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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| creator | VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A |
| description | 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 units, of from about 90% to 100%. The second monomer is preferably selected from the group of monomers having carboxylate functionality or sulfonate functionality. The resulting water-soluble copolymer film is disclosed for use in making pouches to contain a unit dose of liquid detergent, such as a liquid laundry detergent. However, it is an aspect of the copolymer film that film solubility is not significantly affected adversely by the detergent. Such film produces pouches having a greater storage shelf-life over prior art water-soluble film. |
| format | Patent |
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The second monomer is preferably selected from the group of monomers having carboxylate functionality or sulfonate functionality. The resulting water-soluble copolymer film is disclosed for use in making pouches to contain a unit dose of liquid detergent, such as a liquid laundry detergent. However, it is an aspect of the copolymer film that film solubility is not significantly affected adversely by the detergent. Such film produces pouches having a greater storage shelf-life over prior art water-soluble film.</description><language>eng</language><subject>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</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060510&DB=EPODOC&CC=CN&NR=1771319A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060510&DB=EPODOC&CC=CN&NR=1771319A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A</creatorcontrib><title>Polyvinyl alcohol copolymer film for packaging liquid products and having an improved shelf-life</title><description>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 units, of from about 90% to 100%. The second monomer is preferably selected from the group of monomers having carboxylate functionality or sulfonate functionality. The resulting water-soluble copolymer film is disclosed for use in making pouches to contain a unit dose of liquid detergent, such as a liquid laundry detergent. However, it is an aspect of the copolymer film that film solubility is not significantly affected adversely by the detergent. Such film produces pouches having a greater storage shelf-life over prior art water-soluble film.</description><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR</subject><subject>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</subject><subject>CANDLES</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS</subject><subject>CONVEYING</subject><subject>DETERGENT COMPOSITIONS</subject><subject>DETERGENTS</subject><subject>FATTY ACIDS THEREFROM</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PACKAGES</subject><subject>PACKAGING ELEMENTS</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>RECOVERY OF GLYCEROL</subject><subject>RESIN SOAPS</subject><subject>SOAP OR SOAP-MAKING</subject><subject>STORING</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>USE OF SINGLE SUBSTANCES AS DETERGENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjDEOgkAQRWksjHoG5wIUhIJYGqKxMhb2ONmdhQmzOysLJNxeTOytXvLfz9tmr4fKMnNYBFCMdipgNK6bpwEciwenA0Q0PbYcWhB-T2whDmonMybAYKHD-aswAPtVzGQhdSQuF3a0zzYOJdHhx112vF6e9S2nqA2ltUyBxqa-F1VVlMXpXP5_fAAc1jzj</recordid><startdate>20060510</startdate><enddate>20060510</enddate><creator>VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A</creator><scope>EVB</scope></search><sort><creationdate>20060510</creationdate><title>Polyvinyl alcohol copolymer film for packaging liquid products and having an improved shelf-life</title><author>VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1771319A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><topic>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR</topic><topic>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</topic><topic>CANDLES</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS</topic><topic>CONVEYING</topic><topic>DETERGENT COMPOSITIONS</topic><topic>DETERGENTS</topic><topic>FATTY ACIDS THEREFROM</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PACKAGES</topic><topic>PACKAGING ELEMENTS</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>RECOVERY OF GLYCEROL</topic><topic>RESIN SOAPS</topic><topic>SOAP OR SOAP-MAKING</topic><topic>STORING</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>USE OF SINGLE SUBSTANCES AS DETERGENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>VERRALL ANDREW P.,BENING SCOTT P.,KUGLER KAREN A</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Polyvinyl alcohol copolymer film for packaging liquid products and having an improved shelf-life</title><date>2006-05-10</date><risdate>2006</risdate><abstract>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 units, of from about 90% to 100%. 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| subjects | 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 |
| title | Polyvinyl alcohol copolymer film for packaging liquid products and having an improved shelf-life |
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