Matches 1 - 50 out of 153 1 2 3 4 >
Match Document Document Title
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...
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...
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,...
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...
6502582 Thin cigarettes having filter elements with distinct relative retentions  
The invention relates to a filter cigarette with a tobacco strand enclosed by a cigarette paper, which has a diameter of 5-7 mm, with a smoke yield of at most 1 mg condensate, with a tobacco-side...
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...
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...
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...
6067995 Coaxial cigarette having cross stream barrier  
The invention relates to a coaxial cigarette including a rod comprising a rod core, a rod core wrapping, a rod jacket and a rod jacket wrapping; and a filter comprising a filter core, a filter core...
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...
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...
5787902 Concentric core filter  
A ventilated cigarette filter having a tobacco smoke filtering core, a tubular body of air-permeable material around the core, and an outer wrapper engaged around the tubular body and providing in...
5718250 Low gas phase filter for cigarettes  
A cigarette having an improved carbon-bearing filter. A cigarette is provided with a smokable rod attached to a filter element having a region of carbon-bearing cellulose acetate tow surrounding a...
5622190 Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core  
A concentric smoking filter in which the peripheral filter medium is a fibrous tow, such as fibrous cellulose acetate tow, and the core filter medium is a web material, such as paper, loaded with...
5568819 Cigarette filter  
A cigarette includes a filter element including a carbon-containing paper or a paper containing molecular sieves. The paper contacts the filter material, such as cellulose acetate tow, within the...
5549125 Relating to smoking articles  
A cigarette having a region having means to reduce the vapour phase constituents of tobacco smoke, such as carbon, surrounding a tobacco smoke flow path is provided with ventilation means to...
5439011 Coaxial filter cigarette  
The coaxial filter cigarette according to the invention contains of a coaxial rod portion and a coaxial filter element. The rod portion contains an inner core of a material glowing or smouldering...
5435326 Controlled delivery smoking article and method  
A smoking article having a controlled yield of wet particulate matter and a method of making a smoking article with predetermined total and per puff yields of wet particulate matter. The smoking...
5423336 Ventilated filter cigarette  
The invention relates to a ventilated filter cigarette having a filter with three chambers, including a middle chamber containing an adsorbent. The strand-side chamber next to the middle chamber...
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...
5409021 Cigarette filter  
A cigarette filter, including at least two parts, sucessively located in the direction of tobacco smoke flow and joined by a wrapping means, one part of the filter, positioned at the side 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...
5246017 Cigarette and cigarette filter element therefor  
A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven thermoplastic material. The non-woven material comprises polyester or polypropylene fibers. The...
5225277 Acetate tow having high crimp modulus and manufacturing method thereof  
An acetate tow having crimp modulus, wherein a degree of crimping of the acetate tow at a position just downstream of a delivery roller of a filter rod making machine used to form a filter rod is...
5115824 Filtration of tobacco using moisture free, electrically neutral hydrophobic particles  
Hydrophobic particles containing polar groups on their surfaces are incorporated into a tobacco smoking article to remove deleterious chemical compounds, both polar and non-polar, from the tobacco...
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...
5074320 Cigarette and cigarette filter  
Cigarettes have filter elements which have a relatively low efficiency for filtering particulate matter of tobacco smoke and a relatively high pressure drop. Such filter elements are provided by...
5060672 Highly efficient tobacco smoke filter  
The invention relates to a novel, highly efficient tobacco smoke filter provided with mechanically (fibrous) and/or adsorptively filtering materials as well as chemosorptively filtering components,...
5058608 Filter cigarette  
A filter cigatette comprises a tobacco rod having a tobacco mixture with a low packing or filling density, a first filter element racing the tobacco rod, having a retention capacity of 40 to 80%...
5048546 Filter and method of treating tobacco smoke to reduce materials harmful to health  
A method for treating nicotine containing materials such as tobacco, tobacco smoke and tobacco extracts involves adding to an adsorptional filter material postassium aluminum sulfate, KAl (SO 4 ) 2...
5012829 Flavored cigarette filters, and methods and apparatus for making same  
A cigarette filter has a substantially cylindrical inner member of filter material surrounded by an outer member of filter material and a plugwrap. The density of the inner and outer members are...
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...
4971078 Filter for a smoking article containing a flavored hollow fiber  
A filter for a smoking article includes: a flavorant; a hollow fiber made of a thermoplastic, the flavorant dispersed in the thermoplastic; and a filter plug in which the fiber is embedded....
4807647 Ventilated cigarette filter  
A cigarette filter comprising longitudinally aligned core components a first of which is air-permeable and of relatively high pressure drop longitudinally of the filter but substantially...
4774972 Ventilated tobacco smoke filter  
A tobacco smoke filter having a non-integral core of components [2, 3] joined and held in longitudinal alignment by a strip [1] which extends only partially around the core circumference to leave a...
4770193 Manufacture of tobacco smoke filters  
A smoke filter and a method for manufacturing the filter from a continuous multifilament filter tow are described in which a portion of the filter tow is treated with a dye to impart color to a...
4768526 Tobacco smoke filters  
Tobacco smoke filters are disclosed which are useful for manufacturing filter cigarettes and which are formed from a continuous multifilament filter tow that is treated with a smoke-modifying agent...
4754766 Tobacco smoke filters  
A tobacco smoke filtration element having a first smoke-flow passage of filtration efficiency less than that of a second smoke-flow passage, the first smoke-flow passage being provided with a heat...
4747418 Cigarette filter unit  
In order to obtain, during the smoking of a cigarette, each time the smoker draws, an amount of condensate which is more constant or is even less than heretofore, there is provided a cigarette...
4729389 Filter for tobacco smoke  
A filter comprising kaolin fibers useful for removing deleterious materials from tobacco smoke and reducing the temperature thereof.
4715389 Cigarette  
A cigarette having internal heat sinks of aluminum mesh and a section of carbonized flue-cured tobacco stem material containing adsorbed nicotine produces smoke having lower TPM and higher nicotine...
4700724 Smoking-articles mouthpieces-elements  
A smoking article mouthpiece element comprises a first portion within which a smoke-passage and a ventilation-duct extends from end-to-end of the portion, a downstream end of the duct being spaced...
4693265 Cigarette filter having low visible staining  
Filter cigarettes exhibiting a low amount of visible staining have a tobacco rod, an axially aligned filter element having a barrier region positioned on the back face thereof such that air and...
Matches 1 - 50 out of 153 1 2 3 4 >