EP4406427A4 - Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür - Google Patents

Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür

Info

Publication number
EP4406427A4
EP4406427A4 EP23788446.5A EP23788446A EP4406427A4 EP 4406427 A4 EP4406427 A4 EP 4406427A4 EP 23788446 A EP23788446 A EP 23788446A EP 4406427 A4 EP4406427 A4 EP 4406427A4
Authority
EP
European Patent Office
Prior art keywords
lyocell
tow
manufacturing process
cigarette filter
process therefor
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
EP23788446.5A
Other languages
English (en)
French (fr)
Other versions
EP4406427A1 (de
Inventor
Sung Hoon Ha
Kyeng Bae Ma
Jin Chul Yang
Jun Hui Lee
Bong Su Cheong
Seung Dong SEO
Jeong Hun Lee
Jong Cheol Jeong
Sang Woo Jin
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
Application filed by Kolon Industries Inc, KT&G Corp filed Critical Kolon Industries Inc
Publication of EP4406427A1 publication Critical patent/EP4406427A1/de
Publication of EP4406427A4 publication Critical patent/EP4406427A4/de
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/08Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00Cigars; Cigarettes
    • A24D1/02Cigars; Cigarettes with special covers
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • A24D3/0204Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212Applying additives to filter materials
    • A24D3/022Applying additives to filter materials with liquid additives, e.g. application of plasticisers
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/067Use of materials for tobacco smoke filters characterised by functional properties
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/067Use of materials for tobacco smoke filters characterised by functional properties
    • A24D3/068Biodegradable or disintegrable
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/14Use 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)
EP23788446.5A 2022-04-14 2023-02-03 Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür Pending EP4406427A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220046164A KR20230147314A (ko) 2022-04-14 2022-04-14 라이오셀 토우를 포함하는 담배 필터 및 이의 제조방법
PCT/KR2023/001566 WO2023200091A1 (ko) 2022-04-14 2023-02-03 라이오셀 토우를 포함하는 담배 필터 및 이의 제조방법

Publications (2)

Publication Number Publication Date
EP4406427A1 EP4406427A1 (de) 2024-07-31
EP4406427A4 true EP4406427A4 (de) 2025-01-29

Family

ID=88329791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23788446.5A Pending EP4406427A4 (de) 2022-04-14 2023-02-03 Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür

Country Status (7)

Country Link
US (1) US20250040594A1 (de)
EP (1) EP4406427A4 (de)
JP (1) JP7779464B2 (de)
KR (1) KR20230147314A (de)
CN (1) CN118234391A (de)
TW (1) TW202341883A (de)
WO (1) WO2023200091A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025143826A1 (ko) * 2023-12-27 2025-07-03 주식회사 케이티앤지 흡연 물품용 필터 및 이를 포함하는 흡연 물품
WO2026005396A1 (ko) * 2024-06-26 2026-01-02 주식회사 케이티앤지 흡연 물품용 필터, 및 이를 포함하는 흡연 물품

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6776168B1 (en) * 1999-10-22 2004-08-17 Rhodia Acetow Gmbh Disintegratable cigarette filter
WO2015156608A1 (ko) * 2014-04-08 2015-10-15 주식회사 케이티앤지 담배 필터, 이의 제조방법 및 이를 포함하는 담배
GB2525363A (en) * 2014-05-23 2015-10-21 Greenbutts Llc Biodegradable cigarette filter tow and method of manufacture
US20220079216A1 (en) * 2020-09-11 2022-03-17 Schweitzer-Mauduit International, Inc. Filter For Smoking or Vaping Article Comprising a Nonwoven Substrate
EP4403046A1 (de) * 2021-12-07 2024-07-24 KT & G Corporation Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015804Y2 (de) * 1972-05-26 1975-05-16
JP4361850B2 (ja) * 2004-09-16 2009-11-11 日本たばこ産業株式会社 シガレット用フィルター
KR101473447B1 (ko) * 2014-03-14 2014-12-24 서울대학교산학협력단 말뼈를 이용한 나노 세라믹 골시멘트 및 이의 제조 방법
KR102296584B1 (ko) * 2015-12-23 2021-09-01 코오롱인더스트리 주식회사 담배필터용 라이오셀 소재 및 그 제조방법
KR20160048738A (ko) * 2016-04-15 2016-05-04 주식회사 케이티앤지 담배 필터, 이의 제조방법 및 이를 포함하는 담배
JP7067547B2 (ja) * 2017-03-29 2022-05-16 東洋紡株式会社 防曇性を有する接着剤組成物
KR20200057034A (ko) * 2017-09-22 2020-05-25 아쎄테이트 인터내셔널 엘엘씨 다공성 매스를 갖는 에어로졸 생성 장치
EP3731662A1 (de) * 2017-12-28 2020-11-04 Philip Morris Products S.a.s. Starrer filter für aerosolerzeugungsartikel
DE102019100112B4 (de) * 2019-01-04 2020-09-10 Delfortgroup Ag Biologisch abbaubares Segment eines Rauchartikels
DE102020119388B4 (de) * 2020-07-22 2023-08-17 Delfortgroup Ag Plissiertes filtermaterial für rauchartikel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6776168B1 (en) * 1999-10-22 2004-08-17 Rhodia Acetow Gmbh Disintegratable cigarette filter
WO2015156608A1 (ko) * 2014-04-08 2015-10-15 주식회사 케이티앤지 담배 필터, 이의 제조방법 및 이를 포함하는 담배
GB2525363A (en) * 2014-05-23 2015-10-21 Greenbutts Llc Biodegradable cigarette filter tow and method of manufacture
US20220079216A1 (en) * 2020-09-11 2022-03-17 Schweitzer-Mauduit International, Inc. Filter For Smoking or Vaping Article Comprising a Nonwoven Substrate
EP4403046A1 (de) * 2021-12-07 2024-07-24 KT & G Corporation Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür

Also Published As

Publication number Publication date
WO2023200091A1 (ko) 2023-10-19
JP7779464B2 (ja) 2025-12-03
CN118234391A (zh) 2024-06-21
US20250040594A1 (en) 2025-02-06
JP2024539873A (ja) 2024-10-31
TW202341883A (zh) 2023-11-01
EP4406427A1 (de) 2024-07-31
KR20230147314A (ko) 2023-10-23

Similar Documents

Publication Publication Date Title
EP4437867A4 (de) Lyocellmaterial mit modifiziertem querschnitt, zigarettenfilter und herstellungsverfahren dafür
EP4289851A4 (de) Camptothecinverbindung, herstellungsverfahren dafür und anwendung davon
EP4131507A4 (de) Lithiumzusatzadditiv, herstellungsverfahren dafür und anwendung davon
EP4437866A4 (de) Lyocellmaterial, zigarettenfilter und zugehörige herstellungsverfahren dafür
EP4406427A4 (de) Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür
EP4228481A4 (de) Reaktives kissen und herstellungsverfahren
EP3590598A4 (de) Filter zur abgasreinigung und verfahren zur herstellung davon
EP4445757A4 (de) Filter mit darauf aufgebrachtem funktionalitätsverstärktem bindemittel und rauchartikel damit
EP4538434A4 (de) Biomasse-juncao-regeneratcellulosefaser und herstellungsverfahren dafür
EP4333090A4 (de) Elektrode und herstellungsverfahren dafür
EP4471812A4 (de) Magnetisches element und herstellungsverfahren
EP4318945A4 (de) Baw-filterstruktur und herstellungsverfahren
EP4420538A4 (de) Zigarettenfilter und zigarette damit
EP4516500A4 (de) Asymmetrisches verbundglas und herstellungsverfahren dafür und verwendung davon
EP4421023A4 (de) Mit nanomagnesiumhydrid beladener verbundstoff und herstellungsverfahren dafür
EP4322273A4 (de) Elektrodenanordnung und herstellungsverfahren dafür
EP4349843A4 (de) Alpha-saliderosid und herstellungsverfahren dafür und anwendung davon
EP4286384A4 (de) Aza-ergolinderivat und herstellungsverfahren dafür und anwendung davon
EP4470395A4 (de) Hohle verbundfilterspitze und herstellungsverfahren dafür
EP4210857C0 (de) Filterelement, innenraumluftfilter und herstellungsverfahren
EP4134996A4 (de) Kondensator, herstellungsverfahren dafür und verwendung davon
EP4357333A4 (de) Hybutiminib-zwischenprodukt und herstellungsverfahren dafür
PL4376978T3 (pl) Kompozytowy materiał filtracyjny i sposób jego wytwarzania
EP4407010A4 (de) Ligninformaldehydfreier klebstoff und herstellungsverfahren dafür
EP4382496A4 (de) Glaselement und herstellungsverfahren dafür

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240423

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250103

RIC1 Information provided on ipc code assigned before grant

Ipc: A24D 1/02 20060101ALI20241220BHEP

Ipc: A24D 3/02 20060101ALI20241220BHEP

Ipc: A24D 3/14 20060101ALI20241220BHEP

Ipc: A24D 3/10 20060101ALI20241220BHEP

Ipc: A24D 3/06 20060101AFI20241220BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)