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| Number | Title | Issue Date |
| 8109276 | Device, assembly and method for filtering tobacco smoke from a cigarette The invention relates to a device for filtering tobacco smoke from a cigarette, in particular a filter cigarette, the device comprising a portable housing provided with a combustion space in which the cigarette can burn, a filter unit for filtering the tobacco smoke... | 02/07/2012 |
| 7980250 | Smokers filter A tobacco smoke filter which has a tar retention of at most 50% and comprises a relatively high draw resistance downstream filtering plug of at most 50% tar retention, a relatively low draw resistance upstream filter plug of at most 22% tar retention spaced longitud... | 07/19/2011 |
| 7614402 | Simulated cigarette The invention is directed to a simulated cigarette for use as a smoking cessation aid comprising a cylindrical member having a predetermined size and shape and a filter member formed at one end of the cylindrical member. The filter member has a predetermined size an... | 11/10/2009 |
| 7302954 | Cigarette filter comprising grape proanthocyanidin To a constitutive element of a tobacco (a leaf-tobacco component or a filter) is added a proanthocyanidin or a proanthocyanidin-carrying porous material (such as an active carbon) to obtain an element for tobacco smoke. The proanthocyanidin may be at least one extra... | 12/04/2007 |
| 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 |
| 7228861 | Cigarette filter A cigarette filter has filter sections including filter materials individually wrapped with plug wrap paper, forming paper for wrapping the filter sections integrally, and tipping paper covering the forming paper so as to connect the filter sections to a cigarette s... | 06/12/2007 |
| 7172426 | Use of ozone for the treatment of mouth ulcerations A method of treating mouth ulcerations, includes directing a stream of oxidizing gas onto mouth ulcerations for a period of time sufficient to kill microorganisms. ... | 02/06/2007 |
| 7114503 | Process for producing an open celled foam The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke, and to a method to prepare this foam. The foam according to the invent... | 10/03/2006 |
| 7100420 | Cigarette monitoring A cigarette monitoring device capable of monitoring individual smoking behaviour and particularly smoke deliveries and of communicating this and other information to a remote location and/or the consumer. The device comprises a cigarette monitoring means, fluid-flow... | 09/05/2006 |
| 7070638 | Burp gas filtering and deodorizing device The burp filtering device has the body of a writing pen, with an intake port at the upper end of the body, a plurality of exhaust ports adjacent the writing tip, and a filter disposed within the body. The filter may be made of activated charcoal or other media for f... | 07/04/2006 |
| 6923841 | Filter element of an air filter with far infrared energy A filter element of an air filter includes a main body and a substrate. The far infrared emission powder substances are embedded at certain grain sized and at certain ratio to the substrate, thereby forming the main body that is adapted in form to various internal c... | 08/02/2005 |
| 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 |
| 6860273 | Cigarette with adsorbent at tip end thereof A zone or plug of porous adsorbent material, primarily activated carbon, is placed in the tobacco rod of a cigarette a short distance from the lighting end thereof. The amount of activated carbon is sufficient for effective removal of volatile smoke constituents whi... | 03/01/2005 |
| 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 |
| 6814786 | Filters including segmented monolithic sorbent for gas-phase filtration A filter includes at least two monolithic sorbent segments and a mixing segment between the two monolithic sorbent segments. The monolithic sorbent segments comprise porous sorbent materials that are capable of selectively removing one or more selected gaseous const... | 11/09/2004 |
| 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 |
| 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 |
| 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 |
| 6748955 | Cigarette sidestream smoke and free-burn rate control device A device for minimizing cigarette sidestream smoke and reducing free-burn rate of a burning cigarette is disclosed. The device comprises a non-combustible tubular element encasing an effective length of a tobacco charge of a cigarette located in the tubular element.... | 06/15/2004 |
| 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 |
| 6591839 | Filter material for reducing harmful substances in tobacco smoke A filter material for reducing the content of harmful substances in tobacco smoke. The filter material comprises a ground and not additionally activated expanded clay produced without adding foreign substances, and zeolite as the filter material. The filt... | 07/15/2003 |
| 6584979 | High efficiency cigarette filters having shaped microcavity 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 cla... | 07/01/2003 |
