| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
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| 10/27/2004 | EP1470761A1 Smoking filter and smoking article |
| 10/27/2004 | EP1470760A1 Cigarette and cigarette filter |
| 10/27/2004 | CN2650519Y Corrugated paper and acetate fiber composite filtering bars |
| 10/21/2004 | WO2004089124A1 On line formation of recessed cigarette filter |
| 10/21/2004 | WO2004063455A8 Ethoxylated alkylnphosphate esters as plugmaker processing aids |
| 10/20/2004 | CN2649324Y Corrugating filter tip stick paper for cigarette |
| 10/20/2004 | CN1538816A Filter for cigarette |
| 10/20/2004 | CN1538815A Filter for cigarette |
| 10/14/2004 | WO2004087309A1 Activated carbon-containing sorbent |
| 10/14/2004 | WO2004086888A2 Filters including segmented monolithic sorbent for gas-phase filtration |
| 10/14/2004 | WO2004043174A3 Filter element |
| 10/14/2004 | US20040200491 On line formation of recessed cigarette filter |
| 10/14/2004 | US20040200490 Cigarette filter and filter-tipped cigarette |
| 10/14/2004 | DE202004007772U1 Tobacco sleeve for filling with loose, cut, fermented tobacco or with a tobacco insert is made of a burnable leaf material consisting in parts of tobacco |
| 10/13/2004 | CN2647074Y Efficient cigarette mouthpiece bar and efficient cigarette |
| 10/13/2004 | CN1535630A Method and device for making filter tip bar |
| 10/13/2004 | CN1535629A Shredded coconut and boehmeria nive pure natural plant fibre filter tip and its production method |
| 10/13/2004 | CN1535628A Method and device of making nonwoven fabrics for producing filtering bar |
| 10/07/2004 | WO2004052520A3 Nanocomposite copper-ceria catalysts for low temperature or near-ambient temperature catalysis and methods for making such catalysts |
| 10/07/2004 | US20040194792 Activated carbon-containing sorbent |
| 10/06/2004 | EP1464241A1 Method for producing a fabric for the production of filters of the tobacco industry and apparatus for the production of a filter rod |
| 10/06/2004 | EP1464240A1 Method and apparatus for producing a fabric for the production of a filter rod |
| 10/06/2004 | EP1464239A1 Method and apparatus for the production of a filter rod |
| 10/06/2004 | EP1464238A1 Method and apparatus for the preparation of separated fibers for use in the production of filters |
| 10/06/2004 | EP1463421A2 Device and system for measuring the properties of multi-segmented filters and corresponding method |
| 10/06/2004 | EP1276547A4 High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials |
| 09/30/2004 | US20040187881 Cigarette and filter with downstream flavor addition |
| 09/29/2004 | CN2643675Y Composite filter stick with launder |
| 09/28/2004 | US6796312 Process and apparatus for the removal of toxic components of tobacco smoke and the standardization of the health hazards related to those components |
| 09/23/2004 | WO2004080217A1 Electroprocessed phenolic materials and methods |
| 09/23/2004 | US20040182401 Cigarette filter |
| 09/23/2004 | US20040182400 Cigarette filter |
| 09/22/2004 | EP1458543A1 Continuous process for impregnating solid adsorbent particles into shaped micro-cavity fibers and fiber filters |
| 09/22/2004 | EP1458253A1 Ventilated smoking article |
| 09/22/2004 | CN2642061Y Device for feeding liquid and linear materials in acetate silk |
| 09/21/2004 | US6792953 Composed of cellulose fiber, sodium sulfate, chlorine water and copper containing porphyrin; full flavor passage; effi-cient toxins and mutagens removal; simple and inexpensive manufacturing; convenient to use |
| 09/21/2004 | CA2226685C Cigarette sidestream smoke and free-burn rate control device |
| 09/16/2004 | WO2004047571A3 Tobacco smoke filter |
| 09/16/2004 | US20040177855 Degradable slitted cigarette filter |
| 09/15/2004 | EP1455610A1 Filter, smoking articles containing the same, filter strands and methods and devices for producing filters and smoking articles of this type |
| 09/15/2004 | EP1455609A2 Method and compositions for imparting cooling effect to tobacco products |
| 09/15/2004 | EP1455608A1 Method and composition for mentholation of cigarettes |
| 09/15/2004 | CN2640261Y Novel cigarette filter-tip |
| 09/15/2004 | CN2640260Y Cigarette able to regulate nicotine sucking concentration |
| 09/15/2004 | CN1529632A Changing of hydrophilic/hydrophobic characteristics of natural organic substances in oxidation thermo-chemical drying course |
| 09/15/2004 | CN1528215A Cellulosic-cut automatic compensating device |
| 09/15/2004 | CN1528214A Attapulgus stone as cut tobacco additive and/or filter tip in to bacco industry |
| 09/15/2004 | CN1166324C Tip filter of cigarette for reducing harmful component in smoke and preparation method |
| 09/14/2004 | US6789548 Method of making a smoking composition |
| 09/14/2004 | US6789547 Carbon technology |
| 09/09/2004 | US20040173230 Cigarette sidestream smoke and free-burn rate control device |
