Packaging

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which is a polyamide, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which is a polyamide, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day), and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which is a polyamide, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which is a polyamide, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day) and not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which is a polyamide, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day) and not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall consists of, or includes a layer consisting of, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which contains --CONH-- linkages in a concentration of at least 0.08 mmol/g in the total composition, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day).

A wall for a package, which wall consists of, or includes a layer consisting of, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which contains --CONH-- linkages in a concentration of at least 0.08 mmol/g in the total composition, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties.

A wall for a package, which wall consists of, or includes a layer consisting of, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which contains --CONH-- linkages in a concentration of at least 0.08 mmol/g in the total composition, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day), and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall consists of, or includes a layer consisting of, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which contains --CONH-- linkages in a concentration of at least 0.08 mmol/g in the total composition, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall consists of, or includes a layer consisting of, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which contains --CONH-- linkages in a concentration of at least 0.08 mmol/g in the total composition, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day), and not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties.

A wall for a package, which wall consists of, or includes a layer consisting of, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic polymer component which contains --CONH-- linkages in a concentration of at least 0.08 mmol/g in the total composition, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day) and not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic component selected from polyamides, non-polymeric amides and substituted phenols, the metal oxidation promoter being selected from transition metals in positive oxidation states, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day).

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic component selected from polyamides, non-polymeric amides and substituted phenols, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic component selected from polyamides, non-polymeric amides and substituted phenols, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day), and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic component selected from polyamides, non-polymeric amides and substituted phenols, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic component selected from polyamides, non-polymeric amides and substituted phenols, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day) and not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer, said composition being capable of scavenging oxygen through the metal promoted oxidation of an oxidizable organic component selected from polyamides, non-polymeric amides and substituted phenols, the metal oxidation promoter being selected from the transition metals in positive oxidation states and mixtures thereof, such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day) and not more than three-quarters of that which it would have in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.

A wall for a package, which wall comprises, or includes a layer comprising, a composition which comprises a polymer which is formally a condensation polymer of one or more phthalic acids with one or more compounds containing at least two alcoholic hydroxy groups per molecule, polypropylene or polyethylene, an oxidizable polyamide component, and cobalt, copper or rhodium, said layer being capable of scavenging oxygen through oxidation of said oxidizable polyamide component promoted by the metal such that the permeance of the wall for oxygen is not more than 10.0 cm.sup.3 /(m.sup.2 atm day) and not more than three quarters of that which would have been in the absence of oxygen-scavenging properties, and wherein the metal level is such that said permeance has been achieved within 30 days of the wall being fabricated.