| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
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| 05/13/2009 | CN201234543Y Multi-layer bombax malabaricum cigarette holder with smoke filter |
| 05/12/2009 | CA2574567C Flavoring a cigarette by using a flavored filter plug wrap |
| 05/12/2009 | CA2573030C Cigarette filter and cigarette provided with the same |
| 05/06/2009 | CN101426385A Method and device for making tobacco smoke filters |
| 05/06/2009 | CN101422281A Cellulose acetate tow and method of making same |
| 05/06/2009 | CN101422280A Bind-hole filter stick processing machine |
| 04/30/2009 | WO2009004490A3 Smoking article filter having liquid additive containing tubes therein |
| 04/30/2009 | WO2009004489A3 Improved smoking article |
| 04/30/2009 | WO2008110934A3 Smoking article filter with annular restrictor and downstream ventilation |
| 04/29/2009 | CN201229261Y Light cylinder rigid gripping device |
| 04/29/2009 | CN201229260Y Light cylinder flexible gripping device |
| 04/29/2009 | CN201226780Y Multi-level cigarette filter |
| 04/29/2009 | CN201226779Y Automatic balancing machine of strand |
| 04/29/2009 | CN101420875A Cigarette filter using bamboo activated carbon |
| 04/28/2009 | CA2387487C High-performance cigarette filter |
| 04/22/2009 | EP2048978A2 Smoking article with single piece restrictor and chamber |
| 04/22/2009 | EP2048977A2 Smoking articles enhanced to deliver additives incorporated within electrospun microfibers and nanofibers, and related methods |
| 04/22/2009 | CN201225901Y Multifunctional test bench for checking cigarette filter stick object |
| 04/22/2009 | CN201222975Y Cigarette holders and filter |
| 04/22/2009 | CN101411545A Use of cellulose acetate made from dissolving pulp of hemp as raw material in preparing acetate silk bind for cigarette |
| 04/22/2009 | CN100479912C Application of aluminosilicate hydrate and filter with aluminosilicate hydrate |
| 04/22/2009 | CN100479681C Cigarette filter tip additive carrier |
| 04/16/2009 | WO2008146161A8 Filter including electrostatically charged fiber material |
| 04/16/2009 | WO2008073212A3 Acetoacetate polymer coated aldehyde removal filter |
| 04/16/2009 | DE102008014587A1 Rauchlose Zigarette und Verfahren zu ihrer Herstellung A smokeless cigarette, and processes for their preparation |
| 04/15/2009 | EP2046154A1 Equipment and associated method for insertion of material into cigarette filters |
| 04/15/2009 | EP2046153A2 Filtered cigarette possessing tipping material |
| 04/15/2009 | CN201219483Y Cigarette filter |
| 04/15/2009 | CN201219482Y Perfuming machine of filter stick forming machine |
| 04/15/2009 | CN101410029A Method of treating tobacco mainstream smoke and smoking tool |
| 04/15/2009 | CN101410028A Method of preparing a rod for use in the preparation of a smoking article |
| 04/15/2009 | CN101408014A Acetate fiber coating paper and paper filter stick for preparing cigarette filter stick and preparing method thereof |
| 04/15/2009 | CN101408012A Paper and filter stick of paper filter stick for reducing phenols material in cigarette smoke and preparing method thereof |
| 04/14/2009 | CA2552156C Filter rod making machine |
| 04/09/2009 | WO2008150787A3 Filtered smoking article |
| 04/08/2009 | EP2043465A2 Smoking article with impaction filter segment |
| 04/08/2009 | EP2043464A2 Smoking article with plate impactor |
| 04/08/2009 | CN101402773A Latex solution for producing lignin nonwoven cloth for cigarette |
| 04/08/2009 | CN100475066C Tobacco smoke filter |
| 04/02/2009 | WO2008152526A3 Smoking article with controlled flavor release |
| 04/02/2009 | US20090084392 Smoking article |
| 04/01/2009 | EP2042635A1 Cellulose granules for carrying drug |
| 04/01/2009 | CN201213441Y Cigarette capable of automatically adjusting flue-gas concentration and tar, nicotine release amount by smoker |
| 04/01/2009 | CN101396173A Cigarette vortex temperature-reduction fragrance-protecting method and cigarette structure thereof |
| 04/01/2009 | CN101396172A Method of accurate control for removing filter-stick of high-speed filter-stick forming device |
| 04/01/2009 | CN101396171A Mint filter rod wire traction machine |
| 04/01/2009 | CN101396170A Modified absorbing material granules and preparation method and made cigarette composite tip |
| 04/01/2009 | CN100473297C Filter for smoking |
| 03/31/2009 | US7509961 Cigarettes and cigarette components containing nanostructured fibril materials |
| 03/26/2009 | WO2009037461A2 Tobacco smoke filter |
| 03/25/2009 | CN201210857Y Circular cross-section chelating carbon fiber core layer inserted into cigarette filter tip |
| 03/25/2009 | CN101394760A Deflecting device, machine comprising such a deflecting device, and method for conveying and deflecting at least one continuous filter tow |
