By Adding Constituent To Smoke Stream Patents (Class 131/335)
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Patent number: 8550092Abstract: A filter for a cigarette comprises a porous filter rod (3) a material sheet (2) wrapped around the filter rod and a cellulose acetate thread (4) formed from substantially uncrimped cellulose acetate filaments. The cellulose acetate thread is positioned within the filter rod and extends along the central axis of the filter rod.Type: GrantFiled: June 27, 2008Date of Patent: October 8, 2013Assignee: British American Tobacco (Investments) LimitedInventors: John Roger Sampson, David Lewis
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Publication number: 20130220351Abstract: Immobilized diluents in a smoking article are provided, wherein diluents can be immobilized through absorption and/or adsorption of the diluents into immobilizing materials, such as sorbents like silica gels. By immobilizing diluents, the diluents can be available for vaporization, while still being protected from migration and/or loss of the diluents in a smoking article.Type: ApplicationFiled: March 11, 2013Publication date: August 29, 2013Applicant: PHILIP MORRIS USA INC.Inventor: Philip Morris USA Inc.
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Publication number: 20130220353Abstract: A method of producing flavor-releasing granules, includes adding ethanol, together with a plurality of flavorant compounds, to an aqueous solution containing a plurality of cyclodextrin compounds and conducting stirring to include the flavorant compounds within the cyclodextrin compounds, intermittently spraying the obtained aqueous solution onto hygroscopic core particles in a state of planetary motion to adhere the flavorant inclusion cyclodextrin compounds to the respective surfaces of the core particles.Type: ApplicationFiled: April 4, 2013Publication date: August 29, 2013Applicant: JAPAN TOBACCO INCInventor: JAPAN TOBACCO INC
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Publication number: 20130206152Abstract: A filter cigarillo comprises a bunch, which includes tobacco surrounded by a binder. A first section, different from a general bunch and providing some strengthening effect, is arranged at one end of the bunch. A natural-leaf wrapper surrounds the general bunch and the first section. A second section, which comprises filter material, is arranged downstream of the first section. The second section is connected to the natural-leaf wrapper by an outer tipping.Type: ApplicationFiled: July 20, 2010Publication date: August 15, 2013Applicant: IMPERIAL TOBACCO LTD.Inventors: Miguel Angel Garcia Urbano, Jorge Alonso Rueda, Regine Wolfgramm, Henning Seidel, Fabian Rieth
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Publication number: 20130206151Abstract: A filter (4) for a smoking article (10, 20, 30) comprises a flavour release segment (14) including a plurality of flavour granules. The flavour granules comprise a porous support material, a liquid flavourant, particles of plant material, and at least one binder. The plant material preferably comprises herbaceous material, more preferably herb leaf and most preferably peppermint leaf. The liquid flavourant preferably comprises at least one of: an essential oil, such as peppermint oil or spearmint oil; and natural or synthetic menthol.Type: ApplicationFiled: June 28, 2011Publication date: August 15, 2013Applicant: PHILIP MORRIS PRODUCTS S.A.Inventors: Clement Besso, Charles Kuersteiner
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Publication number: 20130192614Abstract: A process for producing a coated filter plug for a smoking article including: (a) incorporating an additive to a porous filter plug, thereby obtaining an impregnated filter plug; (b) coating a surface of the impregnated filter plug with a cross-linkable polymer material; and (c) cross-linking the cross-linkable polymer material, to form a cross-linked, breakable coating substantially enclosing the impregnated filter plug. The process may further include at least partially coating the impregnated filter plug with a cross-linking agent prior to, or subsequent to, coating with the cross-linkable polymer material.Type: ApplicationFiled: February 27, 2013Publication date: August 1, 2013Applicant: PHILIP MORRIS USA INC.Inventor: Philip Morris USA Inc.
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Patent number: 8459271Abstract: A non-combustion type flavor suction article includes a capsule enclosing a liquid flavor in a shell, leak-protection members sandwiching the capsule, a wrapping material made of a flavor-impermeable and heat-conducting material and wrapped around the capsule and the leak-protection members, and a mouthpiece connected to an end of the wrapping material.Type: GrantFiled: September 22, 2011Date of Patent: June 11, 2013Assignee: Japan Tobacco Inc.Inventor: Michihiro Inagaki
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Publication number: 20130140197Abstract: A smoking article (10) comprising a source of smokable material (11); and a sleeve (13) coupled to the source of smokable material and defining a chamber (15). The sleeve has a distal end configured to be movable relative to the source of smokable material. The smoking article (10) further comprises a smoke modifying agent releasable into the smoking article.Type: ApplicationFiled: March 14, 2011Publication date: June 6, 2013Applicants: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED, BRITISH AMERICAN TOBACCO JAPAN, LTD.Inventors: Richard Fiebelkorn, David Dittrich, Kevin Blick, Mike Simpson
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Patent number: 8408215Abstract: The invention concerns a filter making apparatus comprising: a filter material converging device, a flavor element positioning device comprising a passage element, the passage element comprising a passageway, a first inlet, a second inlet, and an outlet, the first inlet and second inlet being in fluid communication with the passageway, wherein the first inlet is adapted to pass a continuous strand of material into the passage element, wherein the second inlet is adapted to pass fluid into the passage element, and wherein the outlet is positioned at a point downstream from at least a portion of the filter material converging device, wherein the passage element is adapted to pass through the second inlet and into the filter material either the continuous strand of material from the first inlet, or fluid from the second inlet, or the continuous strand of material from the first inlet together with fluid from the second inlet.Type: GrantFiled: April 20, 2009Date of Patent: April 2, 2013Assignee: Philip Morris USA Inc.Inventors: Roberto Libbra, Fabio Cantieri
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Patent number: 8408216Abstract: Flavor carriers, smoking articles, method of making flavor carriers, methods of making smoking articles, methods of flavoring gas streams such as mainstream tobacco smoke and methods of smoking are provided. The flavor carriers and smoking articles comprise a mesoporous molecular sieve and a flavor releasably disposed within the sieve.Type: GrantFiled: December 22, 2004Date of Patent: April 2, 2013Assignee: Philip Morris USA Inc.Inventors: Zhaohua Luan, Diane L. Gee, Jay A Fournier, Kent B. Koller, Jose G. Nepomuceno
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Patent number: 8393333Abstract: Immobilized diluents in a smoking article are provided, wherein diluents can be immobilized through absorption and/or adsorption of the diluents into immobilizing materials, such as sorbents like silica gels. By immobilizing diluents, the diluents can be available for vaporization, while still being protected from migration and/or loss of the diluents in a smoking article.Type: GrantFiled: June 14, 2007Date of Patent: March 12, 2013Assignee: Philip Morris USA Inc.Inventors: Shuzhong Zhuang, Georgios D. Karles
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Patent number: 8381736Abstract: A method of preparing a rod for use in the preparation of a smoking article is described. The rod has a first end and a second end. The rod has located therein a solid support. The solid support extends in a linear fashion from the first end of said rod to the second end of said rod. At least a portion of said solid support is coated and/or impregnated with an additive. The rod is prepared using rod forming means, wherein said rod forming means comprises a channel ending in an open exit, wherein material may pass through at least part of the channel and leave via the open exit in the form of a rod.Type: GrantFiled: January 24, 2007Date of Patent: February 26, 2013Assignee: British America Tobacco (Investments) LimitedInventors: Peter Rex White, William David Lewis
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Publication number: 20130032161Abstract: A flow control device 4 for a smoking article comprises a body having first and second longitudinally arranged body portions 7, 10 rotatable relative to one another between a first position and a second position. The first 7 and second 10 body portions are configured to define a first smoke flow path through the device 4 in the first position and a second smoke flow path through the device 4 in the second position and to cause an adjustment to the direction of smoke flow upon rotation from the first position to the second position, thereby to allow smoke to pass through the second smoke flow path.Type: ApplicationFiled: January 25, 2011Publication date: February 7, 2013Applicant: Tobacco Research and Development Institute (Proprietary) LimitedInventor: Arnold Leslie Herholdt
