comprising the laminate according to claim 1 .

Assignments (2)
CHANGE OF NAME Recorded Jan 30, 2025
From: FUJIMORI KOGYO CO., LTD.
To: ZACROS CORPORATION
Reel/Frame 070060/0612 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2019
From: OKAMOTO, HAJIME; KASHIMA, KOUSUKE; SUZUKI, TOYOAKI
To: FUJIMORI KOGYO CO., LTD.
Reel/Frame 050366/0456 →
Priority Claims (1)
JP 2017-053664 · Mar 17, 2017 · national
Continuity (1)
Related Publication 20200031104A1 · Jan 30, 2020
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