Patents Assigned to Filtrona Filter Products Development Co. Pte.Ltd.
  • Tobacco smoke filter
    Patent number: 11918035
    Abstract: 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: Grant
    Filed: August 28, 2019
    Date of Patent: March 5, 2024
    Assignee: Filtrona Filter Products Development Co. Pte. Ltd.
    Inventors: Paul Francis Clarke, Ahmad Fashihul Lisan
  • Tobacco smoke filter
    Patent number: 11812780
    Abstract: 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: Grant
    Filed: March 10, 2021
    Date of Patent: November 14, 2023
    Assignee: Filtrona Filter Products Development Co. Pte. Ltd.
    Inventors: James D. Reed, Roy Alingalan
  • Tobacco smoke filter
    Patent number: 10952464
    Abstract: 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: Grant
    Filed: November 24, 2011
    Date of Patent: March 23, 2021
    Assignee: Filtrona Filter Products Development Co. Pte. Ltd.
    Inventors: James D. Reed, Roy Alingalan
  • Tobacco smoke filter
    Patent number: 10779564
    Abstract: 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: Grant
    Filed: November 11, 2010
    Date of Patent: September 22, 2020
    Assignee: FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
    Inventors: Ann R. Treadaway, James D. Reed, Stephen Longley-Martines
  • Flavour stick
    Patent number: 10390560
    Abstract: 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: Grant
    Filed: December 19, 2011
    Date of Patent: August 27, 2019
    Assignee: Filtrona Filter Products Development Co. Pte. Ltd.
    Inventor: Paul F. Clarke
  • FLAVOUR STICK
    Publication number: 20130327345
    Abstract: An insert comprising a substrate and a flavouring agent, wherein the flavouring agent is present in an amount from 50 to 500 mg per cm3 volume of the substrate. The insert is used for introducing a flavour, or increasing the level of flavour applied, to one or more smoking articles in a package of smoking articles, by enclosing the insert within such a package.
    Type: Application
    Filed: December 19, 2011
    Publication date: December 12, 2013
    Applicant: Filtrona Filter Products Development Co. Pte.Ltd.
    Inventor: Paul F. Clarke