CA2239494A1 - Cigarette filter containing microcapsules - Google Patents

Cigarette filter containing microcapsules

Info

Publication number
CA2239494A1
CA2239494A1 CA2239494A CA2239494A CA2239494A1 CA 2239494 A1 CA2239494 A1 CA 2239494A1 CA 2239494 A CA2239494 A CA 2239494A CA 2239494 A CA2239494 A CA 2239494A CA 2239494 A1 CA2239494 A1 CA 2239494A1
Authority
CA
Canada
Prior art keywords
tobacco smoke
microcapsules
cigarette filter
filter containing
containing microcapsules
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.)
Granted
Application number
CA2239494A
Other languages
French (fr)
Other versions
CA2239494C (en
Inventor
Craig Lesser
Reid W. Von Borstel
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.)
Filligent Ltd
Original Assignee
Craig Lesser
Reid W. Von Borstel
Filligent Limited
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 to JP52273297A priority Critical patent/JP3204511B2/en
Priority to BR9510674-0A priority patent/BR9510674A/en
Priority to CA002239494A priority patent/CA2239494C/en
Priority to DE69523345T priority patent/DE69523345T2/en
Priority to SI9530555T priority patent/SI0868126T1/en
Priority to EP95943867A priority patent/EP0868126B1/en
Priority to ES95943867T priority patent/ES2165928T3/en
Application filed by Craig Lesser, Reid W. Von Borstel, Filligent Limited filed Critical Craig Lesser
Priority to PT95943867T priority patent/PT868126E/en
Priority to AT95943867T priority patent/ATE206880T1/en
Priority to CN 95198004 priority patent/CN1106810C/en
Priority to DK95943867T priority patent/DK0868126T3/en
Priority to AU45231/96A priority patent/AU697996B2/en
Priority to PCT/US1995/016486 priority patent/WO1997022268A1/en
Publication of CA2239494A1 publication Critical patent/CA2239494A1/en
Priority to AU12172/99A priority patent/AU707775B2/en
Application granted granted Critical
Publication of CA2239494C publication Critical patent/CA2239494C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • 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)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Abstract

A tobacco smoke filter comprising a porous substrate having a humectant, such as sodium pyroglutamate, dispersed therein to absorb moisture from the tobacco smoke thereby wet-filtering the tobacco smoke. Also, a tobacco smoke filter comprising a porous substrate having microcapsules dispersed therein. The microcapsules comprise a humectant such as sodium pyroglutamate. The microcapsules further preferably comprise one or more of methylcellulose, chlorophyllin and at least one vegetable oil.
CA002239494A 1995-12-19 1995-12-19 Cigarette filter containing microcapsules Expired - Fee Related CA2239494C (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
CA002239494A CA2239494C (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
DE69523345T DE69523345T2 (en) 1995-12-19 1995-12-19 MICROCAPSULES CONTAINING CIGARETTE FILTER
SI9530555T SI0868126T1 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
EP95943867A EP0868126B1 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
ES95943867T ES2165928T3 (en) 1995-12-19 1995-12-19 CIGARETTE FILTER CONTAINING MICROCAPSULES.
CN 95198004 CN1106810C (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
PT95943867T PT868126E (en) 1995-12-19 1995-12-19 CIGAR FILTER CONTAINING MICROCAPSULES
AT95943867T ATE206880T1 (en) 1995-12-19 1995-12-19 CIGARETTE FILTER CONTAINING MICRO CAPSULES
JP52273297A JP3204511B2 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
DK95943867T DK0868126T3 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
AU45231/96A AU697996B2 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
BR9510674-0A BR9510674A (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules.
PCT/US1995/016486 WO1997022268A1 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
AU12172/99A AU707775B2 (en) 1995-12-19 1999-01-21 Cigarette filter containing microcapsules

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 95198004 CN1106810C (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
CA002239494A CA2239494C (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules
PCT/US1995/016486 WO1997022268A1 (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules

Publications (2)

Publication Number Publication Date
CA2239494A1 true CA2239494A1 (en) 1997-06-26
CA2239494C CA2239494C (en) 2000-08-22

Family

ID=38562840

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002239494A Expired - Fee Related CA2239494C (en) 1995-12-19 1995-12-19 Cigarette filter containing microcapsules

Country Status (13)

Country Link
EP (1) EP0868126B1 (en)
JP (1) JP3204511B2 (en)
CN (1) CN1106810C (en)
AT (1) ATE206880T1 (en)
AU (2) AU697996B2 (en)
BR (1) BR9510674A (en)
CA (1) CA2239494C (en)
DE (1) DE69523345T2 (en)
DK (1) DK0868126T3 (en)
ES (1) ES2165928T3 (en)
PT (1) PT868126E (en)
SI (1) SI0868126T1 (en)
WO (1) WO1997022268A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7487782B2 (en) 2002-09-19 2009-02-10 Japan Tobacco Inc. Cigarette filter
EP2152103A1 (en) * 2007-05-16 2010-02-17 Biohit Oyj Filter for a tobacco product

