Matches 1 - 50 out of 116 1 2 3 >
Match Document Document Title
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...
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...
6422244 Filter for a cigarette and filter cigarette  
A filter for a cigarette and a filter cigarette which make a smoking feeling much milder without the original cigarette taste and aroma being spoiled are provided. The cigarette filter has a filter...
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...
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...
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...
6062228 Biodegradable filter material and method for its manufacture  
There is provided a biodegradable filter tow or filter material from renewable raw materials for the use as a tobacco smoke filter element of cigarettes, cigars or pipes as well as a method for...
5947126 Environmentally disintegratable tobacco smoke filter rod  
A bundle of cellulose acetate fibers is bonded together with a water-soluble fiber-to-fiber bonding agent. The water-soluble fiber-to-fiber bonding agent may include 60-99 wt. % of a water-soluble...
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...
5746230 Concentric smoking filter having discrete tow and web filter media  
A concentric smoking filter in which one of the filter media is a fibrous tow, such as fibrous cellulose acetate tow, and one of the filter media is a web material, such as paper, is provided. The...
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...
5664586 Tobacco smoke filters and filter rods therefor  
The invention provides a cigarette filter (1) the biodegradation of the material (3) which is assisted by the incorporation of swellable means in the filter so that upon exposure to moisture the...
5632286 Crimped elements for cigarettes and the like and methods and apparatus for making same  
A method for forming successive spaced crimps in a tow of fibrous material by passing the tow along a path defined by an apparatus comprising a plurality of crimping wheels disposed around the...
5497793 Cigarette and soluble cigarette filter therefor  
A filter cigarette includes a tobacco smoke filter having a core of an expanded starch material which is biodegradable and readily soluble in water. The filter material is preferably formed of high...
5178165 Smokers disposable mouthpiece  
A filtered smoker's mouthpiece having three sections; means to hold a cigarette or cigar in line with a chamber holding a filter, and a mouth piece therefore, wherein the filter is originally of...
5150721 Tobacco smoke filter material and process for production thereof  
Disclosed is a novel process of preparing tobacco smoke filter material, wherein an acidic compound such as citric acid is dissolved in a cellulose acetate spinning solution prior to spinning the...
5107863 Cigarette and filter therefor  
A cigarette filter 12 comprises a rod of filter material having an inner zone 16 of 60% to 90% filter efficiency and an outer zone 18 of 10% to 40% filter efficiency, the inner zone occupying from...
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...
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%...
5053066 Nonwoven filter and method of manufacture  
A filter useful as a cigarette smoke filter is made by convergingly passing a flat restrained meltblown web successively through a heated zone and a trumpet to form a roving. The roving may be...
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...
4972853 Cigarette filter rod elements and cigarettes incorporating such filter rod elements  
A cigarette filter rod element including an axially extending barrier tube of micro-fine fibres with a diameter of between 0.5 and 10 microns and located so that at least part of the gas flow...
4955397 Cigarette  
A cigarette including a tobacco rod circumscribed by a metal foil wrapper and having a cylinder of carbon fuel surrounding the metal foil wrapper tobacco rod. An air permeable outer wrapper...
4869275 Ultra-high filtration filter  
An ultra-high efficiency cigarette filter is formed from a web of entangled ultra-fine melt blown plastic fibers of extremely low bulk density, the fibers on average having a diameter in the range...
4821750 Cigarette filters  
Skinless shaped articles having increased specific surface area and based on cellulose esters, including both solid and hollow fibers, can be produced with at least one surface having a striated or...
4807809 Rod making apparatus for smoking article manufacture  
Rods for use in the manufacture of smoking products are provided using a rod making apparatus equipped with a web preforming unit. A web of sheet-like material is passed through the web preforming...
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...
4798570 Process for preparing filter rods  
An improved process for preparing fiber rods useful as cigarette filter tips comprises feeding a synthetic fiber tow through an air jet bulker directly into the garniture of a conventional...
