DE69118549D1 - Filtration von tabakrauch - Google Patents

Filtration von tabakrauch

Info

Publication number
DE69118549D1
DE69118549D1 DE69118549T DE69118549T DE69118549D1 DE 69118549 D1 DE69118549 D1 DE 69118549D1 DE 69118549 T DE69118549 T DE 69118549T DE 69118549 T DE69118549 T DE 69118549T DE 69118549 D1 DE69118549 D1 DE 69118549D1
Authority
DE
Germany
Prior art keywords
filtration
tobacco smoking
polar
tobacco
incorporated
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
DE69118549T
Other languages
English (en)
Other versions
DE69118549T2 (de
Inventor
Robert Marshall
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.)
CENTER FOR APPL RES Inc
Original Assignee
CENTER FOR APPL RES 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
Application filed by CENTER FOR APPL RES Inc filed Critical CENTER FOR APPL RES Inc
Publication of DE69118549D1 publication Critical patent/DE69118549D1/de
Application granted granted Critical
Publication of DE69118549T2 publication Critical patent/DE69118549T2/de
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
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/166—Silicic acid or silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)
DE69118549T 1990-09-27 1991-08-20 Filtration von tabakrauch Expired - Fee Related DE69118549T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/588,803 US5115824A (en) 1990-09-27 1990-09-27 Filtration of tobacco using moisture free, electrically neutral hydrophobic particles
PCT/US1991/005943 WO1992005714A1 (en) 1990-09-27 1991-08-20 Filtration of tobacco smoke

Publications (2)

Publication Number Publication Date
DE69118549D1 true DE69118549D1 (de) 1996-05-09
DE69118549T2 DE69118549T2 (de) 1996-11-21

Family

ID=24355358

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118549T Expired - Fee Related DE69118549T2 (de) 1990-09-27 1991-08-20 Filtration von tabakrauch

Country Status (10)

Country Link
US (1) US5115824A (de)
EP (1) EP0550538B1 (de)
JP (1) JPH06501154A (de)
AT (1) ATE136197T1 (de)
CA (1) CA2092525A1 (de)
DE (1) DE69118549T2 (de)
DK (1) DK0550538T3 (de)
ES (1) ES2088503T3 (de)
GR (1) GR3020433T3 (de)
WO (1) WO1992005714A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6246099A (en) * 1998-09-17 2000-04-03 Wei-Hsin Hou Cigarette filter made from surface activated particulate particles
US6209547B1 (en) 1998-10-29 2001-04-03 Philip Morris Incorporated Cigarette filter
US6911189B1 (en) 1999-10-29 2005-06-28 Philip Morris Usa Inc. Filter for selective removal of a gaseous component
US6481442B1 (en) * 2000-11-28 2002-11-19 Lorillard Licensing Company, Llc Smoking article including a filter for selectively removing carbonyls
JP2010532666A (ja) * 2007-07-09 2010-10-14 ゲルド ソーン タバコフィルタ
US10342259B2 (en) * 2017-03-21 2019-07-09 Altria Client Services Llc Flavor delivery system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079926A (en) * 1958-10-24 1963-03-05 Harry R Litchfield Filters
DE1517272A1 (de) * 1965-04-14 1970-01-15 Durama Ets Verwendung von silikathaltigen Mineralien als Adsorbens fuer Tabakrauchfilter
US3662765A (en) * 1970-11-27 1972-05-16 Gen Electric Smoke filter
US4037607A (en) * 1974-06-13 1977-07-26 Montclair Research Corporation Cigarette and filter for tobacco smoke
US4059119A (en) * 1974-06-13 1977-11-22 Montclair Research Corporation Cigarette and filter
US4084596A (en) * 1974-06-13 1978-04-18 Montclair Research Corporation Body of tobacco with a deposit of particles added thereto
US3939848A (en) * 1975-01-16 1976-02-24 George Le Roy Smoking article
US4126141A (en) * 1975-03-26 1978-11-21 Montclair Research Corporation Filter and cigarette including a filter
US4149549A (en) * 1976-05-17 1979-04-17 Montclair Research Corporation Cigarette and filter
US4146040A (en) * 1977-03-17 1979-03-27 Cohn Charles C Cigarettes
US4396026A (en) * 1978-04-06 1983-08-02 Montclair Research Corporation Cigarette and filter for tobacco smoke
US4637408A (en) * 1983-08-25 1987-01-20 Philip Morris Incorporated Filter material for the removal of nitric oxide
US4744374A (en) * 1983-12-27 1988-05-17 Scopas Technology Company, Inc. Hydrophobic, crystalline, microporous silaceous materials of regular geometry
DE3447445A1 (de) * 1984-12-27 1986-08-28 Hildebrandt, Armin, 2000 Hamburg Filter fuer rauchprodukte, insbesondere zigaretten, zigarren und verfahren zur herstellung des filters
US7473258B2 (en) * 2007-03-08 2009-01-06 Cardica, Inc. Surgical stapler

Also Published As

Publication number Publication date
CA2092525A1 (en) 1992-03-28
GR3020433T3 (en) 1996-10-31
WO1992005714A1 (en) 1992-04-16
DK0550538T3 (da) 1996-07-29
JPH06501154A (ja) 1994-02-10
ES2088503T3 (es) 1996-08-16
DE69118549T2 (de) 1996-11-21
ATE136197T1 (de) 1996-04-15
EP0550538B1 (de) 1996-04-03
EP0550538A1 (de) 1993-07-14
US5115824A (en) 1992-05-26

Similar Documents

Publication Publication Date Title
BR8103419A (pt) Filtro para fumaca de tabaco
IT1150908B (it) Filtro per fumo da tabacco e procedimento e apparecchiatura per la fabbricazione di esso
NO904036L (no) Bearbeiding av tobakksblader.
ZA912914B (en) Cigarette smoke filter
NO914658D0 (no) Adsorpsjonsmidler for fjerning av flyktige stoffer fra vandige systemer
AU556208B2 (en) Protein derivative containing grafted ultraviolet-absorbing radicals
AT385634B (de) Filter zur verminderung der toxischen wirkungen von zigarettentabak-rauch
GB2083998B (en) Tobacco smoke filter
NL190468C (nl) Filter voor tabaksrook.
DE69118549T2 (de) Filtration von tabakrauch
AU556902B2 (en) Tobacco smoke filter
BR8203959A (pt) Filtro para fumaca de tabaco
DE69100647D1 (de) Verfahren zur Abtrennung von polaren und nichtpolaren Bestandteilen aus Kohleteeröldestillaten.
FR2524774B1 (fr) Filtrage de fumee de tabac
IT8222379A0 (it) Procedimento e dispositivo per la fabbricazione di bastoncini-filtro per articoli fumabili.
FR2524273B1 (fr) Filtre de fumee de tabac
ES272912Y (es) Filtro de humo del tabaco.
ES278854Y (es) Filtro de humo.
SE9403014D0 (sv) Filter för tobaksrök
ES278856Y (es) Filtro de humo.
SE8104886L (sv) Filter for tobaksrok
ES278855Y (es) Filtro de humo.
FR2659532B3 (fr) Destructeur de megots de cigarettes ou de cigares.
ATE18497T1 (de) Tabakrauchfilter.
HU902572D0 (en) Process for improving the effectiveness of cigarette smoke filters

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee