Patents Assigned to ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.
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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: 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: 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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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