EP1032283B1 - Filtre biodegradable pour cigarettes - Google Patents

Filtre biodegradable pour cigarettes Download PDF

Info

Publication number
EP1032283B1
EP1032283B1 EP98961155A EP98961155A EP1032283B1 EP 1032283 B1 EP1032283 B1 EP 1032283B1 EP 98961155 A EP98961155 A EP 98961155A EP 98961155 A EP98961155 A EP 98961155A EP 1032283 B1 EP1032283 B1 EP 1032283B1
Authority
EP
European Patent Office
Prior art keywords
filter
cigarette
tobacco
condensate
ventilation
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.)
Expired - Lifetime
Application number
EP98961155A
Other languages
German (de)
English (en)
Other versions
EP1032283A1 (fr
Inventor
Paul Georg Henning
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.)
Reemtsma Cigarettenfabriken GmbH
Original Assignee
Reemtsma Cigarettenfabriken GmbH
HF and PhF Reemtsma GmbH and Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7850356&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1032283(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Reemtsma Cigarettenfabriken GmbH, HF and PhF Reemtsma GmbH and Co filed Critical Reemtsma Cigarettenfabriken GmbH
Priority to SI9830306T priority Critical patent/SI1032283T1/xx
Publication of EP1032283A1 publication Critical patent/EP1032283A1/fr
Application granted granted Critical
Publication of EP1032283B1 publication Critical patent/EP1032283B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

Definitions

  • the invention relates to a biodegradable filter according to Preamble of claim 1.
  • EP-A-0 745 336 discloses a filter cigarette with a biodegradable filter, the material of which can be produced by the air-laid method.
  • the filter is made from cellulose esters, eg cellulose acetate, and the material is crimped.
  • EP-A-0 255 114 discloses a filter cigarette whose two-part filter consists of cellulose acetate. With this double filter, the tobacco rod-side filter part has a high retention rate of 60-80% because the filaments of the material are possible fine and lie close together. The document does not say how the material is made.
  • the invention is therefore based on the object of a filter cigarette to create the specified type while maintaining the advantages of the known filter cigarette an "acetate typical” Taste impression and a “acetate typical” optical Appearance delivers.
  • the advantages achieved with the invention are based on the selection a special cellulose material and the interpretation of a matched filter cigarette construction under adaptation of the essential parameters, namely the retention performance of the Filter, the nicotine / condensate strand yield ratio Tobacco rod, the density of the tobacco mixture of the tobacco rod, the air permeability of the cigarette paper and finally the degree of filter ventilation, towards one Overall construction, on the one hand the taste impression and on the other hand, the optical appearance is optimized.
  • the desired degree of ventilation of 15 to 50% can be achieved the corresponding design of the ventilation zone in the covering paper and adjust the wrapping.
  • the ventilation zone the filter is formed by one or two rows of holes that is at least 10 mm from the mouth end; the holes can either by laser radiation or mechanically at the finished cigarette and should be made if possible be small and little visible, with good results at 15 to 25 holes can be reached in two ventilation rows.
  • the processed cellulose fibers are not suspended in water as in the classic paper production process and placed on a permeable sieve for sheet formation, on which the cellulose fibers are then caused by them Grinding and fibrillation, mechanically networked with each other, but placed in a single air flow at most, which transports them onto a permeable endless sieve and places them on this in an unordered manner.
  • a mechanical bond and thus the necessary strength required for further processing is obtained by adding a binder such as polyvinyl alcohol, polyvinyl acetate, polymer starch, dextrin or latex.
  • a binder such as polyvinyl alcohol, polyvinyl acetate, polymer starch, dextrin or latex.
  • the degree of density (g / cm 3 ) and thus the volume or thickness is set by subsequent calendering.
  • the weight per unit area (g / m 2 ) is controlled via the sieving speed or the fiber input into the air flow.
  • the filter cigarette has one surrounded by a cigarette paper Tobacco rod and one connected to the tobacco rod Filter on.
  • the density of the tobacco mixture is between 200 and 250 mg / ml.
  • the tensile resistance of the strand is between 6 and 8.77 kPa (45 and 65 mmWS), measured closed.
  • the cigarette paper has a low to medium air permeability in the range from 15 to 50 cm 3 / min / cm 2 / kPa (Coresta units).
  • the strand yield ratio nicotine * 10 / condensate of the tobacco mixture should be between 0.6 and 0.9.
  • the filter consists of the folded, uncrimped air-laid fleece and is surrounded by a porous wrapping paper.
  • a zone-porous covering paper surrounds the wrapping paper and is used to attach the filter to the tobacco rod.
  • the Air permeability of the porous zone of the covering paper chosen to be in connection with the wrapping paper underneath the desired degree of filter ventilation results.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Nonwoven Fabrics (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Filtering Materials (AREA)
  • Thermistors And Varistors (AREA)
  • Paper (AREA)

