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Laminar thermoplastic film having a heat sealable surface

Assignee: Mobil Oil AS
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Filing: 1986-10-22
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Granted: —
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Expires: 2006-10-22
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Abstract

Abstract A laminar oriented thermoplastic film substrate comprising a polyolefin layer having on at least one side thereof a layer comprising a very low density polyethylene or a blend of (l) a very low density polyethylene and (2) a polyolefin.

Inventors

  • 👤 Melvil Bernard Clauson
  • 👤 John Ralph Wagner, Jr.

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 19:43
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/32; B32B27/06; B32B27/08; B32B2270/00; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/518; B32B2323/00; B32B2323/04; B32B2323/046; B32B2323/10

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 40 words
A laminar thermoplastic film comprising a substrate comprising a polyolefin layer having on at least one side thereof a layer comprising a very low density polyethylene or a blend of (l) a very low density polyethylene and (2) a polyolefin.
Claim 2
Dependent Claim 40 words
A laminar thermoplastic film comprising a substrate comprising a polyolefin layer having on at least one side thereof a layer comprising a very low density polyethylene or a blend of (l) a very low density polyethylene and (2) a polyolefin.
Claim 3
Dependent Claim 10 words
The film of claim 1 wherein the substrate is polypropylene.
Claim 4
Dependent Claim 22 words
The film of claim 2 wherein the very low density polyethylene or the blend is on one side of the substrate layer.
Claim 5
Dependent Claim 21 words
The film of claim 2 wherein the very low density polyethylene or blend thereof is on both sides of the substrate.
Claim 6
Dependent Claim 14 words
The film of any one of the preceding claims in a biaxially oriented state.
Claim 7
Dependent Claim 23 words
The film of any one of the preceding claims wherein the very low density polyethylene has a density of less than 0.912 g/cc.
Claim 8
Dependent Claim 23 words
The film of any one of the preceding claims wherein the very low density polyethylene has a density from 0.089 to 0.912 g/cc.

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