Invention Grant
- Patent Title: Sealable, peelable film
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Application No.: US14736125Application Date: 2015-06-10
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Publication No.: US11254096B2Publication Date: 2022-02-22
- Inventor: Jonathan Hewitt , Martin Richard Cockroft
- Applicant: Innovia Films Limited
- Applicant Address: GB Wigton
- Assignee: Innovia Films Limited
- Current Assignee: Innovia Films Limited
- Current Assignee Address: GB Wigton
- Agency: Knobbe Martens Olson & Bear, LLP
- Priority: GB0708692 20070504
- Main IPC: B32B27/08
- IPC: B32B27/08 ; B32B27/32 ; B32B7/06 ; B32B27/16 ; B32B27/36 ; B32B27/34 ; B32B27/18 ; B32B27/30

Abstract:
A sealable and peelable film comprising a four layer coextrudate comprising a core layer contributing predominantly towards the thickness of the film, a first sealing layer provided on one side of the core layer and a second sealing layer, or alternatively a laminating layer, provided on the other side of the core layer, and the film comprising a peeling layer in between the first sealing layer and the core layer and/or in between the second sealing layer, or alternatively the laminating layer, and the core layer, and wherein the peeling layer is adjacent the first sealing layer and/or the second sealing layer and/or the laminating layer, and wherein the relative thickness of the peeling layer and its adjacent sealing and/or lamination layer (p:s/l ratio) is from 1:10 to 5:1.
Public/Granted literature
- US20150273797A1 SEALABLE, PEELABLE FILM Public/Granted day:2015-10-01
Information query