EP4544932A4 - FILTER FOR SMOKING PRODUCTS WITH CHEMICALLY UNMODIFIED LYOCELL FIBER AND SMOKING PRODUCTS SO THAT - Google Patents

FILTER FOR SMOKING PRODUCTS WITH CHEMICALLY UNMODIFIED LYOCELL FIBER AND SMOKING PRODUCTS SO THAT

Info

Publication number
EP4544932A4
EP4544932A4 EP24750620.7A EP24750620A EP4544932A4 EP 4544932 A4 EP4544932 A4 EP 4544932A4 EP 24750620 A EP24750620 A EP 24750620A EP 4544932 A4 EP4544932 A4 EP 4544932A4
Authority
EP
European Patent Office
Prior art keywords
smoking products
filter
lyocell fiber
chemically unmodified
unmodified lyocell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24750620.7A
Other languages
German (de)
French (fr)
Other versions
EP4544932A1 (en
Inventor
Ki Jin Ahn
Kyeng Bae Ma
Jin Chul Yang
John Tae Lee
Sung Hoon Ha
Jong Cheol Jeong
Sang Woo Jin
Eun Young Park
Jeong Hun Lee
Seung Dong Seo
Yeong Nam Hwang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kolon Industries Inc
KT&G Corp
Original Assignee
Kolon Industries Inc
KT&G Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020240013740A external-priority patent/KR20240122340A/en
Application filed by Kolon Industries Inc, KT&G Corp filed Critical Kolon Industries Inc
Publication of EP4544932A1 publication Critical patent/EP4544932A1/en
Publication of EP4544932A4 publication Critical patent/EP4544932A4/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A24D3/068—Biodegradable or disintegrable
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP24750620.7A 2023-02-03 2024-02-02 FILTER FOR SMOKING PRODUCTS WITH CHEMICALLY UNMODIFIED LYOCELL FIBER AND SMOKING PRODUCTS SO THAT Pending EP4544932A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20230014850 2023-02-03
KR1020240013740A KR20240122340A (en) 2023-02-03 2024-01-30 Filter for smoking article having chemically unmodified lyocell fiber, smoking article having thereof
PCT/KR2024/001604 WO2024162823A1 (en) 2023-02-03 2024-02-02 Filter for smoking article comprising chemically unmodified lyocell fiber, and smoking article comprising same

Publications (2)

Publication Number Publication Date
EP4544932A1 EP4544932A1 (en) 2025-04-30
EP4544932A4 true EP4544932A4 (en) 2025-12-24

Family

ID=92147060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24750620.7A Pending EP4544932A4 (en) 2023-02-03 2024-02-02 FILTER FOR SMOKING PRODUCTS WITH CHEMICALLY UNMODIFIED LYOCELL FIBER AND SMOKING PRODUCTS SO THAT

Country Status (5)

Country Link
EP (1) EP4544932A4 (en)
JP (1) JP2025536075A (en)
CN (1) CN120456839A (en)
TW (1) TW202500026A (en)
WO (1) WO2024162823A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025143826A1 (en) * 2023-12-27 2025-07-03 주식회사 케이티앤지 Filter for smoking article, and smoking article comprising same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150189913A1 (en) * 2012-07-13 2015-07-09 Philip Morris Products S.A. Degradable filter for smoking articles
WO2023140594A1 (en) * 2022-01-19 2023-07-27 주식회사 케이티앤지 Novel cigarette filter containing humectant
WO2023204406A1 (en) * 2022-04-21 2023-10-26 주식회사 케이티앤지 Filter having applied thereto functionality-enhanced binder and smoking article including same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW256860B (en) * 1993-05-24 1995-09-11 Courtaulds Fibres Holdings Ltd
JP2004043554A (en) * 2002-07-09 2004-02-12 Konishi Co Ltd Aqueous solid adhesive and bonding method by using the aqueous solid adhesive
CN105658852B (en) * 2013-09-26 2017-12-22 可隆工业株式会社 Cigarette filter lyocell material and preparation method thereof
KR101691543B1 (en) * 2014-10-08 2017-01-09 주식회사 케이티앤지 Cigarette filter and manufactureing method thereof
KR102211186B1 (en) * 2014-12-31 2021-02-03 코오롱인더스트리 주식회사 Lyocell Material Cigarette Filter and Method for the Same
KR101765291B1 (en) * 2015-02-27 2017-08-04 주식회사 케이티앤지 Cigarette filter having lyocell tow and manufacturing method thereof
EP3439639A1 (en) * 2016-04-08 2019-02-13 Shionogi & Co., Ltd. Stabilized solid dosage form
KR102029981B1 (en) * 2017-10-31 2019-10-08 주식회사 케이티앤지 Cigarette filter, manufacturing method thereof and cigarette containing the same
EP4161300A1 (en) * 2020-06-04 2023-04-12 R. J. Reynolds Tobacco Company Paper sheet filter element for a smoking article, and associated method
DE102020119388B4 (en) * 2020-07-22 2023-08-17 Delfortgroup Ag PLEATED FILTER MATERIAL FOR SMOKING ARTICLES

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150189913A1 (en) * 2012-07-13 2015-07-09 Philip Morris Products S.A. Degradable filter for smoking articles
WO2023140594A1 (en) * 2022-01-19 2023-07-27 주식회사 케이티앤지 Novel cigarette filter containing humectant
WO2023204406A1 (en) * 2022-04-21 2023-10-26 주식회사 케이티앤지 Filter having applied thereto functionality-enhanced binder and smoking article including same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024162823A1 *

Also Published As

Publication number Publication date
EP4544932A1 (en) 2025-04-30
CN120456839A (en) 2025-08-08
WO2024162823A1 (en) 2024-08-08
JP2025536075A (en) 2025-10-30
TW202500026A (en) 2025-01-01

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