Antimicrobial films, sponges and sponge cloths

Antimicrobial film based on biopolymers or textile material, or antimicrobial sponge or antimicrobial sponge cloth based on regenerated or precipitated cellulose, is claimed. The film or the sponge cloth is impregnated or coated with at least one alpha -amino acid ester, whose alpha -amino group is...

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Bibliographische Detailangaben
Hauptverfasser:	POHL, MATTHIAS, HAMMER, KLAUS-DIETER, LUTZ, WALTER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES BUTCHERING CHEMICAL RIPENING OF FRUIT OR VEGETABLES COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FISHING FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J FORESTRY FURNITURE HUMAN NECESSITIES HUNTING LAUNDERING MEAT TREATMENT PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS PROCESSING MEAT, POULTRY, OR FISH PROCESSING POULTRY OR FISH SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR SPICE MILLS SUCTION CLEANERS IN GENERAL TEXTILES THE PRESERVED, RIPENED, OR CANNED PRODUCTS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TOILET ACCESSORIES TRAPPING TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	Antimicrobial film based on biopolymers or textile material, or antimicrobial sponge or antimicrobial sponge cloth based on regenerated or precipitated cellulose, is claimed. The film or the sponge cloth is impregnated or coated with at least one alpha -amino acid ester, whose alpha -amino group is acylated with a fatty acid or its hydrochloride. The alpha -amino acid ester is covalently bonded to the film, sponge or the sponge cloth. An independent claim is also included for producing the film, sponge or the sponge cloth, comprising treating the film, sponge or the sponge cloth with a solution of at least one N-acyl-alpha -amino acid ester-hydrochloride, where the solution comprises a solvent comprising water and/or mono- or polyhydric alcohol, preferably ethanol, propanediol, polyethylene glycol or glycerin, and an agent that forms a covalent bond between the N-acyl-alpha -amino acid ester-hydrochloride and the film, sponge or the sponge cloth, and the treatment is preferably carried out by spraying the solution, immersing the film in an impregnation bath containing the solution, or applying the solution using a rolling mill application.