Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806)
09/2002
09/12/2002WO2002069745A1 Cigarette and filter with downstream flavor addition
09/12/2002DE10105010A1 Verfahren und Einrichtung zur Herstellung von Mehrfachfiltern Method and apparatus for producing composite filters
09/11/2002EP1238594A2 Tobacco smoke filter and relative composition made of antioxidant and mineral substances
09/11/2002CN2509882Y Super-long filter-tip health-care cigarette
08/2002
08/29/2002US20020119874 Method and arrangement for producing compound filters
08/29/2002US20020119873 Machine for making filter mouthpieces for rod-shaped smokers' products
08/29/2002US20020117180 Glutathione, green tea, grape seed extract to neutralize tobacco free radicals
08/29/2002US20020116910 For production of homogeneous web of polymeric fibers wherein at least some of the fibers in the web have different characteristics from other fibers in the web; filters for medical use, cigarettes
08/28/2002EP1041899B1 Use of polyphenol compounds or their derivatives as scavengers of free radicals in cigarette filters
08/21/2002CN1364650A Curved filter
08/15/2002WO2002000044A3 Device for reducing the content of harmful substances in tobacco smoke
08/14/2002EP1230863A2 Porous element
08/07/2002EP1228709A1 Method and apparatus for manufacturing multiple component filters
08/07/2002CN1088573C Cigarette
08/01/2002DE10105012A1 Überführungsmittel für Maschinen zur Herstellung von Filtern für Produkte der tabakverarbeitenden Industrie Transfer means for machines for the manufacture of filters for products of the tobacco industry
08/01/2002DE10105011A1 Verfahren und Einrichtung zur Herstellung von Mehrfachfiltern Method and apparatus for producing composite filters
07/2002
07/31/2002EP1226766A2 Transfer means for machines for manufacturing filters for tobacco industry products
07/31/2002EP1226765A2 Method and apparatus for manufacturing multiple compartment filters
07/25/2002WO2002056715A1 Structure of cigarette filter part
07/25/2002US20020096300 A biodegradation promoting agent contained in cellulose acetate including a compound selected from the group consisting of a phosphate, an ester of a phosphate or carbonic acid or a salt; quality; odorless; wastes; disposal
07/24/2002EP1223821A1 Filter element
07/24/2002EP1028637B1 Cigarette with reduced gas phase
07/24/2002CN2501323Y Cigarette with superlong filter tip
07/23/2002US6422244 Filter for a cigarette and filter cigarette
07/17/2002EP1222865A1 Element for cigarette smoke and process for producing the same
07/17/2002EP1221869A1 High performance cigarette filter
07/11/2002WO2002009646A3 Plant derived antioxidants
07/11/2002WO2000049901A3 Smokable product
07/11/2002US20020088479 Pneumatic conveyor including section provided with openings establishing communication between portion of path and collecting chamber and means for propelling into chamber by way of openings solid particles separated from filters
07/09/2002US6415798 Antioxidants to neutralize tobacco free radicals
07/09/2002US6415474 Apparatus for transferring filter rods containing pulverulent, granular and analogous ingredients
07/05/2002CA2330782A1 An effective filtering device for removing hazardous chemicals in tobacco smoke
07/03/2002EP1218869A1 Method for the production of packaging by enveloping a good to be packaged
07/03/2002EP1218274A1 Plug combiner inspection system and method
07/03/2002CN2497556Y Filter tip of cigarette
07/03/2002CN1356072A Tip filter of cigarette for reducing harmful component in smoke fume
07/03/2002CN1356071A Amendment with different tastes and styles for tip filter of cigarette and its preparing process
06/2002
06/20/2002WO2002047498A1 A smoking article including a filter for selectively removing carbonyls
06/20/2002US20020074010 Cigarette sidestream smoke and free-burn rate control device
06/20/2002US20020074009 Cigarette filter with scavenging effect on free radicals in cigarette smoke and its preparation method
06/19/2002EP1213977A1 Filtering method and filter consisting of nitrogen-containing cycles or heterocyles such as dna or rna designed in particular for filtering tobacco smoke and cigarette containing such a filter
06/19/2002CN2495128Y Combination pipe double filter cigarette
06/19/2002CN1354630A Ventilated filter cigarette
06/19/2002CN1354629A Smokers' article
