DE2744796A1 - Filtermaterial, seine herstellung und verwendung - Google Patents
Filtermaterial, seine herstellung und verwendungInfo
- Publication number
- DE2744796A1 DE2744796A1 DE19772744796 DE2744796A DE2744796A1 DE 2744796 A1 DE2744796 A1 DE 2744796A1 DE 19772744796 DE19772744796 DE 19772744796 DE 2744796 A DE2744796 A DE 2744796A DE 2744796 A1 DE2744796 A1 DE 2744796A1
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- fibrets
- filter
- cellulose ester
- filter material
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 title claims description 102
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 239000000835 fiber Substances 0.000 claims description 70
- 229920002678 cellulose Polymers 0.000 claims description 58
- 229920002301 cellulose acetate Polymers 0.000 claims description 46
- 238000009987 spinning Methods 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000000779 smoke Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 29
- 241000208125 Nicotiana Species 0.000 claims description 16
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 239000001913 cellulose Substances 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 6
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 4
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 3
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- 229920008347 Cellulose acetate propionate Polymers 0.000 claims description 2
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 claims description 2
- ZMZINYUKVRMNTG-UHFFFAOYSA-N acetic acid;formic acid Chemical compound OC=O.CC(O)=O ZMZINYUKVRMNTG-UHFFFAOYSA-N 0.000 claims description 2
- 229920001727 cellulose butyrate Polymers 0.000 claims description 2
- 229920006218 cellulose propionate Polymers 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 25
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 21
- 235000019504 cigarettes Nutrition 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000001914 filtration Methods 0.000 description 9
- 239000002657 fibrous material Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000015271 coagulation Effects 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 230000000391 smoking effect Effects 0.000 description 4
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 229960002715 nicotine Drugs 0.000 description 3
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 3
- 239000011877 solvent mixture Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 206010061592 cardiac fibrillation Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000019506 cigar Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002600 fibrillogenic effect Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- OVOUKWFJRHALDD-UHFFFAOYSA-N 2-[2-(2-acetyloxyethoxy)ethoxy]ethyl acetate Chemical compound CC(=O)OCCOCCOCCOC(C)=O OVOUKWFJRHALDD-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000001087 glyceryl triacetate Substances 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- A24D3/06—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/06—Cellulose esters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Filtering Materials (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73003976A | 1976-10-06 | 1976-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2744796A1 true DE2744796A1 (de) | 1978-04-13 |
Family
ID=24933659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772744796 Withdrawn DE2744796A1 (de) | 1976-10-06 | 1977-10-05 | Filtermaterial, seine herstellung und verwendung |
Country Status (26)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19951062C2 (de) * | 1999-10-22 | 2002-04-04 | Rhodia Acetow Gmbh | Hochleistungs-Zigarettenfilter |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57147413A (en) * | 1981-03-10 | 1982-09-11 | Asahi Chem Ind Co Ltd | Filter medium for high-performance air filter and production thereof |
TW241198B (en) * | 1993-09-06 | 1995-02-21 | Daicel Chem | A tobacco filter material and a method of producing the same |
GB9412311D0 (en) * | 1994-06-20 | 1994-08-10 | Courtaulds Fibres Holdings Ltd | Filter materials |
CN1219797C (zh) | 1994-09-22 | 2005-09-21 | 大世吕化学工业株式会社 | 纤维素衍生物 |
JP3420359B2 (ja) * | 1994-10-21 | 2003-06-23 | ダイセル化学工業株式会社 | たばこ煙用フィルター素材、繊維状セルロースエステル及びその製造方法 |
DE69520816T2 (de) * | 1994-10-31 | 2001-09-13 | Daicel Chemical Industries, Ltd. | Tabakrauchfiltermaterial und Tabakrauchfilter hergestellt aus diesem Material |
JP3606950B2 (ja) * | 1995-05-31 | 2005-01-05 | ダイセル化学工業株式会社 | たばこフィルターおよびその製造方法 |
