Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1991-03-29
1993-04-20
Buffalow, Edith
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428516, 428910, 15624411, B32B 516
Patent
active
052041794
ABSTRACT:
A multilayer structure designed to overcome the shortcomings of previously known thermoformed sheet structures. Articles may be formed by a method of the present invention having an attractive outer appearance associated with polyolefin films containing inert inorganic fillers while having the advantageous processing properties of oriented films. The present invention is directed to multilayer structures, methods for forming the multilayer structures as well as shaped articles formed from the multilayer structures. The multilayer structure has at least a first sheet layer comprising a polyolefin and preferably an inert organic filler, and a film layer which advantageously comprises an oriented polyolefin or polyester. The present invention may comprise one or more of each of the above described sheet and film layers.
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Baker Philip S.
Donk Daniel L.
Buffalow Edith
McKillop Alexander J.
Mobil Oil Corporation
Speciale Charles J.
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