Class A24D : CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
Subclass 3/14: Tobacco smoke filters, e.g. filter-tips, filtering inserts (filters in general B01D); Mouthpieces for cigars or cigarettes (for pipes, for cigar or cigarette holders A24F 7/00) Use of materials for tobacco smoke filters of organic materials as additive (of ion exchange materials A24D 3/12)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11992040 | Tube filter production device and tube filter production method | Aug 27, 20 | May 28, 24 | KT&G Corporation |
| 11992041 | Aerosol-generating article having fibrous filter segment and hollow, tubular support element located immediately downstream the aerosol-forming substrate | Jun 08, 18 | May 28, 24 | Philip Morris Products SA |
| 11905393 | Cellulose acetate composition and molded article | Jul 18, 19 | Feb 20, 24 | Daicel Corporation Industries Ltd. |
| 11849756 | Hydrophobic capsule | Jul 06, 21 | Dec 26, 23 | Philip Morris Products SA |
| 11832644 | Processes for producing filter elements suitable for use in smoking articles | Jun 29, 22 | Dec 05, 23 | BIO-ON S.p.A. |
| 11737490 | Smoking article mouthpiece | Dec 20, 18 | Aug 29, 23 | ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
| 11730189 | Cigarette filter containing alginite | Apr 26, 21 | Aug 22, 23 | OPTIFILTER RESEARCH ZRT. |
| 11723401 | Degradable cellulose ester | Feb 10, 21 | Aug 15, 23 | ACETATE INTERNATIONAL LLC |
| 11717018 | Smoking article comprising aerogel | Feb 24, 16 | Aug 08, 23 | R.J. Reynolds Tobacco Company |
| 11700877 | Menthol cigarette | Mar 06, 20 | Jul 18, 23 | Philip Morris USA Inc. |
| 11678696 | Smoking product to which triple care technology for reducing tobacco smell is applied | Oct 30, 19 | Jun 20, 23 | KT&G Corporation |
| 11678694 | Smoking article filter and insertable filter unit therefor | Jul 20, 20 | Jun 20, 23 | NICOVENTURES TRADING LIMITED |
| 11589608 | Biodegradable filter with improved taste | Jan 30, 19 | Feb 28, 23 | JT International S.A. |
| 11576429 | Flavour system | Aug 15, 18 | Feb 14, 23 | British American Tobacco (Investments) Limited |
| 11528933 | Smoking article | Nov 29, 17 | Dec 20, 22 | NICO VENTURES TRADING LIMITED |
| 11406128 | Filter element for tobacco products, the filter element having a capsule containing a liquid medium comprising at least one surfactant as core material | Jul 17, 18 | Aug 09, 22 | Reemtsma Cigarettenfabriken GmbH |
| 11224251 | Aerosol-generating article comprising a liquid delivery element | Dec 21, 17 | Jan 18, 22 | Philip Morris Products SA |
| 11206865 | Adsorbent, filter for smoking product which is provided with said adsorbent, and smoking product provided with said filter for smoking products | Jan 03, 19 | Dec 28, 21 | Japan Tobacco Inc. |
| 11147307 | Flavor capsules for smoking articles | Aug 11, 16 | Oct 19, 21 | Philip Morris Products SA |
