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US Patent 11752742 Multi-layer film and reclosable film package

OverviewStructured DataIssuesContributors

Contents

Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11752742
Patent Inventor Names
Stuart Mackintosh Blyth
Ying (Lora) Liang
Christopher Holt
Matthew James Down
Paul A. Zerfas
Date of Patent
September 12, 2023
Patent Application Number
17385494
Date Filed
July 26, 2021
Patent Citations
‌
US Patent 8114451 Resealable closure with package integrity feature
‌
US Patent 7165888 Resealable closures for packages and packages containing the same
‌
US Patent 7371008 Tamper-indicating resealable closure
‌
US Patent 7416768 Flexible film packaging having removable strip
‌
US Patent 7717620 Flexible packaging structure with a built-in opening and reclose feature, and method for making same
‌
US Patent 7744517 Tamper-indicating resealable closure
‌
US Patent 7871696 Peelable composite thermoplastic sealants in packaging films
‌
US Patent 7927679 Easy-open reclosable films having an interior frangible interface and articles made therefrom
...
Patent Primary Examiner
‌
Jes F Pascua
CPC Code
‌
B32B 27/36
‌
B32B 2250/03
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B32B 2250/24
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B32B 2250/242
‌
B32B 2270/00
‌
B32B 2274/00
‌
B32B 2307/31
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B32B 2307/748
...

A multi-layer film and a film package made from the film are described herein that provide resealing capabilities by utilizing a tacky layer within the multi-layer film. The multi-layer film can include an outer film portion including the embedded tacky layer and an inner film portion. An opening feature formed in the multi-layer film includes a flap configured to be manipulated by a user to create an opening through the multi-layer film. The inner film portion can include a release layer configured specifically to interact with the tacky layer to provide a desired separation peel force and resealing functionalities. The outer film portion can include an outer film layer disposed on an opposite side of the tacky layer from the release layer that is configured to permanently adhere to the tacky layer.

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