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7610920 Thiol-functionalized sorbent for smoking articles and filters for the removal of heavy metals from mainstream smoke  
Smoking articles which use thiol-functionalized sorbents are provided. The thiol-functionalized sorbents comprise at least one thioalkylsilyl compound covalently bound to an inorganic molecular...
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...
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...
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...
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...
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...
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,...
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...
6745777 Tobacco filter means superimposedly rechargeably filled with disposable filter units  
A tobacco filter device includes a plurality of filter units superimposedly rechargeably filled in a sleeve member, having a bowl member connected to an outer end (smoking end) of the sleeve member...
6718989 Filter for a cigarette and a filter-tipped cigarette  
A filter for a cigarette and a filter-tipped cigarette having a high degree of freedom in control of filtering-efficiency of smoke are provided. The filter has a core 10 and a sheath 12 made...
6615843 Tobacco smoke filter and relative composition made of antioxidant and mineral substances  
A tobacco smoke filter synergist composition is provided comprised of antioxidants and minerals: the former are effective as free radical scavenger and the latter are capable of reducing the other...
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...
6481442 Smoking article including a filter for selectively removing carbonyls  
A smoking article including a wrapper surrounding a tobacco column and a selective filter element is disclosed. The selective filter element includes at least one carrier having a developed...
6309509 Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose  
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and,...
6273095 Cigarette filter which removes carcinogens and toxic chemicals  
Disclosed herein is a filter for use with tobacco products, such as cigarettes, cigars and pipes, which selectively absorbs toxic compounds and carcinogenic polynuclear aromatic compounds passing...
6257243 Smoking articles  
The invention relates to a coaxial smoking article, particularly a coaxial cigarette, comprising a coaxial rod of smokable material, which rod has an inner segment (1) of smokable material...
6257242 Filter element  
A filter element for reducing or eliminating the harmful vapor phase components of air or smoke. The filter element includes a first section and a second section. The first section is positioned...
6207601 Melt-blown nonwoven fabric, process for producing same and the uses thereof  
The disclosure relates to a melt-blown non-woven fabric based on cellulose esters, with fibers of mean diameter less than about 10 microns. The fabric contains 0-10 wt. % extractable softener, has...
6206007 Cigarette with a dual-structure filter  
A cigarette with a dual-structure filter includes a dual-structure filter having a first filter element and a second filter element arranged downstream of the first filter element, a tobacco rod...
6202650 Filter-tipped cigarette and filter for a cigarette  
A filter-tipped cigarette includes a tobacco portion having a tobacco material wrapped by a cigarette paper, and a filter portion which is connected to the tobacco portion. The filter portion has a...
6193841 Shaped, plastic articles comprising a cellulose fiber, a cellulose ester, and a non-ionic surfactant  
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and,...
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...
6089238 Ultralight coaxial cigarette including a multipart filter  
The invention relates to a coaxial cigarette including a coaxial tobacco rod comprising a rod core, a rod core wrapping, a rod jacket and a rod jacket wrapping and a multi-part ventilated filter...
6026819 Tobacco smoke filter incorporating sheath-core bicomponent fibers and tobacco smoke product made therefrom  
Bicomponent fibers comprising a core of a thermoplastic material, preferably polypropylene, and a sheath of a blend of the core-forming polymer and an ethylene-vinyl acetate copolymer are used to...
5967149 Tobacco filter material and a method of producing the same  
Using a slurry containing a particulate or fibrous cellulose ester and a wood pulp with a Canadian standard freeness of 100 to 800 ml in a ratio of 10/90 to 90/10 (weight %), a tobacco filter...
5944025 Smokeless method and article utilizing catalytic heat source for controlling products of combustion  
A smoking article and its method of construction and operation to provide products of combustion which are used to form flavorable aerosol gases delivered to the smoker's mouth while controlling...
5913311 Cigarette filter and filter material therefor  
A filter material comprises a cellulose acetate fiber tow containing 5-50% by weight of a water soluble material and/or a water dispersible material which are soluble in a solvent which dissolves...
5911224 Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same  
A porous element particularly for use as a tobacco smoke filter plug in association with a cigarette or the like wherein the matrix comprises a multiplicity of biodegradable polyvinyl alcohol...
5839449 Low CO cigarette  
A cigarette smoking article achieves very low levels of CO and other gas phase components by means of substantial air dilution, but has an acceptable pressure drop and sufficient delivery of...
5826592 Control of cigarette smoke chemistry  
A cigarette smoke filter element is provided which permits a higher level of flavor to reach the smoker during initial smoking of the cigarette and consequently an enhanced flavor-to-tar ratio, by...
