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| Number | Title | Issue Date |
| 8020566 | Apparatus for dispensing a metered amount of liquid to a porous plug A dispenser for dispensing a metered amount of liquid into a porous plug includes a casing which has an inlet passage adapted to receive a manually insertable porous plug. A reservoir disposed in the cavity contains the liquid. The reservoir has an outlet which is c... | 09/20/2011 |
| 7789088 | Cigarette filters including latex bonded nonwoven fabric A cigarette filter having a consolidated nonwoven fabric with an aqueous based polymer binder. The polymer binder comprises one or more polymer compositions and is stabilized by one or more high molecular weight protective colloids. While the binder may be utilized ... | 09/07/2010 |
| 7370657 | Activated carbon-containing sorbent An activated carbon-containing sorbent is capable of selectively removing one or more selected gaseous components from a gas. The activated carbon-containing sorbent can be incorporated in a smoking article to remove one or more selected components from mainstream s... | 05/13/2008 |
| 7243659 | Recess filter and smokeable article containing a recess filter The invention relates to a recess filter with a cavity associated with the mouth and provided with a cavity wall, in addition to one or more filter elements associated with the tobacco. The cavity wall surrounds either the cavity or the cavity and, at the most, one ... | 07/17/2007 |
| 7240678 | Filtered cigarette incorporating an adsorbent material A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or mo... | 07/10/2007 |
| 7237558 | Filtered cigarette incorporating an adsorbent material A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or mo... | 07/03/2007 |
| 7231923 | Smoking article including a catalytic smoke reformer A smoking article includes a tobacco rod in axial alignment with a filter section with a catalyst bed disposed between the tobacco rod and the filter section. The catalyst bed may be heated from an external portable heating source or may be heated by the internal ev... | 06/19/2007 |
| 7152609 | Catalyst to reduce carbon monoxide and nitric oxide from the mainstream smoke of a cigarette Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of a catalyst capable converting carbon monoxide to carbon dioxide and/or nitric oxide to nitrogen. Cut filler compositions comp... | 12/26/2006 |
| 7104265 | Filter containing a metal phthalocyanine and a polycationic polymer A tobacco smoke filter comprising one or more than one metal phthalocyanine, such as a copper phthalocyanine or an iron phthalocyanine, and further comprising one or more than one polycationic polymer. ... | 09/12/2006 |
| 7080649 | Cigarette holder A cigarett holder has a mouthpiece, a cotton filter, a main pipe, and a filter column. The mouthpiece has a distal periphery flange, a head portion, an inner tube having a through hole, and an enlarged hole communicating with the through hole. The main pipe has a fi... | 07/25/2006 |
| 7025067 | Activated charcoal filter for effectively reducing p-benzosemiquinone from the mainstream cigarette smoke A filter for tobacco smoke inhaling/generating/producing device, comprising stipulated amounts of specific grain sizes or combination of grain sizes of activated charcoal for effectively reducing from the mainstream smoke the level of p-benzosemiquinone (p-BSQ), a r... | 04/11/2006 |
| 7017586 | Cigarette A cigarette comprises a tobacco section including a columnar tobacco filler material and at least one cellulose-based wrapping paper sheet for wrapping the outer circumferential surface of the columnar tobacco filler material. The outermost wrapping paper sheet amon... | 03/28/2006 |
| 7014692 | Scrubber A scrubber for eliminating NO from air flowing through the scrubber, comprising a housing (1) having at least one inlet hole (2) and an outlet hole (4) and which is comprising filtering material (6). A second outlet hole (9) is pro... | 03/21/2006 |
| 6997190 | Wrapping materials for smoking articles Smokable rods of cigarettes are manufactured using wrapping materials that incorporate at least one fibrous material (e.g., flax fibers, hardwood pulp fibers and/or softwood pulp fibers) at least one filler material (e.g., calcium carbonate in particulate form). The... | 02/14/2006 |
| 6976493 | Wrapping materials for smoking articles Smokable rods of cigarettes are manufactured using wrapping materials that incorporate at least one fibrous material (e.g., flax fibers, hardwood pulp fibers and/or softwood pulp fibers) at least one filler material (e.g., calcium carbonate in particulate form). The... | 12/20/2005 |
| 6929013 | Wrapping materials for smoking articles Smokable rods of cigarettes are manufactured using wrapping materials that incorporate at least one fibrous material (e.g., flax fibers, hardwood pulp fibers and/or softwood pulp fibers) at least one filler material (e.g., calcium carbonate in particulate form). The... | 08/16/2005 |
| 6924029 | Cellulose acetate tow and method of making same A cigarette filter tow is a cellulose acetate tow having a high uncrimping energy (UCE) and a low fly. In one embodiment, the average UCE is greater than 280 and the average fly is less than or equal to 0.030 grams per 30 minutes. In another embodiment, the average ... | 08/02/2005 |
| 6918867 | Production of filter elements not suitable for cutting A method and apparatus for producing multi-segment filter elements in the tobacco-processing industry. The multi-segment filter elements each include a first filter segment and at least one second filter segment. A sleeve element is arranged in the first filter segm... | 07/19/2005 |
| 6911189 | Filter for selective removal of a gaseous component A filter such as an air having a reagent which chemically reacts with and removes a gaseous component of an air stream. The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can... | 06/28/2005 |
| 6907885 | High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials This invention is a highly efficient filter containing fibers that contain small particle size adsorbents/absorbents such as carbon and/or silica to selectively reduce targeted components in mainstream cigarette smoke. The invention relates to a novel class of highl... | 06/21/2005 |