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Patent number: 8322350Abstract: An aerosol generator device for delivering an aerosol of a nicotine salt is provided. The aerosol generator comprises: (i) a mouth end; (ii) a first chamber containing a porous material wetted with liquid nicotine, (iii) a second chamber containing a porous material wetted with a solution of a volatile acid, (iv) a third chamber in fluid communication with the first and second chambers, leading to the mouth end, and (v) an outer housing defining a passageway for air through said device. A nicotine vapor can be produced by drawing air along the passageway and through the porous material wetted with liquid nicotine. An acid vapor can be produced by passing air along the passageway and through the porous material wetted with a solution of a volatile acid. Then, the nicotine vapor and the acid vapor can be admixed in the third chamber to form an aerosol of a nicotine salt, which can be drawn out through the mouth end.Type: GrantFiled: December 14, 2005Date of Patent: December 4, 2012Assignee: Philip Morris USA Inc.Inventor: Peter Lipowicz
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Publication number: 20120291792Abstract: There is provided a tobacco smoke filter (1) or filter element comprising: a rod (2) of a tobacco smoke filtering material; a continuous extruded element (7) extending longitudinally of the rod (2); and a flavouring agent.Type: ApplicationFiled: November 11, 2010Publication date: November 22, 2012Inventors: Ann R. Treadaway, James D. Reed, Stephen Longley-Martines
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Publication number: 20120272977Abstract: A smoking article such as a filter cigarette includes a rotary flow control device (2) in its filter assembly that comprises first, second and third body portions (3, 4, 5). The first body portion (1) contains a plug (6) of filter material and is attached to a tobacco rod (1). The second portion (4) contains different smoke flavourants in different sectors (18), which can be aligned by manual rotation individually with a smoke flow passageway (13, 35) to impart different flavours to the smoke that passes to the mouth of the consumer. The second body portion (4) is rotated through the agency of the third body portion (5). First and second ratchet mechanisms (14,19; 20, 24) are disposed between the second body portion (4) and the first and third body portions respectively to allow assured rotation of the second portion to select individual flavourants for the smoke passing to the consumer.Type: ApplicationFiled: October 15, 2010Publication date: November 1, 2012Inventor: Gerhard Malan Le Roux
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Publication number: 20120260928Abstract: A fluid release mechanism for a smoking article comprises two longitudinally arranged parts (2,3), rotatable relative to one another from a first to a second position, a space to receive a fluid- containing member (4,5) and a contacting member (6,7) for contacting the fluid containing member in the second position, wherein the contacting member is arranged so that rotating from the first position to the second position causes relative angular movement between the contacting member and said space which causes the contacting member to enter the space for contacting and rupturing the fluid- containing member, thereby to release fluid.Type: ApplicationFiled: December 13, 2010Publication date: October 18, 2012Applicant: TOBACCO RESEARCH AND DEVELOPMENT INSTITUTE (PROPRIETARY) LIMITEDInventor: Arnold Leslie Herholdt
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Patent number: 8286642Abstract: Improved delivery of additive materials to mainstream smoke produced by smoking articles is provided through the use of a temperature sensitive powder containing an additive material, such as a flavor component, in a smoking article such as a cigarette. The temperature sensitive powder is subjected to heat which causes the temperature sensitive powder to release at least a portion of the additive material into mainstream smoke. The temperature sensitive powder encapsulates the additive materials and other portions of the smoking articles, such as sorbents or filter materials, in order to reduce additive material migration during storage.Type: GrantFiled: September 14, 2009Date of Patent: October 16, 2012Assignee: Philip Morris USA Inc.Inventors: Beverley C. Woodson, Deborah J. Newman
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Patent number: 8240315Abstract: A smoking article, which provides lower amounts of total particulate matter in a latter portion of its puff count, includes a cylinder of smoking material, a combustible hollow tube within the cylinder of smoking material, and a heat sink at a downstream end of the hollow tube. The smoking article also includes a filter system attached to the cylinder of smoking material having a sorbent material and at least one downstream segment of filtering material.Type: GrantFiled: December 20, 2006Date of Patent: August 14, 2012Assignee: Philip Morris USA Inc.Inventors: Raquel M. Olegario, Mike Braunshteyn, Gail Yoss, Jim Lyons-Hart