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746231A (en) * 1993-01-11 1998-05-05 Craig Lesser Tobacco smoke filter for removing toxic compounds
US6792953B2 (en) 2000-09-12 2004-09-21 Filligent Limited Tobacco smoke filter
CN1103197C (en) * 2000-10-16 2003-03-19 北京倍和德营养制品科技发展有限公司 Filter tip capable of eliminating free radical in cigarette fume and its making process
WO2003037114A1 (en) * 2001-10-30 2003-05-08 Japan Tobacco Inc. Filter for cigarette and cigarette with filter
ES2450926T3 (en) * 2002-09-19 2014-03-25 Japan Tobacco Inc. Cigarette filter
JP4729402B2 (en) * 2003-02-18 2011-07-20 フィリジェント リミテッド Filter containing metal phthalocyanine and polycationic polymer
GR1004550B (en) * 2003-05-30 2004-05-11 Γεωργιος Δεληκωνσταντινος Neutralization of toxic substances in cigarette smoke with a biological filter containing esters of carboxymetallo-porphyrins with bioflavonoids and sugars
CN102132953B (en) * 2010-12-29 2013-04-03 华宝食用香精香料（上海）有限公司 Method for preparing salvia miltiorrhiza extract microcapsules and use of product thereof
CN102783708A (en) * 2012-08-16 2012-11-21 上海烟草集团有限责任公司 Vegetable oil type tobacco humectant and preparation method thereof
CN105361242A (en) * 2015-11-02 2016-03-02 江南大学 Multifunctional cigarette cracking capsule based on liquid marble and preparation method of multifunctional cigarette cracking capsule

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279476A (en) * 1964-04-16 1966-10-18 Beatrice Foods Co Cigarette filter
DE2140346A1 (en) * 1971-08-19 1973-02-22 Eiichiro Nakatsuka TOBACCO SMOKE FILTER
JPS5739767A (en) * 1980-08-23 1982-03-05 Advance Kk Tobacco filter
JPS57138375A (en) * 1981-02-18 1982-08-26 Kowa Co Tobacco filter
GB2179557B (en) * 1985-08-30 1988-01-20 Roy E Martin Smoke filter
US5249588A (en) * 1989-03-31 1993-10-05 British-American Tobacco Company Limited Smoking articles
CN1066767A (en) * 1991-05-23 1992-12-09 高春平 Filtering material for carcinogen in the tobacco smoke
ES2074962B1 (en) * 1993-12-23 1996-05-16 Lopez Acedo Fernandez Shaw Cec LIQUID FILTER FOR RETENTION OF TOXIC SUBSTANCES IN TOBACCO, PROCEDURE FOR ITS PREPARATION AND APPLICATIONS.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7487782B2 (en) 2002-09-19 2009-02-10 Japan Tobacco Inc. Cigarette filter
EP2152103A1 (en) * 2007-05-16 2010-02-17 Biohit Oyj Filter for a tobacco product
EP2152103A4 (en) * 2007-05-16 2014-07-09 Biohit Oyj Filter for a tobacco product

Also Published As

Publication number Publication date
CA2239494C (en) 2000-08-22
EP0868126B1 (en) 2001-10-17
ATE206880T1 (en) 2001-11-15
JPH11500926A (en) 1999-01-26
AU4523196A (en) 1997-07-14
JP3204511B2 (en) 2001-09-04
CN1106810C (en) 2003-04-30
AU1217299A (en) 1999-03-25
AU697996B2 (en) 1998-10-22
DK0868126T3 (en) 2002-01-28
AU707775B2 (en) 1999-07-22
PT868126E (en) 2002-04-29
DE69523345D1 (en) 2001-11-22
SI0868126T1 (en) 2002-10-31
CN1204948A (en) 1999-01-13
WO1997022268A1 (en) 1997-06-26
ES2165928T3 (en) 2002-04-01
DE69523345T2 (en) 2002-09-05
BR9510674A (en) 1999-11-30
EP0868126A1 (en) 1998-10-07

Similar Documents

Publication Publication Date Title
CA2239494A1 (en) Cigarette filter containing microcapsules
YU29599A (en) Pesticidal 1-arylpyrazoles
AU7508191A (en) Cigarette smoke filter
DE69626920D1 (en) Tobacco smoke filter material and tobacco smoke filter made from this material
AU4286589A (en) Cigarette filter rod elements and cigarettes incorporating such filter rod elements
CA2151471A1 (en) Biodegradable Tobacco Smoke Filters
WO2000049901A3 (en) Smokable product
NZ300477A (en) Cigarette filter containing microcapsules
MX9804307A (en) Cigarette filter containing microcapsules.
AU589617B2 (en) Ventilated tobacco smoke filter
AU4524299A (en) Tobacco smoke filter
MD235B1 (en) Composition for flavoring smoking tobacco
DK0804098T3 (en) Filter for tobacco smoke
MD216B1 (en) Composition for flavoring smoking tobacco
NZ336523A (en) Cigarette filter containing microcapsules comprising methylcellulose shell and chlorophyllin core
AU5708594A (en) Cigarette filter rod elements and cigarettes incorporating such filter rod elements
RU98113716A (en) CIGARETTE FILTER CONTAINING MICROCapsules
AU6974794A (en) Cigarette filter rod elements and cigarettes incorporating such filter rod elements
KR950022464U (en) Smokeless tobacco flavor inhaler with the same structure as cigarette
DE29722292U1 (en) Filter device for cigarettes, cigarillos, cigars and loose tobacco
HU9700529D0 (en) Cigarette smoke burning, surroundingsfriend ash-tray
AU8493398A (en) Apparatus for the reduction of tobacco smoke
AU8345598A (en) Compensated cigarettes with variable and limited tobacco content
AU1298383A (en) Tobacco smoke filters
AU7563700A (en) Material for filters used to filter tobacco smoke

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed