04197150 is referenced by 18 patents and cites 8 patents.

Laminar thermoplastic films are provided which exhibit improved heat seal strengths as well as heat seal temperature ranges. The laminates comprise a predominantly propylene-based polymer substrate or core, the propylene core layer being coated with continuous skins, the skins being fabricated from ethylene based resin with a density of less than 0.939.

Title
Coextruded heat sealable laminar thermoplastic films
Application Number
848435
Publication Number
4197150
Application Date
October 26, 1978
Publication Date
April 8, 1980
Inventor
Milton L Weiner
Rochester
NY, US
A Michael Nahmias
Canandaigua
NY, US
Thomas W Higgins
Penfield
NY, US
Peter Breidt Jr
Webster
NY, US
Agent
James D Tierney
Charles A Huggett
Assignee
Mobil Oil Corporation
NY, US
IPC
B32B 31/30
B32B 31/26
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