Filter Paper for Cigarette Filters and Filter Comprising It
The object of the invention is a filter paper characterized in that it includes between 70% and 100% by weight of cellulose fibers, wherein between 50% and 75% by weight of the fibers are long fibers, understanding by this fibers that have an average length greater than 2 mm, and between 25% and 50%...
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| creator | Tosas Fuentes, Agustín De Mariscal Ruigómez, Pablo Ferreró Aragonés, Mónica Alemany Munné, Marcel |
| description | The object of the invention is a filter paper characterized in that it includes between 70% and 100% by weight of cellulose fibers, wherein between 50% and 75% by weight of the fibers are long fibers, understanding by this fibers that have an average length greater than 2 mm, and between 25% and 50% by weight of the fibers are short fibers, understanding by this fibers that have an average length of less than 2 mm; between 0.1% and 5.0% by weight of sodium carboxymethyl cellulose; and wherein the weight of the filter paper per unit area is between 25 and 55 g/m2, measured according to UNE-EN ISO 536:2013 standard; the density thereof varies between 0.100 and 0.500 g/cm3, measured according to UNE-EN ISO 534:2012 standard in a single sheet; and the porosity of the filter paper is between 1500 and 8500 ml/min·cm2·kPa, measured according to UNE-EN ISO 2965:2019 standard. The paper filter including said filter paper is also an object of the invention. |
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The paper filter including said filter paper is also an object of the invention.</description><language>eng</language><subject>CIGARETTES ; CIGARS ; HUMAN NECESSITIES ; IMPREGNATING OR COATING OF PAPER ; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES ; MOUTHPIECES FOR CIGARS OR CIGARETTES ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PULP COMPOSITIONS ; SMOKERS' REQUISITES ; TEXTILES ; TOBACCO ; TOBACCO SMOKE FILTERS ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><creationdate>2024</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=20240125&DB=EPODOC&CC=US&NR=2024026609A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240125&DB=EPODOC&CC=US&NR=2024026609A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Tosas Fuentes, Agustín</creatorcontrib><creatorcontrib>De Mariscal Ruigómez, Pablo</creatorcontrib><creatorcontrib>Ferreró Aragonés, Mónica</creatorcontrib><creatorcontrib>Alemany Munné, Marcel</creatorcontrib><title>Filter Paper for Cigarette Filters and Filter Comprising It</title><description>The object of the invention is a filter paper characterized in that it includes between 70% and 100% by weight of cellulose fibers, wherein between 50% and 75% by weight of the fibers are long fibers, understanding by this fibers that have an average length greater than 2 mm, and between 25% and 50% by weight of the fibers are short fibers, understanding by this fibers that have an average length of less than 2 mm; between 0.1% and 5.0% by weight of sodium carboxymethyl cellulose; and wherein the weight of the filter paper per unit area is between 25 and 55 g/m2, measured according to UNE-EN ISO 536:2013 standard; the density thereof varies between 0.100 and 0.500 g/cm3, measured according to UNE-EN ISO 534:2012 standard in a single sheet; and the porosity of the filter paper is between 1500 and 8500 ml/min·cm2·kPa, measured according to UNE-EN ISO 2965:2019 standard. 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The paper filter including said filter paper is also an object of the invention.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CIGARETTES CIGARS HUMAN NECESSITIES IMPREGNATING OR COATING OF PAPER MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MOUTHPIECES FOR CIGARS OR CIGARETTES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SMOKERS' REQUISITES TEXTILES TOBACCO TOBACCO SMOKE FILTERS TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | Filter Paper for Cigarette Filters and Filter Comprising It |
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