EP4406427A4 - Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafür - Google Patents
Zigarettenfilter mit lyocell-tow und herstellungsverfahren dafürInfo
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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)
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)
| 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)
| 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)
| 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 |
-
2022
- 2022-04-14 KR KR1020220046164A patent/KR20230147314A/ko active Pending
-
2023
- 2023-02-03 CN CN202380014316.3A patent/CN118234391A/zh active Pending
- 2023-02-03 EP EP23788446.5A patent/EP4406427A4/de active Pending
- 2023-02-03 WO PCT/KR2023/001566 patent/WO2023200091A1/ko not_active Ceased
- 2023-02-03 US US18/714,782 patent/US20250040594A1/en active Pending
- 2023-02-03 JP JP2024522472A patent/JP7779464B2/ja active Active
- 2023-04-12 TW TW112113725A patent/TW202341883A/zh unknown
Patent Citations (5)
| 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 |
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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) |