| 03/25/2009 | CN101390658A Cigarette composite tip containing plant saponin extract |
| 03/25/2009 | CN101390657A Cigarette filter tip rod capable of sustained releasing mint and production technique thereof |
| 03/19/2009 | WO2009034232A1 Preparation and a component intended to be added to a tobacco product |
| 03/19/2009 | WO2009010380A3 Filter |
| 03/19/2009 | WO2009000453A3 Method for the production of tobacco smoke filters |
| 03/19/2009 | WO2008110929A3 Smoking article with open ended filter and restrictor |
| 03/19/2009 | US20090071489 In situ synthesis of composite nanoscale particles |
| 03/19/2009 | CA2704129A1 Preparation and component intended to be added to a tobacco product |
| 03/18/2009 | CN101385574A Composite environment protection cigarettes tar absorbent |
| 03/17/2009 | US7503960 Cigarette filter comprising at least one porous body of interbonded activated carbon fibers disposed in a filter portion; capable of reducing acetaldehyde, hydrogen cyanide, isoprene, methanol and propylene from mainstream tobacco smoke relative to total particulate matter in the smoke |
| 03/12/2009 | WO2009031248A1 Composition containing amino compound and silica gel, and tobacco filter |
| 03/12/2009 | WO2009031246A1 Tobacco filter material and tobacco filter |
| 03/11/2009 | EP2033531A1 Smoking article with variable ventilation |
| 03/11/2009 | CN201204925Y Wet cigarette filter tip |
| 03/11/2009 | CN101384185A Improvements relating to smoking articles and filter therefor |
| 03/11/2009 | CN101380139A Method for improving smell of cigarette |
| 03/05/2009 | US20090056729 Smoking article and smoking article filter |
| 03/04/2009 | EP2029464A1 Devices and methods for conveying fibers |
| 03/04/2009 | CN201199913Y Hollow cigarette with filtering holder |
| 03/04/2009 | CN201199912Y Cigarette |
| 03/03/2009 | CA2484064C Improvements relating to smoking articles and smokable filler materials therefor |
| 02/26/2009 | WO2009024866A2 Multi-component filter for a smoking article |
| 02/26/2009 | US20090050557 High-bond strength silicon and a method for the production and use thereof |
| 02/26/2009 | US20090050168 Cigarette filter |
| 02/25/2009 | EP2027017A2 Applicator wheel for filling cavities with metered amounts of particulate material |
| 02/25/2009 | EP2026670A1 Method of producing a rod in the tobacco-processing industry, and rod-making machine |
| 02/25/2009 | EP2026669A1 Method of operating a rod-making machine and rod-making machine |
| 02/25/2009 | EP2026668A1 Method of producing a rod in the tobacco-processing industry, and rod-making machine |
| 02/25/2009 | EP1968404B1 Smoking articles with activated carbon and sodium bicarbonate-treated fibers and method of treating mainstream smoke |
| 02/19/2009 | WO2008015573A8 Smoking articles enhanced to deliver additives incorporated within electrospun microfibers and nanofibers, and related methods |
| 02/19/2009 | US20090044816 Smoking article having carbon dioxide delivery technology for sensorially improved carbon filtration and method of smoking |
| 02/18/2009 | EP2025251A1 Multi-component filter for a smoking article |
| 02/18/2009 | EP2023751A2 Double action filter assembly wheel with flipping wheel |
| 02/18/2009 | CN201194544Y High-concentration negative ion cigarette holder |
| 02/18/2009 | CN101366551A Molecular engram material selectively removing TSNA in cigarette flue gas, preparation and application method thereof |
| 02/17/2009 | US7491675 decomposition of the copper 2,4-pentanedionate to form copper and/or copper oxide nanoparticles, then mixing with cerai particles, to form catalysts used for oxidation of carbon monoxide, the reduction of nitric oxide and the conversion of hydrocarbons; catalytic exhaust systems |
| 02/12/2009 | WO2009019154A1 Filter and method for making a filter for a cigarette |
| 02/12/2009 | WO2008154539A3 Apparatus for inserting objects into a filter component of a smoking article, and associated method |
| 02/12/2009 | US20090038632 Porous Carbon Materials and Smoking Articles and Smoke Filters Therefor Incorporating Such Materials |
| 02/12/2009 | US20090038629 Flavor sheet for smoking article |
| 02/12/2009 | CA2694141A1 Filter and method for making a filter for a cigarette |
| 02/11/2009 | EP2022351A2 An apparatus for processing at least one strip of filters material in the tobacco industry |
| 02/11/2009 | EP1921932B1 System for sensing cigarette filters and method therefor |
| 02/11/2009 | CN101361593A Pure traditional Chinese medicine granule capable of eliminating smoke pollution |
| 02/11/2009 | CN101361592A An apparatus for processing at least one strip of filters material in the tobacco industry |
| 02/11/2009 | CN101361591A Manufacturing device and method for coloring the center of cigarette filter stick |
| 02/11/2009 | CN100459894C Cigarette filter |
| 02/10/2009 | US7487782 Cigarette filter |