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Match Document Document Title
7552735 Activated carbon fiber cigarette filter  
A cigarette filter for removing gas phase constituents from mainstream cigarette smoke as the smoke is drawn through the filter primarily comprises an activated carbon fiber filter section...
7163015 Opposed seam electrically heated cigarette smoking system  
An electrically heated cigarette smoking system includes a cigarette that is formed with a tobacco rod portion, a filter tube portion, a tobacco mat layer wrapped around the tobacco rod portion and...
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...
6848450 Cigarette filter using intermetallic compounds  
A filter such as a cigarette filter having a metal reagent which selectively binds with a gaseous component of a gas stream such as tobacco smoke. The metal reagent comprises nanometer or...
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...
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...
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...
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...
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...
6129087 Reduced ignition propensity smoking articles  
A smoking article includes at least one strip of heat conducting material extending from one end of the tobacco rod of a smoking article to the opposite end of the tobacco rod. Preferably, the...
5979459 Ventilated filter cigarette with a coaxial filter element  
The invention refers to a ventilated filter cigarette comprising a tobacco rod, a wrapper for the tobacco rod and a filter ventilated through ventilation openings, including a coaxial filter...
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...
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...
5896860 Smoking filter  
A filter for passing tobacco smoke or other gaseous material comprising two layers of material having a plurality of circuitous or serpentine passageways forming pathways through which tobacco...
5845648 Multi-compartment expandable filter for a smoking product  
A filter which will be attached to the end of a smoking product such as a cigarette. It would have a normal filter connected to the tube of tobacco, with a dual chamber which holds fine tobacco...
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...
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...
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...
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...
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...
5464028 Cigarette  
A vented filter cigarette with a filter having a fiber filter material and a plug wrap paper wrapping the fiber filter material, a tobacco rod, and tipping paper having a plurality of pores and...
5458107 Flavor cigarettes  
An improved flavored cigarette is provided which consists of a cylindrical paper sheet wrapper. Processed tobacco is disposed within the cylindrical paper sheet wrapper. A filter is at one end that...
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...
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...
5396910 Cigarette filter  
A cigarette filter connected to a tobacco rod is provided with air dilution holes which extend radially into the fibrous material of the filter to a depth of about 1.0 to about 4.0 millimeters....
5392793 Smoking article with means to raise temperature of smoke  
A smoking article comprising tubular support means to carry a supply of smoking material therein and to provide first and second ends thereof, said first end being located for ignition and said...
5392792 Reduced gas phase cigarette  
A cigarette includes a rod of smoking material, such as tobacco, to which is attached a mouthpiece that is substantially impervious to air and smoke except for an unfiltered axial bore or flow...
5360023 Cigarette filter  
Cigarettes include a filter element which have a gathered web of paper incorporating a carbonaceous material. The paper is gathered so as to include a plurality of longitudinally extending...
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...
5327915 Smoking article  
A smoking article includes a fuel rod coaxially aligned with and circumscribing two insulating tubes of different heat transfer coefficients wherein the inner most insulating tube is filled with an...
5203355 Cigarette with cellulosic substrate  
The present invention provides improved cigarettes and other smoking articles in which the substrate is a cellulosic material, preferably paper or a paper-like material, e.g., tobacco paper. The...
5195543 Balanced flow tobacco smoke filter  
A cigarette filter having a core of synthetic fibrous filter material and an outer plug wrap is provided with a group of longitudinal bores and a group of peripheral channels in the core to improve...
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...
4972856 Cigarette filter suitable for being fitted in a cigarette  
A filter applicable to a cigarette and fitted therein by a user includes an elongated part fitted in a mouth provided in a cigarette and a flange which seals the cigarette mouth when the elongated...
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...
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....
4942887 Filter mouthpiece for a smoking article  
A filter mouthpiece for a smoking article comprises a rod end portion having a tube extending axially therethrough and a mouth end portion. The tube is open at each end and has perforations in its...
4896682 Cigarette filter rods and cigarettes incorporating such filter rods  
A cigarette filter rod comprising a filter element of fibrous material, the fibres of which extend longitudinally between a first end which is for attachment to a tobacco rod and a second end, and...
4877040 Cigarette holder with filter modifier, and related method  
The specification discloses a cigarette filter modifier and related method in which the pattern of tar and nicotine collection in a conventional cigarette filter is modified by the insertion into...
4867182 Temperature/humidity controlled valve for a smoking article  
A smoking article having a valve system for closing off the flow of smoke to the user in response to an increase in temperature or humidity. The valve system includes a plastic body with a hollow...
4856540 Cigarette filter modifier  
The specification discloses a cigarette filter modifier and related method in which the pattern of tar and nicotine collection in a conventional cigarette filter is modified by the insertion into...
4852590 Insertable cigarette smoke baffle for holders  
A baffle for filtering cigarette smoke is described. The baffle is inserted into commonly available cigarette holders. The cleansing and filtering action of the baffle system is augmented by the...
4838286 Smoking articles  
In a smoking article comprising a smoking rod and a mouthpiece, the rod may comprise a wrapped body, of particles of tobacco and/or other smoking material, of which body the packing density is in a...
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...
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...
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...
Matches 1 - 50 out of 241 1 2 3 4 5 >