06/13/2002WO2002045531A1 Smoking product comprising a tobacco filter with a hollow mouthpiece
06/13/2002DE10060234A1 Rauchprodukt mit Hohlmundstück-Tabakfilter Smoking product with hollow mouthpiece tobacco filter
06/12/2002EP1163857A4 Smokers' article
06/12/2002CN2494607Y Cigarette filter tip
06/06/2002WO2002043514A1 A smoking article including a selective carbon monoxide pump
06/05/2002CN1352531A Filter cigarette with a tobacco filter
05/2002
05/30/2002WO2002042366A1 Process for producing an open celled foam
05/30/2002WO2000057734A8 Smokers' article
05/30/2002US20020062833 Cigarette filters of shaped micro cavity fibers impregnated with flavorant materials
05/29/2002CN1085516C Preparation of filter tip material for cigarette
05/29/2002CN1085515C Tip filter for cigarette made of tea
05/22/2002CN2492088Y High-efficiency cigarette filter-tip
05/22/2002CN2492087Y Cigarette with sponge filter-tip
05/22/2002CN1349773A Cigarette cable of filtering out most tar
05/16/2002WO2002037990A2 Method and product for removing carcinogens from tobacco smoke
05/16/2002US20020056463 Filter cigarette with a tobacco filter
05/15/2002CN2490843Y Filter-tip having combined filter core layer
05/15/2002CN2490842Y Rod for eliminating anxiety
05/15/2002CN1348725A Filter tip capable of eliminating free radical in cigarette fume and its making process
05/09/2002US20020053350 Filter-tipped cigarette
05/08/2002DE10053359A1 Cellulose fiber or film production with neutral adsorbent properties, for use e.g. in air filters, involves wet-spinning solution in aqueous tert. amine oxide containing cellulose and finely-divided neutral adsorber
05/08/2002CN1347670A Cigarette filter tip densifier
05/01/2002CN1347286A 卷烟过滤器 Cigarette Filters
04/2002
04/30/2002CA2234795C Filter cigarette
04/25/2002WO2002032239A1 A cigarette filter with scavenging effect on free radicals in cigarette smoke and its preparation method
04/25/2002WO2002032238A2 Highly compressed filter tow bales
04/24/2002CN1345555A Color changing method for cigarette filter tip
04/18/2002WO2001058565A3 Method and device for continuous compression of a moved flow of filter material
04/17/2002EP1197746A1 Method and apparatus for measuring the triacetin content in filter rods
04/17/2002CN2485971Y Ternary compound filter tip
04/16/2002US6371128 Holder for compressing a filter of a cigarette
04/16/2002US6371127 Cigarette sidestream smoke and free-burn rate control device
04/16/2002US6371125 Apparatus for transferring filter rods containing pulverulent, granular and analogous ingredients
04/10/2002CN2484751Y Filter tip for cigarette
04/10/2002CN2484750Y Multilayer filter-tipped cigarette
04/03/2002CN2483959Y Cigarette filter-tip
04/03/2002CN1343267A Biodegradable cellulose acetate constructions and tobacco filter
03/2002
03/21/2002WO2002021948A1 Tobacco smoke filter
03/14/2002DE10044138A1 Flow fluctuation compensation method for filters of cigarettes involve supplying filters from first transfer unit to second transfer unit and vice versa in two production lines
03/13/2002CN1339276A Multilayer cigarette filter tip containing plant active matter
03/13/2002CN1080549C Method for producing reduced cigarette tar and free-redical contents
03/07/2002WO2002017738A1 Filter manufacturing machine
03/06/2002EP1182940A1 Ventilated filter cigarette
03/06/2002CN1338902A Smoking products containing antioxidants
02/2002
02/27/2002EP1180946A1 Filter cigarette with a tobacco filter
02/27/2002EP0737038B1 Bicomponent fibers and tobacco filters formed therefrom
02/27/2002CN2478373Y High-efficient tar-reducing filter tip
02/21/2002US20020020420 High efficiency cigarette filters having shaped microcavity fibers impregnated with adsorbent or absorbent materials
02/20/2002CN2476972Y Filter-tip able to absorb oxygen radical from smoke of cigarette
02/20/2002CN2476971Y Slot filter-tip rod
02/13/2002EP1178741A2 Smokable product
02/12/2002US6345625 Filter for secondary smoke and smoking articles incorporating the same
02/07/2002WO2002009646A2 Plant derived antioxidants
02/07/2002US20020014453 Filtering unsaturated hydrocarbons using intermetallic nano-clusters
02/07/2002DE10110364A1 Cigarette filter incorporates three chambers containing sieve, rebound-walls, cross-sectional constrictions and chamber floor-opening
02/06/2002CN2475295Y Filter tip for cigarette
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