Patents Assigned to By-Products Development Co.
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Patent number: 11918035Abstract: A stand alone tobacco smoke filter or filter element for use with a smoking article comprising a wrapper engaged around a longitudinally extending core of tobacco smoke filtering material, wherein at least one end of the wrapper extends beyond the end of the core around which it is engaged, to define a cavity at the end of the filter which faces the smoking article in use.Type: GrantFiled: August 28, 2019Date of Patent: March 5, 2024Assignee: Filtrona Filter Products Development Co. Pte. Ltd.Inventors: Paul Francis Clarke, Ahmad Fashihul Lisan
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Patent number: 11812780Abstract: A tobacco smoke filter or filter element comprising: a rod of a tobacco smoke filtering material; and an elongate member including one or more frangible receptacles integrally formed therein, the or each receptacle(s) including a fluid and being sealed by a capping member.Type: GrantFiled: March 10, 2021Date of Patent: November 14, 2023Assignee: Filtrona Filter Products Development Co. Pte. Ltd.Inventors: James D. Reed, Roy Alingalan
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Patent number: 11737490Abstract: A mouthpiece or filter element comprising a longitudinally extending hollow rod of filtering material having inner and outer surfaces, the inner surface defining at least one longitudinally extending channel which extends along the full length of the mouthpiece or filter element, wherein the distance between the inner and outer surfaces is 1 mm or less, wherein the filtering material of the mouthpiece or filter element comprises a plasticiser, wherein the amount of plasticiser present in the filtering material is less than 21.5%.Type: GrantFiled: December 20, 2018Date of Patent: August 29, 2023Assignee: Essentra Filter Products Development Co. Pte. Ltd.Inventors: Paul Melia, Andorn Meesreedee, Suwit Prommetta, Noppon Verachiowchanchai, Patrick Meredith
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Patent number: 11678697Abstract: A tobacco smoke filter or filter element comprising a stiff outer wrapper engaged around a downstream thermoformed core of tobacco smoke filtering material and a further core longitudinally aligned therewith; the downstream thermoformed core having a profiled outer surface which defines with the stiff outer wrapper at least one longitudinally extending channel which extends the length of the downstream core.Type: GrantFiled: July 31, 2013Date of Patent: June 20, 2023Assignee: Essentra Filter Products Development Co. Pte. Ltd.Inventors: Ahmad Fashihul Lisan, Roy Alingalan, Pakorn Aewskulrat
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Publication number: 20220378088Abstract: There is disclosed a mouth piece, filter element or cooling element 100 comprising: a longitudinally extending core of filtering material 102; one or more channels 104 extending longitudinally from an end of the core 102; wherein the or each channel 104 has a non-circular transverse cross section which varies in the longitudinal direction by rotating about a longitudinal axis I of the mouth piece, filter element or cooling element 100.Type: ApplicationFiled: November 6, 2020Publication date: December 1, 2022Applicant: Essentra Filter Products Development Co. PTE. LtdInventors: Michael GREGG, Arief RAHMAN, Rosi Ana QOLBI, Sudirman WIDIARTO, Wuryanto BAKIN, Sulistyo WIDODO
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Patent number: 11134718Abstract: The present invention relates to smoking articles, for example electronic cigarettes (h referred to as “e-cigarettes”), and fluid reservoirs for use therewith or therein.Type: GrantFiled: March 26, 2015Date of Patent: October 5, 2021Assignee: Essentra Filter Products Development Co. Pte. LtdInventors: James Reed, Jian Xiang
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Patent number: 10952464Abstract: A tobacco smoke filter or filter element comprising: a rod (2) of a tobacco smoke filtering material; and an elongate member (3) including one or more frangible receptacles (5) integrally formed therein, the or each receptacle (s) including a fluid and being sealed by a capping member (7).Type: GrantFiled: November 24, 2011Date of Patent: March 23, 2021Assignee: Filtrona Filter Products Development Co. Pte. Ltd.Inventors: James D. Reed, Roy Alingalan
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Patent number: 10939701Abstract: A tobacco smoke filter or filter element including a longitudinally extending core of tobacco smoke filtering material of circumference 14 to 17 mm which includes a channel which extends longitudinally from an end of the core; wherein the core further includes a plasticiser in an amount of 17 to 19% by weight of the tobacco smoke filtering material.Type: GrantFiled: June 12, 2014Date of Patent: March 9, 2021Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTDInventors: Ahmad Fashihul Lisan, Roy Alingalan, Sulistyo Widodo, Antony Mccormack
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Patent number: 10897928Abstract: A mouthpiece for a smoking device is provided. The mouthpiece comprises a porous substrate. The porous surface comprises a wall having an outer surface having an outer cross-sectional shape and an inner surface having an inner cross-sectional shape. The inner surface defines a hollow interior space. A wall thickness is defined by the outer and inner surfaces. The porous substrate has a specific hardness of at least about 1.5 hardness % per weight (g) per length (mm) of the porous substrate. The porous substrate has a porosity of about 50% to about 70%. The inner and outer surfaces provide a wall thickness of about 20% to 60% of an area defined by the outer cross-sectional shape.Type: GrantFiled: June 29, 2016Date of Patent: January 26, 2021Assignee: Essentra Filter Products Development Co Pte. Ltd.Inventors: Qiang Zhou, David B. Harris, Thomas E. Harris, Tom Beaudet
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Publication number: 20200397037Abstract: A mouthpiece or filter element comprising a longitudinally extending hollow rod of filtering material having inner and outer surfaces, the inner surface defining at least one longitudinally extending channel which extends along the full length of the mouthpiece or filter element, wherein the distance between the inner and outer surfaces is 1 mm or less, wherein the filtering material of the mouthpiece or filter element comprises a plasticiser, wherein the amount of plasticiser present in the filtering material is less than 21.5%.Type: ApplicationFiled: December 20, 2018Publication date: December 24, 2020Applicant: Essentra Filter Products Development Co. Pte. Ltd.Inventors: Paul MELIA, Andorn MEESREEDEE, Suwit PROMMETTA, Noppon VERACHIOWCHANCHAI, Patrick MEREDITH