5810020 Process for removing nitrogen-containing anions and tobacco-specific nitrosamines from tobacco products  
There is disclosed a process for denitrifying tobacco materials and removing barium from tobacco materials, comprising mixing an aqueous-immiscible organic solvent containing a crown ether with an...
5758669 Tobacco filters and production process thereof  
Water disintegratability of a tobacco filter is improved by incorporating a super absorbent resin into a tobacco smoke filter medium in a tobacco filter comprising a main constitutive element of...
5738120 Smoking articles  
A smoking article comprising a smoking rod, a filter and ventilation means incorporated in the filter and communicating with the outside of the smoking article, viscous fluid in the ventilation...
5727573 Smoker's article  
The smoker's article comprises a filter, a tobacco rod and a wrapper. The tobacco rod contains a catalyst consisting of a hydrated zeolite or a zeolite-like molecular sieve, the said zeolite or...
5713377 Tobacco cartridge  
The invention relates to a coaxial tobacco cartridge with an inner core of a first tobacco blend, a sheath for the inner core, an outer jacket of a second tobacco blend, a sheath of high air...
5709227 Degradable smoking article  
A degradable smoking article comprises a tobacco rod and a filter component made of a gathered web of moisture disintegrative sheet material wrapped with a moisture disintegrative plug wrap bonded...
5617882 Tobacco smoking article filter with basalt fibers  
The invention concerns a tobacco smoking article comprising a tobacco rod and a filter unit containing both organic and inorganic fibers wherein the inorganic fibers are basalt fibers with diameter...
5509430 Bicomponent fibers and tobacco smoke filters formed therefrom  
Sheath-core bicomponent fibers comprising a core of a low-cost, high strength, thermoplastic material, preferably polypropylene, completely covered with a sheath formed preferably of plasticized...
5509429 Uniform tar delivery profile filter  
A tobacco smoke filter element (14) produces a more uniform tar delivery profile without an unacceptable pressure drop by causing the cigarette smoke to assume a progressively longer flow path...
5507304 Polymer blend composed of cellulose acetate and starch acetate used to form fibers, films and plastic materials and a process to prepare said blend  
A blend of cellulose acetate and starch acetate used to make fibers, filaments, yarns, fabrics, plastic materials and other uses is disclosed. Additionally, the invention relates to the process of...
5415189 Lightweight cigarette filter and cigarettes incorporating such filters  
A lightweight cigarette filter including a filter element containing filter material having a total Denier of less than 35,000 or a bulk density of less than 0.12 gcm -3 in which part of the...
5356704 Tobacco smoke filter  
Disclosed are articles, such as smoke filters, which contain fibers that have complex geometry in combination with tobacco smoke modifying agents such as flavorants. The fibers are preferably made...
5331981 Smoking article having flavor solution releasably housed in a plastic container  
A smoking article includes a flexible casing which is liquid-tight and tubular, a mouth portion formed at one end of the casing, a cylindrical plastic container which can be elastically deformed...
5161549 Pure clean cigarette filter  
An improved tobacco smoke filter which retains a majority of the tar and nicotine and noxious gases from tobacco smoke. The filter is composed of fibrous filaments having equal quantities of two...
5092351 Multi-layer filter cartridge  
This invention relates to a filter cartridge suited for filtering highly viscous liquid. According to the invention, non-twisted yarn (sliver) and hard linear material such as strongly-twisted...
5083579 Composition for absorbing nitrogen oxide from tobacco smoke, method for absorbing nitrogen oxide using said composition, filter for purifying tobacco smoke using said composition, and method for impregnating the base of a filter with said composition  
The invention consists of a method for absorbing nitrogen oxide and carbon monoxide from tobacco smoke. It includes a base made of acetate, cellulose and acetate-cellulose fibers. The base is...
5038803 Method and device for control of by-products from cigarette smoke  
Method for controlling delivery of by-products found in cigarette smoke by utilizing a cigarette filter element comprising one or more substrates treated with an effective amount of at least one of...
5022964 Nonwoven fibrous web for tobacco filter  
A nonwoven fibrous web material that contains cellulose ester fibers, cellulose ester fibrets and a minor amount of activated fusible fibers uniformly dispersed throughout is particularly well...
5012828 Tobacco smoke filter containing particulate additive  
A tobacco smoke filter comprising a rod of tobacco smoke filtering material incorporating particulate additive, wherein at least some of the particulate additive is concentrated on one or a...
5009239 Selective delivery and retention of aldehyde and nicotine by-product from cigarette smoke  
A process for improving selective filter retention and pass through properties of cigarette filter elements by treating with polyethyleneimine modified to a predetermined pH range with one or more...
Matches 1 - 50 out of 153 1 2 3 4 >