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Publication number: 20120192881Abstract: The invention relates to the influencing of “flavour/smell” of cigarette while smoking, by injecting additives to the cigarette, at the filter side or the tobacco side, using a device specially designed for this purpose. The user controls the cigarette taste, intensity of taste, and the smell by choosing the liquid material and quantity to be injected into the cigarette before or while smoking. The invention is intended to improve the experience of smoking of any desired cigarette.Type: ApplicationFiled: January 30, 2012Publication date: August 2, 2012Inventor: Abraham Dahan
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Publication number: 20120186593Abstract: A multi-component filter for tobacco smoke and the like comprises a mouthpiece section and two filter sections respectively containing conventional filtration material and scented filtration material in the form of porous scented paper adapted to disguise the odor of the smoke with a fresh clean odor. The sections are telescopically assembled with small spring clips co-operating with annular grooves for releasable connection of the same.Type: ApplicationFiled: January 24, 2011Publication date: July 26, 2012Inventors: Anthony Albert Grano, David J. Grano
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Patent number: 8205621Abstract: A smoking device configured for controlling smoke/ambient air ratio for use by a user, the smoking device comprising a cigarette holder having a first passage, wherein the first passage includes a receiver portion and an exit portion. The smoking device further comprises a mouthpiece having a second passage and a third passage, wherein the first passage is fluidly connected to the second passage at the exit portion of the first passage. The third passage is normally unenclosed when not in use and becomes enclosed as a result of cooperation between the mouthpiece and a user's mouth and smoke generated from said cigarette is configured to be drawn through the first and second passages at a first flowrate and ambient air is configured to be drawn through the third passage at a second flowrate, into the user's mouth.Type: GrantFiled: December 6, 2011Date of Patent: June 26, 2012Inventor: Wayne Seeley
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Patent number: 8201564Abstract: Fibrous material suitable for incorporation into filter elements of smoking articles such as cigarettes are impregnated with additives and agents such as flavorants, flavorant-enhancers and/or free radical scavengers. The fibrous material is contacted with the additive dispersed in a high pressure gas or supercritical fluid (SCF) held at elevated pressures. The high pressure gas or SCF swells the fibrous matrix and enables the additive to be incorporated within the matrix. When pressure is reduced, the gas or SCF vaporizes and leaves the additive embedded in the fiber interstices. As a result, the additive is slowly released over a finite period of time. When incorporated into a cigarette filter, the additive is released at a desired rate from the interior of the fibrous filter into the cigarette smoke.Type: GrantFiled: December 4, 2006Date of Patent: June 19, 2012Assignee: Philip Morris USA Inc.Inventors: Mark A. McHugh, Georgios Karles, Diane Gee, Joseph L. Banyasz, Zhihao Shen, Munmaya K. Mishra
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Patent number: 8157918Abstract: Cigarettes are provided which contain a filtering system and flavorants encapsulated with polyvinyl acetate, wherein deactivation of a sorbent by the flavorant is reduced through the encapsulation of the flavorant within the polyvinyl acetate. A preferred flavorant is menthol. The encapsulated flavorants are prepared by mixing at least one flavorant with polyvinyl acetate and a solvent, such as ethanol, and forming the encapsulated flavorants. Methods of making cigarettes and smoking the articles are also provided.Type: GrantFiled: September 26, 2006Date of Patent: April 17, 2012Assignee: Philip Morris USA Inc.Inventors: Ulrike Becker, Tony Howell, Lixin Xue, Georgios D. Karles, Jay A Fournier
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Publication number: 20120080043Abstract: An apparatus for making an object assembly for use in the manufacture of smoking articles comprises a conveyance path for conveying an elongate member and a delivery mechanism configured to deliver objects onto the elongate member conveyed along the path such that a plurality of rows of objects are formed along the length thereof.Type: ApplicationFiled: March 31, 2010Publication date: April 5, 2012Inventors: Rene Naenen, Karl Kaljura
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Patent number: 8141559Abstract: The invention describes a filter (1) with a first filter portion (6) comprising an adsorbent, for example carbon, and/or a catalyst, capable of reducing various vapor phase constituents of cigarette smoke. The adsorbent/catalyst is separated from a second filter portion by means of a barrier (2) having pores therein of pore size less than 0.1 ?m. The invention also describes a smoking article in which a rod of smoking material, with or without encapsulated flavor, is attached to the above described filter.Type: GrantFiled: July 9, 2004Date of Patent: March 27, 2012Assignee: British American Tobacco (Investments) LimitedInventors: Peter James Branton, Philip Richard Hunt
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Publication number: 20120055496Abstract: Filter for a smoking product (1), comprising a first filter segment (2) and a second filter segment (3), wherein the first filter segment (2) comprises a component that is given off into a smoke stream passing through a filter outlet opening (4), and the second filter segment (3) comprises a sorption means (6) that absorbs a component from a smoke stream passing through the filter inlet opening (5).Type: ApplicationFiled: November 4, 2009Publication date: March 8, 2012Inventors: Horst Grzonka, Markus Schosnig, Eduard Nica, Paulo Oliveira, John Richardson, Martin Graham Duke, Maya Nikolaeva
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Publication number: 20120037172Abstract: A filter component for a smoking article includes an upstream segment of filter material, a downstream segment of filter material in a spaced apart relation to the upstream segment of filter material so as to define a cavity therebetween, and a flavor bead disposed in the cavity. The flavor bead has an outer diameter, which is at least 75% of the spaced apart relation of the upstream segment of filter material and the downstream segment of filter material. The outer diameter of the flavor bead does not exceed an outer diameter of either the upstream or downstream segments of filter material.Type: ApplicationFiled: March 25, 2011Publication date: February 16, 2012Applicant: Philip Morris USA Inc.Inventors: Jeffrey Lynn Allen, Dwight D. Williams, Herbert Carrington Longest, JR., Robert E. Lee
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Publication number: 20120037171Abstract: A method for providing an encapsulated flavorant or chemesthetic agent in a smoking article includes forming an emulsion including: (i) a first aqueous solution, comprising one or more cross-linkable polysaccharides; and (ii) a hydrophobic additive comprising one or more flavorants or chemesthetic agents. The method also includes extruding the emulsion into a second aqueous solution in the form of an elongated structure, cross-linking at least a portion of the one or more cross-linkable polysaccharides, removing the cross-linked elongated structure from the second aqueous solution, introducing the cross-linked elongated structure into a filter, or into a rod including a smoking composition, or both; and forming the filter or the rod of the smoking composition into a smoking article. The method can include a drying step.Type: ApplicationFiled: March 25, 2011Publication date: February 16, 2012Applicant: Philip Morris USA Inc.Inventors: Shuzhong Zhuang, Yi Zeng, Georgios D. Karles
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Patent number: 8113215Abstract: Provided are filters including at least one impervious additive containing tube. A barrier, such as a liquid barrier, seals each end of the tube so as to contain additives, such as a liquid additive, within the additive containing tube. The one or more additive containing tubes are inserted into filters for smoking articles. Drawing action during a puff causes breach of the barrier and release of the additive into the surrounding filter material.Type: GrantFiled: June 20, 2008Date of Patent: February 14, 2012Assignee: Philip Morris USA Inc.Inventors: Firooz Rasouli, Andrey Bagreev, Weijun Zhang
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Publication number: 20120024302Abstract: A filter for a smoking article such as a cigarette is provided comprising a body of smoke filtering material (1) and having a thread (5) incorporated therein. The thread is composed of material derived from a plant containing a naturally occurring tobacco flavorant.Type: ApplicationFiled: October 14, 2009Publication date: February 2, 2012Inventor: John Richardson
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Publication number: 20110277781Abstract: A multicomponent smoking article filter adapted to be disposed at the non-burning end of the rod of smokable material, comprising: a first plug; a second plug; a first cavity disposed between the first plug and the second plug, wherein the first cavity comprises: (1) a plurality of cellulosic granules containing a flavorant, and (2) either a plurality of cellulosic granules containing a humectant, or containing water, or a combination thereof; and a second cavity comprising a sorbent disposed upstream from the first cavity relative to the direction of mainstream smoke drawn through the filter.Type: ApplicationFiled: March 25, 2011Publication date: November 17, 2011Applicant: Philip Morris USA Inc.Inventor: David Clark
