CA2031727C - Concentric smoking filter having discrete tow and web filter media - Google Patents

Concentric smoking filter having discrete tow and web filter media Download PDF

Info

Publication number
CA2031727C
CA2031727C CA002031727A CA2031727A CA2031727C CA 2031727 C CA2031727 C CA 2031727C CA 002031727 A CA002031727 A CA 002031727A CA 2031727 A CA2031727 A CA 2031727A CA 2031727 C CA2031727 C CA 2031727C
Authority
CA
Canada
Prior art keywords
filter
smoking
draw
resistance
plug
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 - Fee Related
Application number
CA002031727A
Other languages
English (en)
French (fr)
Other versions
CA2031727A1 (en
Inventor
Cynthia W. Arterbery
W. Timothy Callaham
Gus D. Keritsis
Morris F. White, Jr.
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.)
Philip Morris Products Inc
Original Assignee
Philip Morris Products Inc
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=24285429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2031727(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Philip Morris Products Inc filed Critical Philip Morris Products Inc
Publication of CA2031727A1 publication Critical patent/CA2031727A1/en
Application granted granted Critical
Publication of CA2031727C publication Critical patent/CA2031727C/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
    • A24D3/08—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
    • 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
    • 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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA002031727A 1990-08-24 1990-12-07 Concentric smoking filter having discrete tow and web filter media Expired - Fee Related CA2031727C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57187890A 1990-08-24 1990-08-24
US571,878 1990-08-24

Publications (2)

Publication Number Publication Date
CA2031727A1 CA2031727A1 (en) 1992-02-25
CA2031727C true CA2031727C (en) 2001-04-10

Family

ID=24285429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002031727A Expired - Fee Related CA2031727C (en) 1990-08-24 1990-12-07 Concentric smoking filter having discrete tow and web filter media

Country Status (17)

Country Link
EP (1) EP0474940B2 (xx)
JP (1) JP2767322B2 (xx)
KR (1) KR0175139B1 (xx)
AT (1) ATE115369T1 (xx)
AU (1) AU635095B2 (xx)
CA (1) CA2031727C (xx)
DE (1) DE69015185T3 (xx)
DK (1) DK0474940T4 (xx)
ES (1) ES2066157T5 (xx)
FI (1) FI94385C (xx)
GR (2) GR3015326T3 (xx)
HK (1) HK162995A (xx)
HU (1) HU212772B (xx)
NO (1) NO176464C (xx)
PL (1) PL166314B1 (xx)
RU (1) RU1836040C (xx)
TR (1) TR25717A (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5622190A (en) * 1990-08-24 1997-04-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
EP0638248A1 (en) * 1993-08-12 1995-02-15 Philip Morris Products Inc. Methods and apparatus to make concentric filters composed of two or more materials
GB9321536D0 (en) * 1993-10-19 1993-12-08 British American Tobacco Co Smoking articles
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement
DE19722812C2 (de) 1997-05-30 2003-02-13 Bat Cigarettenfab Gmbh Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
EE200000264A (et) * 1997-11-13 2001-06-15 H.F. & Ph.F. Reemtsma Gmbh Vähendatud gaasifaasiga sigaret
DE10009829A1 (de) * 2000-03-01 2001-09-20 Reemtsma H F & Ph Rauchartikel
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
GB0811552D0 (en) * 2008-06-24 2008-07-30 British American Tobacco Co Filter for a smoking article
GB0816933D0 (en) * 2008-09-16 2008-10-22 British American Tobacco Co Filter for a smoking article
CN101999755A (zh) * 2010-12-17 2011-04-06 南通烟滤嘴有限责任公司 纸芯同轴滤棒
LT2978327T (lt) 2013-03-28 2019-02-11 Philip Morris Products S.A. Rūkymo gaminys, apimantis aromatą tiekiantį elementą
CN104188106A (zh) * 2014-08-28 2014-12-10 云南中烟工业有限责任公司 一种高截留效率的卷烟滤嘴及应用
JP6833996B2 (ja) * 2017-06-19 2021-02-24 日本たばこ産業株式会社 喫煙物品用フィルタおよびその製造方法
KR102391290B1 (ko) * 2020-04-22 2022-04-26 주식회사 케이티앤지 흡연 물품용 마우스피스 및 이를 포함하는 흡연 물품 조립체와 흡연 물품 패키지

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396061A (en) * 1964-06-01 1968-08-06 Celanese Corp Smoke filters
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter
US4082098A (en) * 1976-10-28 1978-04-04 Olin Corporation Flavored cigarette
AU4119078A (en) 1977-11-18 1980-05-08 Philip Morris Inc Filter system
US4355995A (en) * 1979-03-27 1982-10-26 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
AU556902B2 (en) * 1981-12-18 1986-11-27 Cigarette Components Limited Tobacco smoke filter
DE3207683C2 (de) * 1982-03-03 1986-06-05 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Filter für einen rauchbaren Artikel
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
DE3743597C1 (de) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Koaxialcigarette
DE3901226C1 (xx) * 1989-01-17 1990-07-26 B.A.T. Cigarettenfabriken Gmbh, 2000 Hamburg, De

Also Published As

Publication number Publication date
HU908366D0 (en) 1991-07-29
PL288311A1 (en) 1992-02-24
JPH06269270A (ja) 1994-09-27
AU6774890A (en) 1992-02-27
NO176464C (no) 1995-04-12
DK0474940T4 (da) 2000-04-03
DE69015185D1 (de) 1995-01-26
DE69015185T3 (de) 2000-03-09
GR3015326T3 (en) 1995-06-30
NO905639D0 (no) 1990-12-28
EP0474940B2 (en) 1999-10-06
RU1836040C (ru) 1993-08-23
AU635095B2 (en) 1993-03-11
NO905639L (no) 1992-02-25
DK0474940T3 (da) 1995-04-03
JP2767322B2 (ja) 1998-06-18
FI94385C (fi) 1995-09-11
HUT64455A (en) 1994-01-28
HK162995A (en) 1995-10-27
ES2066157T3 (es) 1995-03-01
EP0474940B1 (en) 1994-12-14
FI906092A (fi) 1992-02-25
CA2031727A1 (en) 1992-02-25
DE69015185T2 (de) 1995-05-24
TR25717A (tr) 1993-09-01
NO176464B (no) 1995-01-02
KR0175139B1 (ko) 1999-02-18
FI94385B (fi) 1995-05-31
GR3032144T3 (en) 2000-04-27
ES2066157T5 (es) 1999-12-16
FI906092A0 (fi) 1990-12-11
EP0474940A1 (en) 1992-03-18
ATE115369T1 (de) 1994-12-15
PL166314B1 (pl) 1995-05-31
KR920003914A (ko) 1992-03-27
HU212772B (en) 1996-11-28

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Legal Events

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EEER Examination request
MKLA Lapsed