| 6550483 | Smoking article with water-disintegratable paper filtration material having water-susceptible adhesives A cigarette is provided with a filter comprising a filter element of water-disintegratable paper. The paper is water swellable and/or the filter element comprises a water swellable agent. Tipping which interattaches the filter to the tobacco rod of the ci... | 04/22/2003 |
| 6471754 | Purification system for tobacco-generated secondhand smoke A purification system for preventing secondhand tobacco smoke from reaching an ambient environment thereabout. Two components of the system include a smoke entrapment intake hood for aggregating the secondhand smoke and an electrostatic suction filter ass... | 10/29/2002 |
| 6470894 | Glutathione, green tea, grape seed extract to neutralize tobacco free radicals A composition for inclusion within a cigarette, cigar, pipe or smokeless tobacco. The composition can be included within the tobacco itself, a filter for filtering tobacco smoke once burned or even within the paper or wrapper surrounding the tobacco produ... | 10/29/2002 |
| 6431176 | Tobacco smoke containment apparatus and method therefor A tobacco smoke containment apparatus and method therefor having the characteristics of limiting the exhaust of harmful smoke particles as well as reducing the overall risk of accidental fire by containing a smoking tobacco product inside a closed recepta... | 08/13/2002 |
| 6415798 | Antioxidants to neutralize tobacco free radicals A composition for inclusion within a cigarette, cigar, pipe or smokeless tobacco. The composition can be included within the tobacco itself, a filter for filtering tobacco smoke once burned within the paper or wrapper surrounding the tabacco product. In t... | 07/09/2002 |
| 6371127 | Cigarette sidestream smoke and free-burn rate control device A device for minimizing cigarette sidestream smoke and reducing the free-burn rate of a burning cigarette, the device comprises: I) a non-combustible tubular element (12) encasing an effective length of a tobacco charge (22) of a cigarette (14) located in... | 04/16/2002 |
| 6345625 | Filter for secondary smoke and smoking articles incorporating the same Secondary smoke is harmful to passive smokers. A filter sleeve (1) comprises a sleeve (10) with a downstream portion (11) adapted for receiving inhale smoke into an inhalation flow path (13), an upstream portion (12) adapted for inhalation of said inhale ... | 02/12/2002 |
| 6302114 | Tobacco smoke filter The present invention provides a tobacco smoke filter or filter element having a longitudinally extending core (2) and a wrapper (4) engaged around the core (2), the wrapper (4) having particulate additive (6) adhered to one or more portion(s) of the radi... | 10/16/2001 |
| 6158530 | Hand-held smoker's device for sidestream smoke control A cigarette combustion unit for the use in a hand-held cigarette smoke filtering device for filtering sidestream smoke emitted from a cigarette burning in the unit comprising: i) an elongate closed combustion chamber for a burning cigarette, a lower wall ... | 12/12/2000 |
| 6119699 | Method and apparatus for the selective removal of specific components from smoke condensates A smoking article capable of delivering a regulated smoke composition to a smoker, includes: a) a combustible filler wrapped in a combustible sheath; and b) at least one affinity chromatographic filter unit designed to preferentially remove specific targe... | 09/19/2000 |
| 6113964 | Removal of undesirable components from a liquid or gas with proteinaceous oat material Bitter or otherwise undesirable compounds can be removed from beverages such as tea, coffee or wine by using a natural proteinaceous oat-derived material. This material will also remove noxious compounds such as nicotine from the smoke stream of lighted t... | 09/05/2000 |
| 6067993 | Filter adapter for use with smoking apparatus A filter adapter for use with a waterpipe comprises a closure cap with a cutout; a spigot tap with a cylindrical sleeve, an integral port, a cylindrical base with male threads, the port providing communication between the sleeve and the base; and a ventil... | 05/30/2000 |
| 6012459 | On-board lighter system for smoker's accessory A hand-held cigarette smoking device for capturing sidestream smoke with an on-board cigarette lighter. The device has a cigarette combustion chamber, a sidestream smoke filtration chamber, a plenum for conducting sidestream smoke from a lit cigarette in ... | 01/11/2000 |
| 6006757 | Cigarette holder A cigarette holder completely encloses the lit end of a cigarette providing purification for both sidestream smoke and mainstream smoke. It has two concentric tubes with the lit cigarette placed in the inner tube and purifying agent placed in the volume b... | 12/28/1999 |
| 5998500 | Method of making a filter with interpenetrating polymer network that biodegrades This invention relates to a filter and a method of making a filter. The filter is made of randomly orientated fibers made from an interpenetrating network formed from at least two polymers which are substantially water soluble in their salt form and which... | 12/07/1999 |
| 5954061 | Cigarette aeration and filtration device A device comprising a filter and a rod which is capable of insertion into a cigarette cord that has a preformed conduit extending concentrically along the longitudinal axis of the cord. The rod having a plurality of perforations along its entire length, a... | 09/21/1999 |