JP3677332B2 (ja) * | 1995-10-20 | 2005-07-27 | ダイセル化学工業株式会社 | たばこフィルター用素材およびそれを用いたたばこフィルター |
DE19753195A1 (de) * | 1997-11-21 | 1999-05-27 | Reemtsma H F & Ph | Biologisch abbaubarer Filter für Cigaretten |
US20060021302A1 (en) * | 2004-07-30 | 2006-02-02 | Bernard Bobby L | Anti-microbial air filter |
-
1977
- 1977-09-30 GB GB40722/77A patent/GB1562134A/en not_active Expired
- 1977-09-30 AU AU29290/77A patent/AU514462B2/en not_active Expired
- 1977-10-03 IT IT28219/77A patent/IT1087755B/it active
- 1977-10-03 NL NL7710795A patent/NL7710795A/xx not_active Application Discontinuation
- 1977-10-03 PT PT67104A patent/PT67104B/pt unknown
- 1977-10-04 TR TR20555A patent/TR20555A/xx unknown
- 1977-10-04 GR GR54495A patent/GR66108B/el unknown
- 1977-10-05 FR FR7730010A patent/FR2367133A1/fr active Granted
- 1977-10-05 DK DK441177A patent/DK441177A/da unknown
- 1977-10-05 BG BG037507A patent/BG28240A3/xx unknown
- 1977-10-05 SE SE7711170A patent/SE7711170L/xx unknown
- 1977-10-05 NZ NZ185357A patent/NZ185357A/xx unknown
- 1977-10-05 JP JP11911477A patent/JPS5345468A/ja active Pending
- 1977-10-05 CA CA288,203A patent/CA1076912A/en not_active Expired
- 1977-10-05 NO NO773391A patent/NO773391L/no unknown
- 1977-10-05 DE DE19772744796 patent/DE2744796A1/de not_active Withdrawn
- 1977-10-05 LU LU78254A patent/LU78254A1/xx unknown
- 1977-10-06 FI FI772956A patent/FI772956A7/fi not_active Application Discontinuation
- 1977-10-06 AT AT0713377A patent/AT370293B/de not_active IP Right Cessation
- 1977-10-06 BE BE181523A patent/BE859459A/xx unknown
- 1977-10-06 SU SU772534605A patent/SU860678A3/ru active
- 1977-10-06 IL IL53062A patent/IL53062A/xx unknown
- 1977-10-06 ZA ZA00775993A patent/ZA775993B/xx unknown
- 1977-10-06 BR BR7706686A patent/BR7706686A/pt unknown
- 1977-11-02 IN IN1574/CAL/77A patent/IN148341B/en unknown
-
1978
- 1978-03-02 ES ES0467483A patent/ES467483A1/es not_active Expired
- 1978-04-25 FR FR7812165A patent/FR2381840A1/fr active Pending
- 1978-04-25 FR FR7812163A patent/FR2381853A1/fr active Granted
- 1978-04-25 FR FR7812164A patent/FR2381480A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19951062C2 (de) * | 1999-10-22 | 2002-04-04 | Rhodia Acetow Gmbh | Hochleistungs-Zigarettenfilter |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4274914A (en) | Filter material | |
DE69009103T2 (de) | Nichtgewebte Faserbahn für Tabakrauchfilter. | |
DE102020119388B4 (de) | Plissiertes filtermaterial für rauchartikel | |
DE19951062C2 (de) | Hochleistungs-Zigarettenfilter | |
US4192838A (en) | Process for producing filter material | |
DE69521869T2 (de) | Tabakrauchfiltermaterialen, Celluloseester Fasermaterialen und Verfahren zu deren Herstellung | |
EP3861159B1 (de) | Wasserstrahlverfestigtes filtermaterial für rauchartikel | |
DE3855848T2 (de) | Verfahren und Einrichtung zur Bildung eines Stranges für die Herstellung von Rauchartikeln | |
DE69430010T2 (de) | Zweikomponent-fasern und daraus hergestellte tabakrauchfilter | |
DE69619433T2 (de) | Tabakrauchfilter und Verfahren zur Herstellung derselben | |
US4283186A (en) | Method of forming cigarette filter material | |
WO1997033026A1 (de) | Melt-blown-vlies, verfahren zu dessen herstellung und dessen verwendungen | |
DE1230702B (de) | Verfahren und Vorrichtung zum Herstellen von Filtern fuer Tabakrauch oder andere Gase | |
EP4064883B1 (de) | Strukturiertes filtermaterial für nikotinabgabeprodukte | |
DE2744796A1 (de) | Filtermaterial, seine herstellung und verwendung | |
EP1921934A2 (de) | Filter oder filterelement für tabakrauch. zigarette mit einem derartigen filter oder filterelement und verfahren zur herstellung eines derartigen filters oder filterelementes | |
DE1692901A1 (de) | Tabakrauchfilter und Verfahren zu ihrer Herstellung | |
DE1517258A1 (de) | Aerosolfilter und Verfahren zu seiner Herstellung | |
EP4076045B1 (de) | Verfahren zur herstellung eines filter- und/oder füllmaterials zur verwendung mit rauchwaren oder hnb-produkten, mundstücke und zigarettenfilter mit einem solchen filter- und/oder füllmaterial | |
JP3939823B2 (ja) | フィルター素材およびたばこ煙用フィルター | |
EP4240905B1 (de) | Segment für rauchartikel mit kalandrierter faserbahn | |
KR800001521B1 (ko) | 필터 시이트 재료의 제조방법 | |
EP4408205B1 (de) | Filterelement für mundstücke zur verwendung mit rauchwaren oder hnb-produkten | |
AT230786B (de) | Verfahren zur Herstellung eines faserartigen, insbesondere zu Tabakrauch-Filtereinsätzen verarbeitbaren Materials | |
DE2123219A1 (de) | Verfahren und Vorrichtung zur Herstellung von Zigarettenfiltern |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |