Scavenging oxygen

A container (22) or a closure (40) includes a material comprising a hydrogen generating means, for example in the form of a hydride embedded in a polymerivc matrix. When vapor contacts the hydride, as a result the hydride produces molecular hydrogen which combines with oxygen which may have entered...

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Bibliographische Detailangaben
Hauptverfasser:	TATTUM STEVEN BURGESS, VALUS RONALD J, RULE MARK
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL STORING THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Beschreibung
Zusammenfassung:	A container (22) or a closure (40) includes a material comprising a hydrogen generating means, for example in the form of a hydride embedded in a polymerivc matrix. When vapor contacts the hydride, as a result the hydride produces molecular hydrogen which combines with oxygen which may have entered the container through its permeable walls. A reaction between the hydrogen and oxygen takes place, catalysed by a catalyst, and water is produced. Thus, oxygen which may ingress the container is scavenged and the contents of the container are protected from oxidation.