EP4544930A4 - SMOKE PRODUCT FILTER WITH LYOCELL-TOW AND SMOKE PRODUCT SO THAT - Google Patents

SMOKE PRODUCT FILTER WITH LYOCELL-TOW AND SMOKE PRODUCT SO THAT

Info

Publication number
EP4544930A4
EP4544930A4 EP24750578.7A EP24750578A EP4544930A4 EP 4544930 A4 EP4544930 A4 EP 4544930A4 EP 24750578 A EP24750578 A EP 24750578A EP 4544930 A4 EP4544930 A4 EP 4544930A4
Authority
EP
European Patent Office
Prior art keywords
smoke product
lyocell
tow
filter
smoke
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
EP24750578.7A
Other languages
German (de)
French (fr)
Other versions
EP4544930A1 (en
Inventor
Ki Jin Ahn
Kyeng Bae Ma
Jin Chul Yang
Sung Hoon Ha
Min Hee Hwang
Jun Hui Lee
Jong Cheol Jeong
Sang Woo Jin
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 KR1020230195716A external-priority patent/KR20240122319A/en
Application filed by Kolon Industries Inc, KT&G Corp filed Critical Kolon Industries Inc
Publication of EP4544930A1 publication Critical patent/EP4544930A1/en
Publication of EP4544930A4 publication Critical patent/EP4544930A4/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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • 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
    • A24D3/08—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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers

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)
EP24750578.7A 2023-02-03 2024-02-01 SMOKE PRODUCT FILTER WITH LYOCELL-TOW AND SMOKE PRODUCT SO THAT Pending EP4544930A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20230014851 2023-02-03
KR1020230195716A KR20240122319A (en) 2023-02-03 2023-12-28 Filter for smoking article having lyocell tow, smoking article having thereof
PCT/KR2024/001514 WO2024162781A1 (en) 2023-02-03 2024-02-01 Smoking product filter comprising lyocell tow, and smoking product comprising same

Publications (2)

Publication Number Publication Date
EP4544930A1 EP4544930A1 (en) 2025-04-30
EP4544930A4 true EP4544930A4 (en) 2026-03-11

Family

ID=92147023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24750578.7A Pending EP4544930A4 (en) 2023-02-03 2024-02-01 SMOKE PRODUCT FILTER WITH LYOCELL-TOW AND SMOKE PRODUCT SO THAT

Country Status (5)

Country Link
EP (1) EP4544930A4 (en)
JP (1) JP2025537991A (en)
CN (1) CN120569138A (en)
TW (1) TW202437932A (en)
WO (1) WO2024162781A1 (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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011077138A1 (en) * 2009-12-21 2011-06-30 British American Tobacco (Investments) Limited Sheet filter materials with additives
KR20140051910A (en) * 2011-07-28 2014-05-02 델포르트그룹 아게 Oil-resistant filter wrapper paper
JP2015523079A (en) * 2012-07-13 2015-08-13 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム Degradable filter for smoking articles
US10292421B2 (en) * 2013-12-20 2019-05-21 Philip Morris Products S.A. Smoking article filter including degradable filter component
KR102029981B1 (en) * 2017-10-31 2019-10-08 주식회사 케이티앤지 Cigarette filter, manufacturing method thereof and cigarette containing the same
US20230016316A1 (en) * 2019-12-13 2023-01-19 Delfortgroup Ag Hydro-Entangled Filter Material for Smoking Products

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2641972C (en) * 1996-08-23 2012-11-13 Weyerhaeuser Company Lyocell fibers and process for their preparation
DE19951062C2 (en) * 1999-10-22 2002-04-04 Rhodia Acetow Gmbh A high performance cigarette filter
KR102211219B1 (en) * 2014-06-30 2021-02-03 코오롱인더스트리 주식회사 Lyocell Material with Noncircle Cross Section for Cigarette Filter And Manufacturing Method of the same
KR101765291B1 (en) * 2015-02-27 2017-08-04 주식회사 케이티앤지 Cigarette filter having lyocell tow and manufacturing method thereof
KR102758882B1 (en) * 2017-12-28 2025-01-23 필립모리스 프로덕츠 에스.에이. Robust filters for aerosol generating items
KR102267982B1 (en) * 2020-07-09 2021-06-21 주식회사 케이티앤지 Vanilla smoking material wrapper and smoking article containing same
DE102020119388B4 (en) * 2020-07-22 2023-08-17 Delfortgroup Ag PLEATED FILTER MATERIAL FOR SMOKING ARTICLES
DE102021115456A1 (en) * 2021-06-15 2022-12-15 Delfortgroup Ag FILTER MATERIAL FOR SMOKING ARTICLE SEGMENTS WITH REDUCED CREEP

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011077138A1 (en) * 2009-12-21 2011-06-30 British American Tobacco (Investments) Limited Sheet filter materials with additives
KR20140051910A (en) * 2011-07-28 2014-05-02 델포르트그룹 아게 Oil-resistant filter wrapper paper
JP2015523079A (en) * 2012-07-13 2015-08-13 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム Degradable filter for smoking articles
US10292421B2 (en) * 2013-12-20 2019-05-21 Philip Morris Products S.A. Smoking article filter including degradable filter component
KR102029981B1 (en) * 2017-10-31 2019-10-08 주식회사 케이티앤지 Cigarette filter, manufacturing method thereof and cigarette containing the same
US20230016316A1 (en) * 2019-12-13 2023-01-19 Delfortgroup Ag Hydro-Entangled Filter Material for Smoking Products

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024162781A1 *

Also Published As

Publication number Publication date
TW202437932A (en) 2024-10-01
EP4544930A1 (en) 2025-04-30
CN120569138A (en) 2025-08-29
JP2025537991A (en) 2025-11-20
WO2024162781A1 (en) 2024-08-08

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RIC1 Information provided on ipc code assigned before grant

Ipc: A24D 3/06 20060101AFI20260202BHEP

Ipc: A24D 3/10 20060101ALI20260202BHEP

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