Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1996-05-17
1999-08-03
Kiliman, Leszek
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
2641771, 2641761, 264184, 2642096, 2642095, 26421112, 2642112, 264241, 2642902, 264292, 478516, 478349, 478402, 478336, 478339, B32B 320
Patent
active
059321571
ABSTRACT:
A composite film is described which has at least one base layer which predominantly comprises polypropylene, and at least one top layer. The top layer is sealable and comprises a homopolymer of an olefin. A process for producing the composite film, the top layer olefin homopolymer and packaging material made from the film also are described.
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patent: 4622237 (1986-11-01), Lori
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patent: 4698261 (1987-10-01), Bothe et al.
patent: 5026592 (1991-06-01), Janocha et al.
patent: 5049436 (1991-09-01), Morgan et al.
patent: 5254394 (1993-10-01), Bothe et al.
Dries Thomas
Schloegl Gunter
Spaleck Walter
Winter Andreas
Hoechst Aktiengesellschaft
Kiliman Leszek
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