Stock material or miscellaneous articles – Structurally defined web or sheet – Physical dimension specified
Patent
1995-12-06
1997-12-23
Anthony, Joseph D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Physical dimension specified
428215, 428219, 4284111, 428492, 428500, 25218828, 526 90, 526335, B32B 2718, B32B 2500, B29D 2200, C09K 1502
Patent
active
057005540
ABSTRACT:
An article useful for packaging oxygen-sensitive products is disclosed. The article is a single or multi-layer article capable of enveloping the oxygen sensitive product. The article has at least one layer which contains a composition composed of an ethylenically unsaturated hydrocarbon polymer and a transition metal salt. The layer is capable of scavenging oxygen at a rate of at least 1 cc oxygen per square meter per day and has a capacity of at least 250 cc oxygen per square meter per mil thickness of the layer.
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Ebner Cynthia L.
Morgan Charles R.
Roberts William P.
Speer Drew V.
Anthony Joseph D.
Troffkin Howard J.
W. R. Grace & Co.,-Conn.
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