Claims (6)

  1. Cigarette à filtre à filtre biodégradable comportant :
    a) un cylindre de tabac entouré d'un papier à cigarette ;
    b) un filtre fabriqué à partir d'un non-tissé cellulosique fabriqué selon le procédé à jet d'air et possédant un pouvoir de rétention normal ; et
    c) une zone de ventilation du filtre s'étendant dans la direction périphérique ;
       présentant la combinaison de caractéristiques suivante :
    d) le filtre a un pouvoir de rétention du condensat de 40 à 60 % ;
    e) le non-tissé de cellulose est non rétréci ;
    f) le rendement du cylindre nicotine/condensat du cylindre de tabac est compris entre 0,6 et 0,9 ;
    g) la densité spécifique du mélange de tabac du cylindre de tabac est comprise entre 200 et 250 mg/ml ;
    h) la résistance à la traction du cylindre de tabac est comprise entre 6 et 8,77 kPa (45 et 65 mmWS), mesurée à l'état fermé ;
    i) la perméabilité à l'air du papier à cigarette est comprise entre 15 et 50 cm3/min/cm2/kPa (unités Coresta); et
    j) le degré de ventilation du filtre est compris entre 15 et 50 %.
  2. Cigarette à filtre selon la revendication 1, caractérisée en ce que la zone de ventilation est formée par une combinaison de papiers d'enveloppe et de doublage poreux qui commence au moins à 10 mm de l'extrémité du filtre côté bouche.
  3. Cigarette à filtre selon la revendication 1, caractérisée en ce que la zone de ventilation est fabriquée mécaniquement ou par rayonnement laser sur la cigarette finie.
  4. Cigarette à filtre selon la revendication 2, caractérisée en ce que la zone de ventilation est constituée par une ou deux rangées d'orifices de ventilation qui sont au moins éloignées de 10 mm de l'extrémité du filtre côté bouche.
  5. Cigarette à filtre selon l'une des revendications 1 à 4, caractérisée en ce que le filtre est composé d'un non-tissé cellulosique non rétréci ayant une épaisseur de 0,5 à 1,5 mm.
  6. Cigarette à filtre selon l'une des revendications 1 à 5, caractérisée en ce que le filtre est fait d'un non-tissé cellulosique non rétréci ayant une largeur de 10 à 15 cm.
EP98961155A 1997-11-21 1998-11-10 Filtre biodegradable pour cigarettes Expired - Lifetime EP1032283B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9830306T SI1032283T1 (en) 1997-11-21 1998-11-10 Biodegradable cigarette filter

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19753193 1997-11-21
DE19753193A DE19753193A1 (de) 1997-11-21 1997-11-21 Biologisch abbaubarer Filter für Cigaretten
PCT/EP1998/007120 WO1999026497A1 (fr) 1997-11-21 1998-11-10 Filtre biodegradable pour cigarettes

Publications (2)

Publication Number Publication Date
EP1032283A1 EP1032283A1 (fr) 2000-09-06
EP1032283B1 true EP1032283B1 (fr) 2002-10-02

Family

ID=7850356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98961155A Expired - Lifetime EP1032283B1 (fr) 1997-11-21 1998-11-10 Filtre biodegradable pour cigarettes

Country Status (27)

