04147827 is referenced by 99 patents and cites 6 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
5/848435
Publication Number
4147827
Application Date
November 4, 1977
Publication Date
April 3, 1979
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 27/08
B32B 27/32
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