DK0550538T3 - Filtrering af tobaksrøg - Google Patents

Filtrering af tobaksrøg

Info

Publication number: DK0550538T3
Authority: DK; Denmark
Prior art keywords: tobacco smoke; filtering; polar; tobacco; incorporated
Prior art date: 1990-09-27

Application number

DK91916884.9T

Other languages

English (en)

Inventor

Robert A Marshall

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.)

1990-09-27

Filing date

1991-08-20

Publication date

1996-07-29

1991-08-20 Application filed by Center For Appl Res Inc filed Critical Center For Appl Res Inc

1996-07-29 Application granted granted Critical

1996-07-29 Publication of DK0550538T3 publication Critical patent/DK0550538T3/da

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)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Paper (AREA)
Manufacture Of Tobacco Products (AREA)

DK91916884.9T 1990-09-27 1991-08-20 Filtrering af tobaksrøg DK0550538T3 (da)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
DK0550538T3 true DK0550538T3 (da)	1996-07-29

Family

ID=24355358

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK91916884.9T DK0550538T3 (da)	1990-09-27	1991-08-20	Filtrering af tobaksrøg

Country Status (10)

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

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
GB2465093B (en) *	2007-07-09	2012-03-14	Gerd Tha Ne	Cigarette filter
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
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
US4037607A (en) *	1974-06-13	1977-07-26	Montclair Research Corporation	Cigarette and filter for tobacco smoke
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

1990
- 1990-09-27 US US07/588,803 patent/US5115824A/en not_active Expired - Fee Related
1991
- 1991-08-20 AT AT91916884T patent/ATE136197T1/de active
- 1991-08-20 CA CA002092525A patent/CA2092525A1/en not_active Abandoned
- 1991-08-20 DE DE69118549T patent/DE69118549T2/de not_active Expired - Fee Related
- 1991-08-20 JP JP3515865A patent/JPH06501154A/ja active Pending
- 1991-08-20 EP EP91916884A patent/EP0550538B1/en not_active Expired - Lifetime
- 1991-08-20 DK DK91916884.9T patent/DK0550538T3/da active
- 1991-08-20 ES ES91916884T patent/ES2088503T3/es not_active Expired - Lifetime
- 1991-08-20 WO PCT/US1991/005943 patent/WO1992005714A1/en not_active Ceased
1996
- 1996-07-02 GR GR960401806T patent/GR3020433T3/el unknown

Also Published As

Publication number	Publication date
WO1992005714A1 (en)	1992-04-16
ES2088503T3 (es)	1996-08-16
DE69118549D1 (de)	1996-05-09
GR3020433T3 (en)	1996-10-31
EP0550538B1 (en)	1996-04-03
EP0550538A1 (en)	1993-07-14
DE69118549T2 (de)	1996-11-21
JPH06501154A (ja)	1994-02-10
CA2092525A1 (en)	1992-03-28
ATE136197T1 (de)	1996-04-15
US5115824A (en)	1992-05-26

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