Patents Assigned to ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.
  • Patent number: 10939701
    Abstract: 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: Grant
    Filed: June 12, 2014
    Date of Patent: March 9, 2021
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
    Inventors: Ahmad Fashihul Lisan, Roy Alingalan, Sulistyo Widodo, Antony Mccormack
  • Patent number: 10730688
    Abstract: 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: Grant
    Filed: June 2, 2014
    Date of Patent: August 4, 2020
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
    Inventors: James Reed, Paul Clarke, Evgenia Menon, Gary Fulcher, Lee O'Donovan
  • Patent number: 10266287
    Abstract: 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: Grant
    Filed: June 2, 2014
    Date of Patent: April 23, 2019
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
    Inventors: Gary Fulcher, James Reed
  • Patent number: 9872517
    Abstract: 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: Grant
    Filed: October 22, 2013
    Date of Patent: January 23, 2018
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.
    Inventors: James D. Reed, Bennett C. Ward
  • Patent number: 9867395
    Abstract: 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: Grant
    Filed: June 29, 2016
    Date of Patent: January 16, 2018
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.
    Inventor: Chaiyot Kraisuwannasarn
  • Patent number: 9730469
    Abstract: 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: Grant
    Filed: February 7, 2013
    Date of Patent: August 15, 2017
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.
    Inventors: Ahmad Fashihul Lisan, Sudirman Widiarto
  • Patent number: 9402416
    Abstract: 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: Grant
    Filed: October 10, 2013
    Date of Patent: August 2, 2016
    Assignee: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD.
    Inventor: Chaiyot Kraisuwannasarn