| 11109619 | Filter materials including functionalized cellulose | Sep 05, 14 | Sep 07, 21 | Massachusetts Institute of Technology |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0148,051 | A COMPONENT FOR AN ARTICLE FOR USE IN AN AEROSOL PROVISION SYSTEM | Mar 15, 22 | May 09, 24 | Not available |
| 2024/0122,230 | FLAVORING-LOADED COMPONENT FOR TOBACCO PRODUCT AND PRODUCTION METHOD FOR SAME | Dec 14, 23 | Apr 18, 24 | Japan Tobacco Inc. |
| 2024/0114,951 | STRUCTURED FILTER MATERIAL FOR NICOTINE DELIVERY PRODUCTS | Feb 15, 22 | Apr 11, 24 | Not available |
| 2024/0099,363 | Filter for Cigarettes Made with Biological Material | Oct 17, 20 | Mar 28, 24 | Not available |
| 2024/0074,490 | FILTER WITH ADDED LIQUID, FLAVOR INHALATION ARTICLE EQUIPPED WITH SAID FILTER, AND FLAVOR INHALATION ARTICLE PACKAGE | Oct 30, 23 | Mar 07, 24 | Japan Tobacco Inc. |
| 2023/0413,892 | TOBACCO EXTRACT SHEET, METHOD FOR MANUFACTURING THE SAME AND SMOKING ARTICLE INCLUDING THE SAME | Apr 21, 22 | Dec 28, 23 | KT&G Corporation |
| 2023/0413,897 | ALTERNATIVE FILTER MATERIALS AND COMPONENTS FOR AN AEROSOL DELIVERY DEVICE | Jun 27, 22 | Dec 28, 23 | Not available |
| 2023/0232,895 | FLAVOR DELIVERY ARTICLE | Apr 04, 23 | Jul 27, 23 | R.J. Reynolds Tobacco Company |
| 2023/0217,992 | NON-COMBUSTIBLE AEROSOL DELIVERY SYSTEM | Jun 16, 21 | Jul 13, 23 | Not available |
| 2023/0200,435 | CARYOPHYLLENE-CONTAINING AGENT OR COMPOSITION AND VARIOUS APPLICATIONS THEREOF | Mar 10, 21 | Jun 29, 23 | Kinki University; Inabata Koryo Co. Ltd.; SUNSHO PHARMACEUTICAL CO., LTD.; |
| 2023/0084,995 | METHOD FOR MAKING A FILTER ELEMENT OR MOUTHPIECE | Feb 26, 21 | Mar 16, 23 | Not available |
| 2023/0016,146 | SMOKING ARTICLE FILTER INCLUDING SOLID FLAVORING AGENT AND METHOD OF MANUFACTURING THE SAME | Jul 02, 21 | Jan 19, 23 | KT&G Corporation |
| 2023/0000,133 | METHOD FOR EXTRACTING TAR AROMA COMPONENTS FROM WITHIN CIGARETTE BUTTS AND APPLICATION THEREOF IN CIGARETTES | Nov 16, 20 | Jan 05, 23 | INNER MONGOLIA KUNMING CIGARETTE CO., LTD. |
| 2022/0132,913 | A SMOKING ARTICLE COMPRISING A TUBE FILTER AND A METHOD OF MANUFACTURING THE SAME | Nov 27, 20 | May 05, 22 | KT&G Corporation |
| 2020/0375,245 | FILTER ELEMENTS SUITABLE FOR USE IN SMOKING ARTICLES AND PROCESSES FOR PRODUCING THE SAME | May 31, 19 | Dec 03, 20 | Not available |
| 2020/0329,758 | FIRM FILTER FOR AEROSOL-GENERATING ARTICLE | Dec 17, 18 | Oct 22, 20 | Not available |
| 2020/0329,759 | FIRM FILTER FOR AEROSOL-GENERATING ARTICLE | Dec 17, 18 | Oct 22, 20 | Not available |
| 2020/0154,761 | FILTER WITH IMPROVED HARDNESS AND FILTRATION EFFICIENCY | Jan 07, 20 | May 21, 20 | Not available |
| 2019/0191,759 | NOVEL FILTER SEGMENT INCLUDING A SUBSTRATE LOADED WITH A SMOKE-MODIFYING AGENT | Feb 27, 19 | Jun 27, 19 | Philip Morris USA Inc. |
| 2017/0311,643 | SMOKING ARTICLE WITH FLOW RESTRICTOR ADAPTED TO PROMOTE FILTER DEGRADATION | Dec 01, 15 | Nov 02, 17 | PHILIP MORRIS PRODUCTS S.A. |
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