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Publication number: 20110259352Abstract: A smoking article can comprise a rod of smokeable material and a first sheet material comprising at least one diluent. The diluent is present in an amount effective to dilute emissions from the rod of smokeable material during combustion.Type: ApplicationFiled: September 21, 2009Publication date: October 27, 2011Inventors: Dominic Woodcock, Edward Dennis John, Martin Coleman
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Patent number: 8042551Abstract: A double wrapper cigarette produced by a manufacturing machine and method according to the invention includes an inner wrapper (6) wrapped around a rod-like filler including a tobacco material, an outer wrapper (8) surrounding the inner wrapper (6), and a perfume emitting layer (10) provided between the inner wrapper (6) and the outer wrapper (8). The perfume emitting layer (10) includes a perfume material for weakening odor of sidestream smoke of the cigarette.Type: GrantFiled: February 5, 2004Date of Patent: October 25, 2011Assignee: Japan Tobacco Inc.Inventors: Hiromi Tabuchi, Masaomi Fukamachi, Hidetoshi Okuyama
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Publication number: 20110240046Abstract: A cigarette filter includes a filter body and flavor granules added to the filter body, wherein the flavor granules each comprise a core material and a flavor-carrying carrier adhered to the surface of the core material, and wherein the flavor granules have a grain size distribution such that granules having a grain size of 100 ?m or larger make up 99% by mass or more of the flavor granules and granules having a grain size of 200 ?m or larger make up 70% by mass or more of the flavor granules.Type: ApplicationFiled: June 16, 2011Publication date: October 6, 2011Inventors: Takashi HASEGAWA, Hiroyuki Torai
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Patent number: 7997282Abstract: A smoking article such as a cigarette comprises a tobacco rod and a filter component having a cavity filled with spherical beaded carbon. As mainstream tobacco smoke is drawn through the filter component, targeted gas phase smoke constituents are removed as the smoke passes through the carbon. During the filter manufacturing process the spherical beaded carbon flows like a liquid and substantially completely fills the cavity. Point-to-point contact between the spherical beads together with substantially complete filling of the cavity produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads during smoking.Type: GrantFiled: October 31, 2007Date of Patent: August 16, 2011Assignee: Philip Morris USA Inc.Inventors: John B. Paine, III, Zuyin Yang, Kent B. Koller, Jay A. Fournier, Charles E. Thomas, Jr., Timothy S. Sherwood, Zhaohua Luan, Shuzhong Zhuang, Jose G. Nepomuceno, Diane L. Gee, Georgios D. Karles
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Patent number: 7946294Abstract: Smoking articles, such as cigarettes and cigarette filters, methods of manufacturing smoking articles including sealed filters, and methods of treating tobacco smoke are provided. In one exemplary embodiment, a smoking article contains sealed filters, wherein additives are sealed within the sealed filters.Type: GrantFiled: December 18, 2007Date of Patent: May 24, 2011Assignee: Philip Morris USA Inc.Inventor: Timothy S. Sherwood
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Patent number: 7914622Abstract: A smoking article includes a cylinder of smoking material having at least one hollow tube having a heat conductive wall within the cylinder of smoking material and a filter system attached to the cylinder of smoking material. The filter system includes an adsorbent material therein. The at least one hollow tube extends from within the cylinder of smoking material through the adsorbent material. At least one flavorant material is retained within the at least one hollow tube, and upon exposure to heat from the heat conductive wall of the hollow tube the flavorant material releases a flavorant.Type: GrantFiled: December 19, 2006Date of Patent: March 29, 2011Assignee: Philip Morris USA Inc.Inventors: Lixin Xue, Liqun Yu, Shuzhong Zhuang, Georgios D. Karles, Kent B. Koller
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Publication number: 20110036367Abstract: A smoking article includes an aerosol-generating section and a filter section attached to the aerosol-generating section. The filter section contains a plurality of flavor-releasing particles each containing a water-soluble matrix containing a flavor component. The plurality of flavor-releasing particles has respective particle diameters ranging from 1 to 100 ?m and has an average particle diameter of 20 ?m or less.Type: ApplicationFiled: October 28, 2010Publication date: February 17, 2011Inventors: Yutaka SAITO, Michihiro Inagaki
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Patent number: 7866324Abstract: A cigarette having a multi-component filter wherein an upstream sorbent removes at least one constituent from mainstream tobacco smoke passing through the filter and a downstream flavor segment compensates for taste lost to the sorbent. The flavor component includes cellulosic flavor bearing granules which release volatile flavor constituents into the mainstream smoke under ambient conditions. The cellulosic granules include microcrystalline cellulose or other cellulosic material which can be formed into a paste with the flavor additive, extruded and spheronized to form the flavor granules.Type: GrantFiled: February 3, 2006Date of Patent: January 11, 2011Assignee: Philip Morris USA Inc.Inventors: Richard Jupe, Rowland W. Dwyer, Donald E. Laslie, Arlington L. Finley, Barbara G. Taylor, Cecil M. Smith, Vivian E. Willis
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Patent number: 7856989Abstract: Fibrous structures composed of electrostatically prepared polysaccharide micro- and nanofibers are described which contain active agents such as drugs and/or flavorants encapsulated within the structures. When exposed to moisture, the structures are disrupted and the active agent rapidly released. The fibrous structures containing active agents such as flavorants can be incorporated into smoking articles which, when smoked, release the flavorants.Type: GrantFiled: December 21, 2005Date of Patent: December 28, 2010Assignee: Philip Morris USA Inc.Inventors: Georgios D. Karles, Diane Gee, John Layman
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Patent number: 7793665Abstract: A filtered cigarette possesses at least one breakable capsule in its filter element. The filter element can possess a central cavity extending from the cigarette tobacco rod towards the middle of the filter element. The central cavity may be defined by an inner filter portion. The inner filter portion can be surrounded by an outer filter portion comprised of filter tow material that is generally permeable to the smoke generated by the cigarette. At least one breakable capsule is disposed in the central cavity of the filter element. The breakable capsules are spherical in shape, and are composed of a gelatin outer shell that encloses a payload of triglycerides and flavoring agents. The breakable capsules are adapted to rupture in response to pressure applied by the smoker to the outside region of the filter element.Type: GrantFiled: August 14, 2006Date of Patent: September 14, 2010Assignee: R.J. Reynolds Tobacco CompanyInventors: Michael Francis Dube, Kenneth Wayne Smith, Vernon Brent Barnes
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Patent number: 7784471Abstract: A smoking article such as a cigarette comprises a tobacco rod and a filter component having a cavity filled with spherical beaded carbon. As mainstream tobacco smoke is drawn through the filter component, targeted gas phase smoke constituents are removed as the smoke passes through the carbon. During the filter manufacturing process the spherical beaded carbon flows like a liquid and substantially completely fills the cavity. Point-to-point contact between the spherical beads together with substantially complete filling of the cavity produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads during smoking.Type: GrantFiled: April 11, 2006Date of Patent: August 31, 2010Assignee: Philip Morris USA Inc.Inventors: John B. Paine, III, Zuyin Yang, Kent B. Koller, Jay A. Fournier, Charles E. Thomas, Jr., Timothy S. Sherwood, Zhaohua Luan, Shuzhong Zhuang, Jose G. Nepomuceno, Diane L. Gee, Georgios D. Karles
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Patent number: 7784470Abstract: A smoking article such as a cigarette comprises a tobacco rod and a filter component having a cavity filled with spherical beaded carbon. As mainstream tobacco smoke is drawn through the filter component, targeted gas phase smoke constituents are removed as the smoke passes through the carbon. During the filter manufacturing process the spherical beaded carbon flows like a liquid and substantially completely fills the cavity. Point-to-point contact between the spherical beads together with substantially complete filling of the cavity produces minimal channeling of ambulatory gas phase as well as maximum contact between the gas phase and the carbon surface of the spherical beads during smoking.Type: GrantFiled: January 9, 2003Date of Patent: August 31, 2010Assignee: Philip Morris USA Inc.Inventors: John B. Paine, III, Zuyin Yang, Kent B. Koller, Jay A. Fournier, Charles E. Thomas, Jr., Timothy S. Sherwood, Zhaohua Luan, Shuzhong Zhuang, Jose M. G. Nepomuceno, Diane L. Gee, Georgios D. Karles
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Patent number: 7766019Abstract: A smoking cessation device is provided. The smoking cessation device includes a dispensing member comprising porous plastic defining a matrix of an internal network of passages in communication with pores on the exterior of the device. The device is preferably sized and structured like a cigarette or other combustible smoking device. Residing within the matrix is a dispensate extractable therefrom upon exposure to a fluid. In one form the dispensate may be a tobacco derivative including one or more of nicotine, tobacco flavoring, menthol, vitamins, minerals, therapeutic agents, and/or additional flavoring.Type: GrantFiled: July 21, 2006Date of Patent: August 3, 2010Assignee: GP Technologies, Inc.Inventor: Robert S. Luzenberg, Jr.
