Packaging laminates based on cardboard and paper
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United States of America Patent
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Aug 11, 2015
Grant Date -
Nov 24, 2005
app pub date -
Jul 2, 2003
filing date -
Jul 3, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A folded moisture and heat resistant container is manufactured of a material of laminate type in the form of a sheet or a web, said laminate comprising at least a base layer (1), an outer coating (2) and an inner coating (3). The material is at least on one side thereof heat treated in an autoclave. In the material the case layer (1) consists of a liquid absorbing material, the outer coating (2) consists of a polymer selected from the group including polypropylene, oriented polypropylene, metalized high density polyethylene, linear low density polyethylene, unmodified polyester, metalized polyester and amorphous polyester, and the inner coating (3) consists of a polymer selected from the group including polypropylene, high density polyethylene, linear low density polyethylene, unmodified amorphous polyester.
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