4791943 Cigarette filter unit and method for the production thereof  
In order, when a cigarette is being smoked, to reduce, or even reverse, the tendency of the condensate-content to increase, a cigarette filter unit is proposed in which at least one partition...
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...
4735218 Tobacco filter  
Tobacco filter using a smoke filter comprising a processed product of fruiting body of Bacidiomycetes of bracket fungus or its analogue or mycelium or processed product of the Bacidiomycetes. This...
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...
4681125 Mouthpiece for tobacco smoke article  
A tobacco smoke mouthpiece including a smoke impervious plug member having an upstream smoke inlet end and a downstream smoke outlet or mouth end with groove(s) in the periphery of the plug member...
4677996 Smoking article mouthpieces  
A cigarette filter element comprising at least one duct extending from one end to the other of the element, which element is operated on by a heated former moving relatively to it in a rotary...
4655736 Method of manufacturing a tobacco smoke filter  
A method of manufacturing tobacco smoke filter of filamentous material with at least one end thereof having a preselected fused area embedded in and over at least a portion of the cross-sectional...
4646762 Cigarette having a mouthpiece  
A smoking article, such as a cigarette, includes, in one advantageous embodiment, a generally cylindrical, hollow tubular mouth section located in coaxial abutment to one end of the tobacco column...
4643206 Cigarette filter  
A filter for a cigarette includes a porous filter rod having a capillary smoke passageway extending coaxially therethrough. The filter rod is circumscribed by a non-porous wrapper and the filter...
4621651 Filter tip for a smoking product  
A filter tip for a smoking product comprised of a filter rod attached at one end to the smoking product. The filter rod is surrounded by a tip wrapping layer which terminates at a distance from the...
4616664 Tobacco product  
A tobacco product such as a cigarette having a tobacco column within a combustible wrap and a filter plug located at one end of the tobacco column to filter constituents of the mainstream smoke....
4612333 Foamed gypsum filter containing carbonaceous material  
A filter composition is formed from a foamed gypsum combined with fine particulate carbonaceous material such as activated carbon, dried blood and comminuted vegetable matter. The combination of...
4608999 Cigarette filter  
A filter for a cigarette includes a porous filter rod circumscribed by a non-porous wrapper and a tipping material having selected openings therein for allowing ventilating air to pass...
4602647 Ventilating tip for a smokable article  
A tip for a smokable article comprises a tubularly arranged covering material with an air-pervious ventilation zone, and also a tubular core which is within the covering material and which contains...
4540005 Cigarette having a mouthpiece  
A smoking article, such as a cigarette, has a mouth section which includes a generally cylindrical, impermeable, plug member located in coaxial abutment to one end of the tobacco column of the...
4521493 Fiber filter and stabilizer formulation  
A resin-modified fiber filter formulation, fiber filter element, and method for improving dimensional stability, firmness and resiliency of a polyolefin fiber filter element comprised of crimped...
4493331 Cigarette filter  
A filter for a cigarette which includes a protrusion of smoke permeable material integral with and coaxially projecting from the mouth end of the filter rod. The mouth end of the filter rod...
4488563 Filter plug  
A filter plug having a dual structure comprising filter element A made from a crimped long filter tow in a form of a plug, filter element B, joined to said A, prepared by wrapping a core material...
4466448 Tobacco smoke filter  
Conventional porous labyrinth type filtering is combined with ambient air and conduction of smoke past the filter element in a cigarette holder wherein a selected portion of the tar and nicotine...
4460001 Process for preparing compound filter  
A process for preparing a compound cigarette filter, the filter having the ability to deliver substantially constant tar and nicotine as the cigarette is smoked. The compound filter comprises a...
4411641 Method for producing a tobacco smoke filter plug  
A method and apparatus for producing a tobacco smoke filter having a double structure composed of one inner core phase in a special fibrous arrangement and an outer skin layer in a different...
Matches 1 - 50 out of 116 1 2 3 >