Polyvinyl alcohol copolymer film for packaging liquid products and having an improved shelf-life

Generally speaking, the present invention is a water-soluble copolymer film comprising a hydrolyzed copolymer of vinyl acetate and a second monomer, the resultant polyvinyl alcohol copolymer having a degree of hydrolysis, expressed as a percentage of vinyl acetate units converted to vinyl alcohol un...

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Bibliographische Detailangaben
1. Verfasser:	VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY COMPOSITIONS BASED THEREON 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 DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM HANDLING THIN OR FILAMENTARY MATERIAL MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF SINGLE SUBSTANCES AS DETERGENTS
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