FILTER FOR SELECTIVE REMOVAL OF A GASEOUS COMPONENT
A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can remove gaseous components such as ald...
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| creator | PAINE, JOHN, B., III KOLLER, KENT, B WRENN, SUSAN, E HOUCK, WILLIE, G., JR |
| description | A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can remove gaseous components such as aldehydes from tobacco smoke. Preferred functional groups are 3-aminopropylsilyl groups covalently bonded to silica gel (APS silica gel). The reagent can be contained in a space in the filter or incorporated in one or more filter elements such as tipping paper, shaped paper insert, mouthpiece plug, solid filter element, or free-flow filter element. The reagent can be part of or coated on paper such as tipping or filter paper or incorporated in non-paper filter elements formed from fibrous materials such as cellulose acetate or polypropylene fibers. |
| format | Patent |
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The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can remove gaseous components such as aldehydes from tobacco smoke. Preferred functional groups are 3-aminopropylsilyl groups covalently bonded to silica gel (APS silica gel). The reagent can be contained in a space in the filter or incorporated in one or more filter elements such as tipping paper, shaped paper insert, mouthpiece plug, solid filter element, or free-flow filter element. The reagent can be part of or coated on paper such as tipping or filter paper or incorporated in non-paper filter elements formed from fibrous materials such as cellulose acetate or polypropylene fibers.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CIGARETTES ; CIGARS ; HUMAN NECESSITIES ; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES ; MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING ; MOUTHPIECES FOR CIGARS OR CIGARETTES ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; SMOKERS' REQUISITES ; SNUFF ; THEIR RELEVANT APPARATUS ; TOBACCO ; TOBACCO SMOKE FILTERS ; TRANSPORTING</subject><creationdate>2001</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=20010822&DB=EPODOC&CC=EP&NR=1124450A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010822&DB=EPODOC&CC=EP&NR=1124450A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PAINE, JOHN, B., III</creatorcontrib><creatorcontrib>KOLLER, KENT, B</creatorcontrib><creatorcontrib>WRENN, SUSAN, E</creatorcontrib><creatorcontrib>HOUCK, WILLIE, G., JR</creatorcontrib><title>FILTER FOR SELECTIVE REMOVAL OF A GASEOUS COMPONENT</title><description>A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. 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The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can remove gaseous components such as aldehydes from tobacco smoke. Preferred functional groups are 3-aminopropylsilyl groups covalently bonded to silica gel (APS silica gel). The reagent can be contained in a space in the filter or incorporated in one or more filter elements such as tipping paper, shaped paper insert, mouthpiece plug, solid filter element, or free-flow filter element. The reagent can be part of or coated on paper such as tipping or filter paper or incorporated in non-paper filter elements formed from fibrous materials such as cellulose acetate or polypropylene fibers.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CIGARETTES CIGARS HUMAN NECESSITIES MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING MOUTHPIECES FOR CIGARS OR CIGARETTES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SMOKERS' REQUISITES SNUFF THEIR RELEVANT APPARATUS TOBACCO TOBACCO SMOKE FILTERS TRANSPORTING |
| title | FILTER FOR SELECTIVE REMOVAL OF A GASEOUS COMPONENT |
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