Country Link
EP (1) EP1032283B1 (fr)
JP (1) JP2001523479A (fr)
KR (1) KR20010032330A (fr)
CN (1) CN1130135C (fr)
AT (1) ATE225134T1 (fr)
AU (1) AU1667699A (fr)
BG (1) BG64611B1 (fr)
CZ (1) CZ289363B6 (fr)
DE (2) DE19753193A1 (fr)
DK (1) DK1032283T3 (fr)
EA (1) EA001997B1 (fr)
EE (1) EE200000268A (fr)
ES (1) ES2182382T3 (fr)
HK (1) HK1034880A1 (fr)
HR (1) HRP20000418A2 (fr)
HU (1) HU225287B1 (fr)
ID (1) ID25459A (fr)
NO (1) NO309354B1 (fr)
OA (1) OA11414A (fr)
PL (1) PL187198B1 (fr)
PT (1) PT1032283E (fr)
SK (1) SK283275B6 (fr)
TR (1) TR200001454T2 (fr)
TW (1) TW533062B (fr)
UA (1) UA56285C2 (fr)
WO (1) WO1999026497A1 (fr)
YU (1) YU49407B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8940073B2 (en) 2009-04-03 2015-01-27 McAirlaid's Vliesstoffe GmbH Filter material for cleaning air and gases

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SK12032001A3 (sk) 1999-02-26 2002-01-07 H. F. & Ph. F. Reemtsma Gmbh Výrobok na fajčenie
CN100551283C (zh) * 2005-11-23 2009-10-21 云南烟草科学研究院 一种带二元复合嘴棒的卷烟及其制备方法
US7878210B2 (en) * 2007-06-04 2011-02-01 Philip Morris Usa Inc. Cellulose acetate fiber modification
CA2887696C (fr) * 2012-10-11 2021-07-06 Schweitzer-Mauduit International, Inc. Cape presentant des caracteristiques de propension a la combustion reduites

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US792913A (en) * 1903-01-16 1905-06-20 James J Mulconroy Coupling device for rubber tubing, pipe, hose, &c.
ZA804947B (en) * 1979-08-28 1981-06-24 British American Tobacco Co Smoke filtration
US4375447A (en) * 1979-12-21 1983-03-01 Kimberly-Clark Corporation Method for forming an air-laid web of dry fibers
DE3625593A1 (de) * 1986-07-29 1988-02-04 Bat Cigarettenfab Gmbh Filtercigarette
EP0709037B1 (fr) * 1994-10-31 2001-05-02 Daicel Chemical Industries, Ltd. Matériau pour filtre à fumée de tabac et filtre à fumée de tabac produit avec le matérial
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8940073B2 (en) 2009-04-03 2015-01-27 McAirlaid's Vliesstoffe GmbH Filter material for cleaning air and gases

Also Published As

Publication number Publication date
SK283275B6 (sk) 2003-05-02
UA56285C2 (uk) 2003-05-15
BG64611B1 (bg) 2005-09-30
CZ289363B6 (cs) 2002-01-16
AU1667699A (en) 1999-06-15
NO20002516D0 (no) 2000-05-16
YU49407B (sh) 2005-11-28
EE200000268A (et) 2001-08-15
YU30900A (sh) 2002-09-19
HRP20000418A2 (en) 2000-08-31
HUP0100392A3 (en) 2001-11-28
CN1130135C (zh) 2003-12-10
KR20010032330A (ko) 2001-04-16
HK1034880A1 (en) 2001-11-09
WO1999026497A1 (fr) 1999-06-03
EA001997B1 (ru) 2001-10-22
NO309354B1 (no) 2001-01-22
ES2182382T3 (es) 2003-03-01
ATE225134T1 (de) 2002-10-15
BG104547A (en) 2001-02-28
EA200000549A1 (ru) 2000-10-30
OA11414A (en) 2004-04-20
DE19753193A1 (de) 1999-05-27
CN1283965A (zh) 2001-02-14
PL340593A1 (en) 2001-02-12
EP1032283A1 (fr) 2000-09-06
JP2001523479A (ja) 2001-11-27
PT1032283E (pt) 2003-02-28
PL187198B1 (pl) 2004-05-31
TW533062B (en) 2003-05-21
CZ20001829A3 (en) 2001-05-16
NO20002516L (no) 2000-05-16
HU225287B1 (en) 2006-09-28
HUP0100392A2 (hu) 2001-05-28
DK1032283T3 (da) 2003-02-03
DE59805850D1 (de) 2002-11-07
ID25459A (id) 2000-10-05
SK7422000A3 (en) 2000-10-09
TR200001454T2 (tr) 2002-06-21

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