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Patent number: 10779564Abstract: 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: GrantFiled: November 11, 2010Date of Patent: September 22, 2020Assignee: FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTDInventors: Ann R. Treadaway, James D. Reed, Stephen Longley-Martines
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Patent number: 10730688Abstract: A particulate material dispenser including a longitudinally extending body having a longitudinally extending base element; a tubular element extending longitudinally from the base element such that an inner wall of the tubular element defines a first cavity; a capping element which is distanced longitudinally from an end of the tubular element; a common outer wrapper which is engaged around the base element, the tubular element and the capping element, the inner wall of the common outer wrapper defining a second cavity between the tubular element and the capping element; and snuff within both the first cavity and the second cavity. The base element and/or the tubular element is porous.Type: GrantFiled: June 2, 2014Date of Patent: August 4, 2020Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTDInventors: James Reed, Paul Clarke, Evgenia Menon, Gary Fulcher, Lee O'Donovan
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Patent number: 10390560Abstract: An insert comprising a substrate and a flavoring agent, wherein the flavoring agent is present in an amount from 50 to 500 mg per cm3 volume of the substrate. The insert is used for introducing a flavor, or increasing the level of flavor applied, to one or more smoking articles in a package of smoking articles, by enclosing the insert within such a package.Type: GrantFiled: December 19, 2011Date of Patent: August 27, 2019Assignee: Filtrona Filter Products Development Co. Pte. Ltd.Inventor: Paul F. Clarke
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Patent number: 10266287Abstract: Processes for the manufacture of dispensers for an agent, for example, a therapeutic agent, for example a particulate therapeutic agent or a particulate foodstuff or snuff. The processes comprise the steps of continuously advancing, longitudinally, a flow of longitudinally extending dispensers and wrapping these dispensers by a common product wrapper. The dispensers comprise at least a base element (72), a cylindrical tubular element (73) with a cavity (74), a capping element (76) and a common outer wrapper (77).Type: GrantFiled: June 2, 2014Date of Patent: April 23, 2019Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTDInventors: Gary Fulcher, James Reed
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Patent number: 9872517Abstract: A tip for a smoking article such as a cigar is disclosed. The tip comprises a longitudinally extending element comprising a plurality of bicomponent fibers which define at least one channel extending longitudinally of the element.Type: GrantFiled: October 22, 2013Date of Patent: January 23, 2018Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.Inventors: James D. Reed, Bennett C. Ward
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Patent number: 9867395Abstract: A method for assessing the acceptability of product filter rods, filters or filter elements which include a longitudinally extending core of filtering material including a longitudinal channel extending from an end of the core.Type: GrantFiled: June 29, 2016Date of Patent: January 16, 2018Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.Inventor: Chaiyot Kraisuwannasarn
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Patent number: 9730469Abstract: The invention provides a method of producing a tobacco smoke filter or filter element comprising: • heat treating a continuously advancing longitudinally extending strand of material; • cooling the heat treated continuously advancing strand; and • forming a longitudinally extending outer layer of tobacco smoke filtering material around the continuously advancing strand, to form a continuously advancing rod comprising a longitudinally extending strand (1a) of material and a longitudinally extending outer layer (2a) of tobacco smoke filtering material engaged around the longitudinally extending strand (1a). An apparatus for carrying out the method, and products of the method, are also provided.Type: GrantFiled: February 7, 2013Date of Patent: August 15, 2017Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.Inventors: Ahmad Fashihul Lisan, Sudirman Widiarto
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Publication number: 20170105450Abstract: The present invention relates to smoking articles, for example electronic cigarettes (h referred to as “e-cigarettes”), and fluid reservoirs for use therewith or thereinType: ApplicationFiled: March 26, 2015Publication date: April 20, 2017Applicant: Essentra Filter Products Development Co. Pte. Ltd.Inventors: James REED, Jian XIANG
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Patent number: 9402416Abstract: A method for assessing the acceptability of product filter rods, filters or filter elements which include a longitudinally extending core of filtering material including a longitudinal channel extending from an end of the core.Type: GrantFiled: October 10, 2013Date of Patent: August 2, 2016Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.Inventor: Chaiyot Kraisuwannasarn
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Publication number: 20140273580Abstract: An apparatus for providing dual metal to metal seals for sealing tubing encapsulated conductors or hydraulic tubing is disclosed. The apparatus utilizes a unitary, metal seal body that provides an external sealing surface for a first metal to metal seat and an extended portion that energizes a second metal to metal seal. The unitary metal seal body may have a forward end, a midsection, a back end, and an internal passageway proceeding from the back end through the forward end for receiving a tubing encapsulated conductor or hydraulic tubing. The unitary, metal seal body may utilized together in a system with a forward nut, a rear nut, an electrical or tubing connection housing, and three metal ring seals.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: KEMLON PRODUCTS & DEVELOPMENT CO., LTD.Inventors: Chris S. Ring, Russell K. Ring, Matt A. Jannise