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Patent number: 7740019Abstract: Filter rods for use in the manufacture of cigarette filter elements are provided, with each rod having a longitudinal axis and incorporating a generally longitudinally extending filter material and a generally longitudinally extending strand within that filter material. A filter making unit receives a continuous supply of a filter material, and forms the filter material into a gathered composite having a continuous cylindrical shape. A continuous supply of a strand (e.g., colored thread) is provided and is introduced into the filter material gathered composite in the tongue of the filter making unit. The filter material and continuous strand positioned therein are formed into a continuous rod having the strand material laterally positioned within that rod, and the continuous rod is subdivided at pre-determined longitudinal intervals to provide a plurality of rod portions.Type: GrantFiled: August 2, 2006Date of Patent: June 22, 2010Assignee: R.J. Reynolds Tobacco Company, Inc.Inventors: John Larkin Nelson, Vernon Brent Barnes, Louis John Read, Jr., Brent Walker Carter
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Patent number: 7661432Abstract: A cigarette filter is characterized in that sesame lignan (which is at least one selected from the group consisting of sesamin, sesamol, sesaminol, sesamolinol, sesamolin and pinoredinol) is added to the filter.Type: GrantFiled: October 6, 2005Date of Patent: February 16, 2010Assignee: Japan Tobacco Inc.Inventor: Kiyoshi Hosono
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Patent number: 7647932Abstract: A smoking article, such as a cigarette, includes a lighting end and a mouth end. The lighting end is a longitudinally extending segment comprising smokable material that is intended to be lit and burned, and the resulting smoke generated by the burning of that smokable material is intended to be drawn into the mouth of the smoker through the mouth end of smoking article. A mouth end piece is located at the mouth end of the smoking article, and the mouth end piece allows the smoking article to be placed in the mouth of the smoker to be drawn upon. The smoking article further incorporates an aerosol-generation system that is located between the lighting end segment and the mouth end piece. The aerosol-generation system includes (i) a heat generation segment located adjacent to the lighting end segment, and (ii) an aerosol-generation region located between the heat generation segment and the mouth end piece. The aerosol-generation region incorporates an aerosol-forming material (e.g., glycerin and flavors).Type: GrantFiled: August 1, 2005Date of Patent: January 19, 2010Assignee: R.J. Reynolds Tobacco CompanyInventors: Daniel V. Cantrell, William J. Casey, III, Evon L. Crooks, Billy T. Conner, Joanne N. Taylor, Jeffrey A. Willis, Dempsey B. Brewer, Jr., Wayne E. Davis, Jr., James R. Stone
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Patent number: 7546839Abstract: A colored smoke module is disclosed that is mountable to at least a portion of a cigarette or other smoking device. The colored smoke module produces colored smoke when burned. Further, the colored smoke module is user mountable to a cigarette or other smoking device.Type: GrantFiled: April 8, 2005Date of Patent: June 16, 2009Inventor: Gal Markel
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Publication number: 20090044816Abstract: Provided is a smoking article including a filter, tobacco, and a carbon dioxide charge. The carbon dioxide charge provides increased levels of carbon dioxide during smoking to enhance the taste and sensorial smoking experience.Type: ApplicationFiled: August 14, 2008Publication date: February 19, 2009Applicant: Philip Morris USA Inc.Inventors: Firooz Rasouli, Andrey Bagreev, Weijun Zhang