B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/26 (2006.01) B32B 27/00 (2006.01) B32B 27/28 (2006.01) B65D 5/70 (2006.01) B65D 30/08 (2006.01) B65D 30/10 (2006.01) B65D 33/02 (2006.01) B65D 65/40 (2006.01) B65D 77/06 (2006.01) B65D 81/02 (2006.01) B65D 81/24 (2006.01) C08F 8/14 (2006.01) C08F 299/00 (2006.01) C08G 81/02 (2006.01) C08J 5/18 (2006.01) C08K 5/07 (2006.01) C08K 5/09 (2006.01) C08K 5/12 (2006.01) C08L 101/00 (2006.01) C09D 5/02 (2006.01) C09D 5/08 (2006.01) C09D 163/00 (2006.01)
Patent
CA 2303356
Active oxygen scavenging compositions and their use in packaging articles are disclosed. The compositions are all plastic materials and are typically deployed as at least one layer in a multi-layered wall of a packaging article such as a bottle, can or film. The compositions are usually used in conjunction with added transition metal catalyst to enhance the uptake of oxygen. Use of the compositions and package constructions disclosed serves to lengthen the shelf life of packaged oxygen sensitive substances and/or diminish the need for refrigeration of the packages.
L'invention porte sur des compositions actives de piégeage d'oxygène et leur utilisation pour l'emballage d'articles. Ces compositions, entièrement constituées de plastiques, et qui forment au moins une couche de la paroi multicouche d'un article d'emballage tel qu'une bouteille, une boîte ou une feuille, sont généralement associées à un catalyseur de métal de transition renforçant l'absorption d'oxygène. Ces compositions et les emballages en étant faits permettent de prolonger la durée de conservation de produits emballés sensibles à l'oxygène et/ou à diminuer les impératifs de réfrigération.
Barski Roman F. Jr.
Cahill Paul J.
Nyderek Walter M.
Richardson Joel Albert
Rotter George E.
Bp Amoco Corporation
Colormatrix Holdings Inc.
Gowling Lafleur Henderson Llp
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