| 6866045 | Filtration method and filter consisting of nitrogen-containing cycles or heterocycles such as DNA or RNA The methods concerns a method for general use and more particularly used for tobacco products. The method uses in particular nitrogen-containing heterocycles such as DNA and RNA bases and complementarily polymer fibers. Said molecules and said fibers can partly halo... | 03/15/2005 |
| 6863074 | Cigarette filters comprising unfunctionalized porous polyaromatic resins for removing gas phase constituents from mainstream tobacco smoke Cigarette filters, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of an unfunctionalized porous polyaromatic resins, which is capable of removing at least some of at least one gas phase constituent from mainstrea... | 03/08/2005 |
| 6857431 | Nanocomposite copper-ceria catalysts for low temperature or near-ambient temperature catalysis and methods for making such catalysts Nanocomposite copper-ceria catalysts are provided, which comprise copper oxide nanoparticles, copper nanoparticles, or a mixture thereof combined with ceria nanoparticles. Methods for making such catalysts are also provided, which involve the steps of (i) combining ... | 02/22/2005 |
| 6832613 | Filter cigarette A cigarette filter is surrounded by a wrapping paper, and the wrapping paper includes metal only on portion of a surface thereof, such that air can penetrate through the wrapping paper into the filter. ... | 12/21/2004 |
| 6832612 | Cigarette filter with scavenging effect on free radicals in cigarette smoke and its preparation method A cigarette filter that has a scavenging effect on smoking induced gas phase free radicals. The filter ingredients are comprised of proanthocyanidins and include, but are not limited to, extracts of barks of pine tree, extracts of cones of cypress trees, extracts of... | 12/21/2004 |
| 6796312 | Process and apparatus for the removal of toxic components of tobacco smoke and the standardization of the health hazards related to those components The oral cavity is a source of sensitive biomarkers that allow the development of novel tobacco filters to reverse and eliminate acute adverse effects of tobacco smoke. Useful biomarkers are ubiquitous functional leukocytes and associated essential biochemical mecha... | 09/28/2004 |
| 6792953 | Tobacco smoke filter A tobacco smoke filter a copper-containing porphyrin or an iron analog of C.I. Reactive Blue 21 dye. A method of making a first tobacco smoke filter segment, comprising the steps of, first, providing one or more than one substance; producing a mixture of cellulose f... | 09/21/2004 |
| 6789547 | Carbon technology Catalytically active carbons are used in cigarette filters for selective oxidation of selected gas phase components in cigarette smoke. The carbons are impregnated with transition metals and sulfur and/or nitrogen ligation. The catalytic activity of the carbon is si... | 09/14/2004 |
| 6789546 | Filters for preventing or reducing tobacco smoke-associated injury in the aerodigestive tract of a subject A method of preventing or reducing tobacco smoke-associated injury in the aerodigestive tract of a subject is disclosed. The method comprises administering a therapeutically effective amount of an antioxidant agent capable of preventing or reducing tobacco smoke-ass... | 09/14/2004 |
| 6779529 | Cigarette filter A cigarette filter includes a multiple section filter which reduces the level of predetermined smoke constituents. The filter includes a fibrous filter plug section, a selective adsorbent section, and a general adsorbent section co-axially aligned in tandem. The sel... | 08/24/2004 |
| 6779528 | High surface area micro-porous fibers from polymer solutions Fibers are produced from an acetone solution of cellulose acetate by pulling or extruding such material through a spinneret in a dry spinning process. A vacuum is applied to the thus formed fibers after a certain degree of drying. A dried outer skin is formed, and t... | 08/24/2004 |
| 6772768 | Cigarette filters of shaped micro cavity fibers impregnated with flavorant materials Tobacco flavorants loaded into semi-open micro cavities of shaped fibers add flavor to tobacco smoke during the smoking process. The shaped fibers are end-capped shaped multi-lobals that form semi-open cavities between the lobals to effectively entrain solid and liq... | 08/10/2004 |
| 6761174 | Cigarette and filter with downstream flavor addition A cigarette comprises a tobacco rod and a multi-component filter comprising a bed of adsorbent and a flavor-releasing filter segment located downstream of the bed of adsorbent. In the preferred embodiment, the adsorbent is also flavor-bearing and comprises high surf... | 07/13/2004 |
| 6748956 | Cigarette filter and cigarette This invention is directed to a cigarette filter containing an extract of Vernonia Cinerea (L.) Less. According to this invention, novel cigarette filter and cigarette are provided which are capable of effectively providing a desired effect in facilitating smokers' ... | 06/15/2004 |
| 6739344 | Biodegradable cellulose acetate structure and tobacco filter A cellulose acetate structure excellent in its biodegradability. At least a surface region of the structure includes a biodegradable cellulose acetate composition containing a biodegradation promoting agent contained in cellulose acetate. The agent includes at least... | 05/25/2004 |
| 6718987 | Smokers′ article The present invention pertains to the tobacco industry and may be used in the production of smokers' articles that include a mouthpiece and consist of a new product that conjugates the functional properties and qualities of cigarettes with a cardboard mouthpiece and... | 04/13/2004 |
| 6691493 | Method of and apparatus for encoding and recording identifying indicia for arrays of rod-shaped commodities Packs of rod-shaped smokers' products comprise containers of a material which permits monitoring of their contents by a suitable detector serving to generate signals which indicate the presence of characteristic indicia on one or more packed smokers' prod... | 02/17/2004 |
| 6631722 | Tobacco smoke filter elements This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of ... | 10/14/2003 |
| 6615842 | Methods for removing nucleophilic toxins from tobacco smoke This invention provides methods, devices and agents for the removal of nucleophilic toxins present in tobacco and tobacco smoke. The filter element of a tobacco smoking device or an air filtration device used in conjunction with a tobacco smoking device m... | 09/09/2003 |
| 6595218 | Cigarette filter 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 fil... | 07/22/2003 |