| 09/09/2004 | US20040173227 Filter containing a metal phthalocyanine and a polycationic polymer |
| 09/02/2004 | WO2004074449A2 Filter containing a metal phthalocyanine and a polycationic polymer |
| 09/02/2004 | WO2004073427A1 Cigarette having porous heat transfer tube |
| 09/02/2004 | DE202004009017U1 Cigarette used as a self-extinguishing cigarette comprises a tobacco section, and a filter section with a burning ash-extinguishing unit which, when pressed, sprays out burning ash-extinguishing liquid |
| 09/01/2004 | CN1525823A Method for producing filter cigarettes |
| 08/31/2004 | US6783617 Method of densifying streams of filter material for tobacco smoke |
| 08/26/2004 | US20040167019 increasing hydrophobicity by heating the moisted substance while flowing an oxidizing medium over it to oxidized it and remove moisture and volatile substances, e.g., removing fats and oils from foods and binding of toxic metal ion pollutants |
| 08/25/2004 | CN2634837Y Cigarette filter tip containing cellulose particle |
| 08/25/2004 | CN1163163C Tobacco smoke filter for removing toxic compounds, tobacco products and preparation method |
| 08/24/2004 | US6779531 Smoking material |
| 08/24/2004 | US6779529 Cigarette filter |
| 08/24/2004 | US6779528 Cellulose acetate in acetone; pulling, extrusion; drying; applying vacuum; filering cigarette smoke |
| 08/19/2004 | WO2004068975A1 Transparent extraction filter cigarette |
| 08/19/2004 | WO2004037025A3 Smokers filter |
| 08/19/2004 | US20040159327 Cigarette having porous heat transfer tube |
| 08/19/2004 | CA2525128A1 Transparent extraction filter cigarette |
| 08/18/2004 | EP1175520B1 Method for producing highly adsorbent cellulosic forms |
| 08/17/2004 | US6776168 Disintegratable cigarette filter |
| 08/12/2004 | WO2004066761A1 Filter assembly for cigarette |
| 08/12/2004 | DE202004007863U1 Disposable mouthpiece for self rolled cigarettes has a cylinder with outer grip strip to secure onto cigarette paper |
| 08/11/2004 | CN2631987Y Elastic fibrous bars |
| 08/10/2004 | US6772768 Cigarette filters of shaped micro cavity fibers impregnated with flavorant materials |
| 08/05/2004 | US20040149295 Wear indicator for a roller |
| 08/04/2004 | EP1442667A1 Filter for cigarette and cigarette with filter |
| 08/04/2004 | EP1441606A1 Filter segments or filter for cigarettes and method for the production thereof |
| 08/04/2004 | EP1441605A1 Multisegment filter of the tobacco processing industry and method for the production thereof |
| 08/04/2004 | EP1441604A1 Device for wrapping groups of filter segments with a wrapping material for producing multi-segment filers of the tobacco industry and multi-segment filter production device |
| 08/04/2004 | EP1441603A2 Method and composition for mentholation of charcoal filtered cigarettes |
| 08/04/2004 | CN2629837Y Polypropylene filamenttow filter stick shaping and glue-spraying apparatus |
| 07/29/2004 | WO2004063455A1 Ethoxylated alkylnphosphate esters as plugmaker processing aids |
| 07/29/2004 | WO2004062396A2 Continuous process for retaining solid adsorbent particles on shaped micro-cavity fibers |
| 07/29/2004 | US20040147788 Stilbene derivatives and their use as aryl hydrocarbon receptor antagonistic ligands |
| 07/29/2004 | CA2509778A1 Ethoxylated alkylnphosphate esters as plugmaker processing aids |
| 07/28/2004 | CN1515199A Keniding nano charcoal flaovur filter tip |
| 07/27/2004 | US6766803 Method of manufacturing cigarettes containing gold or silver particles |
| 07/22/2004 | US20040139977 Degradable slitted cigarette filter |
| 07/22/2004 | DE19822775B4 Verfahren zur Herstellung gehärteter Filterstäbe in der Zigarettenindustrie A process for the preparation of cured filter rods in the cigarette industry |
| 07/21/2004 | CN1513390A Filter tip for lowering harmful matter in cigarette, and its prepn. method |
| 07/14/2004 | CN1512848A Filter tip assembly for cigartte and method for manufacturing the same |
| 07/14/2004 | CN1511483A Biological harm reducing cigarette filter tip |
| 07/13/2004 | US6761174 Cigarette and filter with downstream flavor addition |
| 07/08/2004 | WO2004056221A1 Process and apparatus for high-speed filling of composite cigarette filters |
| 07/08/2004 | US20040131790 Topically applied to cellulose acetate tow band; uniform, narrow width; reduced roll wrapping and long filament lint formation; consistant pressure drop |
| 07/08/2004 | US20040131770 Continuous process for retaining solid adsorbent particles on shaped micro-cavity fibers |
| 07/07/2004 | EP1434503A1 Activated charcoal filter for reducing p-benzosemiquinone from the mainstream cigarette smoke |
| 07/07/2004 | EP1265503A4 Cigarettes containing gold or silver particles and manufacturing methods of the cigarette filter |
| 07/07/2004 | CN2623040Y Truncation point type slot filter-tip rod |
| 07/07/2004 | CN2623039Y Device for putting granular materials in cellulose acetate thread |
| 07/07/2004 | CN2623038Y Drilling forming package paper for cigarette filter rod |