of ion exchange materials

Patents Grantslast 30 patents

  • Information Patent Grant

    Smoking article filter and method of manufacturing the same

    • Patent number 11,576,428
    • Issue date Feb 14, 2023
    • Japan Tobacco Inc.
    • Michihiro Inagaki
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Additive releasing materials

    • Patent number 11,160,305
    • Issue date Nov 2, 2021
    • British American Tobacco (Investments) Limited
    • Peter Branton
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Fibrous filtration material for electronic smoking article

    • Patent number 10,681,937
    • Issue date Jun 16, 2020
    • RAI Strategic Holdings, Inc.
    • Andries Don Sebastian
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Fibrous filtration material for electronic smoking article

    • Patent number 10,383,369
    • Issue date Aug 20, 2019
    • RAI Strategic Holdings, Inc.
    • Andries Don Sebastian
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Additive carrying composition

    • Patent number 10,368,576
    • Issue date Aug 6, 2019
    • British American Tobacco (Investments) Limited
    • Peter Branton
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking article filters

    • Patent number 10,264,816
    • Issue date Apr 23, 2019
    • British American Tobacco (Investments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Amphiphile-modified sorbents in smoking articles and filters

    • Patent number 10,188,142
    • Issue date Jan 29, 2019
    • Philip Morris USA Inc.
    • Jay A. Fournier
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Electronic vapor provision system

    • Patent number 10,070,664
    • Issue date Sep 11, 2018
    • Nicoventures Holdings Limited
    • Peter James Branton
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Tobacco smoke filter for smoking device with porous mass of active...

    • Patent number 9,386,803
    • Issue date Jul 12, 2016
    • Celanese Acetate LLC
    • Peter Burke
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking article filters

    • Patent number 9,185,935
    • Issue date Nov 17, 2015
    • British American Tobacco (Invesments) Limited
    • David Lewis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Filter element comprising multifunctional fibrous smoke-altering ma...

    • Patent number 9,119,420
    • Issue date Sep 1, 2015
    • R. J. Reynolds Tobacco Company
    • Andries Don Sebastian
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Filter element comprising multifunctional fibrous smoke-altering ma...

    • Patent number 8,720,450
    • Issue date May 13, 2014
    • R. J. Reynolds Tobacco Company
    • Andries Don Sebastian
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Fibre

    • Patent number 8,607,802
    • Issue date Dec 17, 2013
    • Celanese Acetate Limited
    • Andrew John Banks
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking articles and smokable filler materials therefor

    • Patent number 8,375,959
    • Issue date Feb 19, 2013
    • British American Tobacco (Investments) Limited
    • David John Dittrich
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Relating to smoking article filters

    • Patent number 8,141,559
    • Issue date Mar 27, 2012
    • British American Tobacco (Investments) Limited
    • Peter James Branton
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Amphiphile-modified sorbents in smoking articles and filters

    • Patent number 7,827,996
    • Issue date Nov 9, 2010
    • Philip Morris USA Inc.
    • Jay A Fournier
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Process and apparatus for the removal of toxic components of tobacc...

    • Patent number 6,796,312
    • Issue date Sep 28, 2004
    • Bertram Eichel
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Cigarette filter

    • Patent number 6,779,529
    • Issue date Aug 24, 2004
    • Brown & Williamson Tobacco Corporation
    • James N. Figlar
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Method and apparatus for the selective removal of specific componen...

    • Patent number 6,119,699
    • Issue date Sep 19, 2000
    • Michael T. Sung
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Tobacco filter and fibrous ion exchange resin

    • Patent number 4,700,723
    • Issue date Oct 20, 1987
    • Toray Industries, Inc.
    • Seiichi Yoshikawa
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking system to filter tobacco smoke

    • Patent number 4,226,250
    • Issue date Oct 7, 1980
    • Peterson Labs., Inc.
    • Seymour Ehrenpreis
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Tobacco-smoke filters

    • Patent number 4,033,361
    • Issue date Jul 5, 1977
    • Brown & Williamson Tobacco Corporation
    • Henry George Horsewell
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Process for the production of anion exchangers - amidoalkylation of...

    • Patent number 3,989,650
    • Issue date Nov 2, 1976
    • Bayer Aktiengesellschaft
    • Michael Lange
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3828800

    • Patent number 3,828,800
    • Issue date Aug 13, 1974
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3716500

    • Patent number 3,716,500
    • Issue date Feb 13, 1973
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3459194

    • Patent number 3,459,194
    • Issue date Aug 5, 1969
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3416540

    • Patent number 3,416,540
    • Issue date Dec 17, 1968
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3346519

    • Patent number 3,346,519
    • Issue date Oct 10, 1967
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3280823

    • Patent number 3,280,823
    • Issue date Oct 25, 1966
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    3127373

    • Patent number 3,127,373
    • Issue date Mar 31, 1964
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents