Multilayer plastic container and method of storing lyophilized products

A multilayer plastic container for storing lyophilized products includes at least three layers consisting of inner and outer layers having a moisture vapor transmission rate of not more than 0.1 gm mil/100 sq. in.-day at 73° F. and 95% rh, and an intermediate layer of hygroscopic resin construction...

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Bibliographische Detailangaben
1. Verfasser:	GRIMM MICHAEL J
Format:	Patent
Sprache:	eng
Schlagworte:	BABY COMFORTERS CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR RECEIVING SPITTLE DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A multilayer plastic container for storing lyophilized products includes at least three layers consisting of inner and outer layers having a moisture vapor transmission rate of not more than 0.1 gm mil/100 sq. in.-day at 73° F. and 95% rh, and an intermediate layer of hygroscopic resin construction having a moisture content less than 1000 ppm. The hygroscopic intermediate layer preferably comprises at least 30% of the total thickness of the three layers. The inner and outer layers preferably are of cyclic olefin polymer or cyclic olefin copolymer construction, and the hygroscopic intermediate layer preferably is of amorphous nylon construction. The container preferably is empty and sealed within a secondary container, such as a metallized bag, that is impervious to moisture.