Packaging - Patent US7049359(B2)
Filed:
Oct 30, 2001
Published:
May 23, 2006
Abstract
The present invention provides a wall for a package, which wall comprises, or includes a layer comprising, a composition comprising a polymer and capable of scavenging oxygen through the metal-catalysed oxidation of an oxidizable organic component thereof. The oxidizable organic component is preferably itself a polymer, and may be the only polymer in the composition. Preferred compositions include a blend of 96% polyethylene terephthalate and 4% poly (m-xylyleneadipamide) containing 200 ppm cobalt as catalyst, with good permeance-versus-time performance (3) when formed into a bottle.Applicants
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CONSTAR INTERNATIONAL INC
Inventors
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FOLLAND RICKWORTH
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COCHRAN MICHAEL ALEXANDER
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ROBINSON MELVIN EDWARD RIDDELL
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NICHOLAS JAMES WILLIAM
Application Number
10013985Priority Claims
US34041689
