Patent application number | Description | Published |
20080216848 | Smoking article filter with annular restrictor and downstream ventilation - A smoking article includes a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end portion and a downstream end portion. The filter includes a ventilated cavity and a flow restrictor segment having an impermeable insert at least partially surrounded by a tubular segment of an air transmissive material upstream of the cavity. In an embodiment, the tubular segment at least partially defines the cavity. | 09-11-2008 |
20080216850 | Restrictor attachment for unfiltered smoking article - A smoking article having an unfiltered tobacco rod, a connector attach to the tobacco rod and a mouthpiece. The connector includes a cavity, a transverse partition within the cavity, the transverse partition having at least one orifice, and a plurality of ventilation passages positioned around an outer periphery of the connector. Each of the plurality of ventilation passages includes an inlet and an outlet to provide ventilation to the cavity. The mouthpiece is adapted to attach to a downstream end of the connector. | 09-11-2008 |
20080216851 | Smoking articles with restrictor and aerosol former - Provided is a smoking article including a smokeable filler with a high aerosol former content and a filter. Preferably, the smokeable filler includes about 4 wt % glycerin to about 35 wt % glycerin. The filter includes a cylindrical tube attached to the tobacco rod with tipping paper, a first filter segment at a location along said cylindrical tube adjacent and in a downstream relation to said tobacco rod, and a flow restricting filter segment at a location adjacent and in a downstream relation to the first filter segment. In an embodiment, the filter also includes a cavity adjacent and in a downstream relation to the flow restricting filter segment, and a ventilation zone at a location along the cavity including perforations that extend through the tipping paper and the cylindrical tube. Preferably, the ventilation zone is in a downstream relation to the flow restricting filter segment. | 09-11-2008 |
20080216853 | Smoking article with open ended filter and restrictor - A smoking article includes a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end and a downstream end, wherein the filter is arranged to receive mainstream smoke at the upstream end. The filter includes a tubular segment open at the downstream end thereof and a flow restrictor contained within the tubular segment. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location between the upstream end and the downstream end of the filter. | 09-11-2008 |
20110083675 | SMOKING ARTICLE WITH VALVED RESTRICTOR - A smoking article filter includes a valved flow restrictor and a cavity downstream of the flow restrictor. The flow restrictor includes an orifice or flow channel for directing smoke into the cavity. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location downstream of the restrictor. The valved restrictor can be used to isolate a sorbent bearing component of the filter from a flavor bearing component. | 04-14-2011 |
20110083687 | CIGARETTE FILTER TO REDUCE SMOKE DELIVERIES IN LATER PUFFS - A smoking article having a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end portion and a downstream end portion, and wherein the filter is arranged to receive mainstream smoke at the upstream end portion. The filter includes a first filter segment of low particulate efficiency at the upstream end portion; a channeled flow segment adjacent to the first filter segment, the channeled flow segment including a flow channel establishing a substantial portion of a predetermined resistance to draw of the smoking article; a mouthpiece filter segment of low particulate efficiency at the downstream end portion; and a tubular body segment at least partially defining a portion of a cavity between the mouthpiece filter and the channeled flow segment. Tipping paper attaches the filter with the tobacco rod and includes an air-admissible ventilation zone at a location along the tubular body segment. | 04-14-2011 |
20110100388 | SMOKING ARTICLE WITH A RESTRICTOR - A smoking article filter includes a flow restrictor and a cavity downstream of the flow restrictor. The flow restrictor includes an orifice or flow channel for directing smoke into the cavity. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location downstream of the restrictor. | 05-05-2011 |
20120318285 | ADDITIVES FOR TOBACCO CUT FILLER - Tobacco smoking mixtures capable of producing tobacco smoke are provided which reduce the cytotoxicity and/or mutagenicity of the tobacco smoke. The tobacco smoking mixtures include tobacco cut filler and glycerin in an amount effective to reduce cytotoxicity and/or mutagenicity of smoke produced by the tobacco smoking mixture. The tobacco smoking mixtures enable a further reduction in cytotoxicity and/or mutagenicity when glycerin is combined with palladium or salts of calcium and/or magnesium. | 12-20-2012 |
20130192621 | ELECTRONIC SMOKING ARTICLE - An electronic smoking article comprising an aerosol generator and a mechanical aerosol converter insert having the capacity to improve characteristics of aerosol produced by the aerosol generator, including sensory attributes. | 08-01-2013 |
20150020822 | ELECTRONIC SMOKING ARTICLE - An electronic smoking article includes a reservoir including a liquid aerosol formulation, a heater operable to at least partially volatilize the liquid aerosol formulation and form an aerosol and a spiral path insert including a channel having a spiral configuration along an outer periphery of the spiral path insert. A coating can be applied to the outer periphery of the spiral path insert. | 01-22-2015 |
20150020823 | LIQUID AEROSOL FORMULATION OF AN ELECTRONIC SMOKING ARTICLE - A liquid aerosol formulation for an electronic smoking article includes an aerosol former, water, nicotine, and an acid including tartaric acid. The acid is included in an amount sufficient to provide the liquid aerosol formulation with a pH ranging from about 4 to about 8. | 01-22-2015 |
20150027454 | ELECTRONIC SMOKING ARTICLE - An electronic smoking article includes a liquid aerosol formulation, a heater operable to at least partially volatilize the liquid aerosol formulation and form an aerosol and a tubular filter segment downstream of the heater. The tubular filter segment is operable to selectively filter aerosol particles and vapors from the aerosol. | 01-29-2015 |
20150027468 | ELECTRONIC SMOKING ARTICLE - An electronic smoking article includes a reservoir including a liquid aerosol formulation, a heater operable to at least partially volatilize the liquid aerosol formulation and form an aerosol, and a filter segment formed of polylactic acid fibers or a crimped polylactic acid film. The filter segment includes at least one additive and is positioned downstream of the heater. | 01-29-2015 |