EP0659355A3 - Filtre pour l'élimination des oxides d'azote de la fumie de tabac. - Google Patents

Filtre pour l'élimination des oxides d'azote de la fumie de tabac. Download PDF

Info

Publication number: EP0659355A3
Authority: EP; European Patent Office
Prior art keywords: filter; nitrogen oxides; tobacco smoke; eliminating nitrogen; eliminating
Prior art date: 1993-12-22
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP94119946A

Other languages

German (de)

English (en)

Other versions

EP0659355A2 (fr

Inventor

Erich Dr Bloecker

Andreas Dr Schleicher

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.)

Hoechst AG

Original Assignee

Hoechst AG

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.)

1993-12-22

Filing date

1994-12-16

Publication date

1997-04-16

1994-12-16 Application filed by Hoechst AG filed Critical Hoechst AG

1995-06-28 Publication of EP0659355A2 publication Critical patent/EP0659355A2/fr

1997-04-16 Publication of EP0659355A3 publication Critical patent/EP0659355A3/fr

Status Withdrawn legal-status Critical Current

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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Manufacture Of Tobacco Products (AREA)
Treating Waste Gases (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

EP94119946A 1993-12-22 1994-12-16 Filtre pour l'élimination des oxides d'azote de la fumie de tabac. Withdrawn EP0659355A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4343920		1993-12-22
DE4343920A DE4343920A1 (de)	1993-12-22	1993-12-22	Filter zur Entfernung von Stickoxiden aus Tabakrauch

Publications (2)

Publication Number	Publication Date
EP0659355A2 EP0659355A2 (fr)	1995-06-28
EP0659355A3 true EP0659355A3 (fr)	1997-04-16

Family

ID=6505829

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94119946A Withdrawn EP0659355A3 (fr)	1993-12-22	1994-12-16	Filtre pour l'élimination des oxides d'azote de la fumie de tabac.

Country Status (4)

Country	Link
US (1)	US5575302A (fr)
EP (1)	EP0659355A3 (fr)
JP (1)	JPH07203936A (fr)
DE (1)	DE4343920A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4428727A1 (de) *	1994-08-15	1996-02-29	Hoechst Ag	Filtermaterial und Verfahren zur Entfernung von Halogenen und peroxidhaltigen Verbindungen
WO1996012551A1 (fr) *	1994-10-25	1996-05-02	Hoechst Aktiengesellschaft	Materiau filtrant et procede de production de gaz ou de liquides sans no¿2?
EP1322191B2 (fr)	2000-10-05	2018-08-01	Schweitzer-Mauduit International, Inc.	Reduction de nitrosamines dans le tabac et dans des produits a base de tabac
US20030066539A1 (en) *	2001-08-01	2003-04-10	Figlar James N.	Cigarette Filter
US6779529B2 (en) *	2001-08-01	2004-08-24	Brown & Williamson Tobacco Corporation	Cigarette filter
ES2206046B1 (es) *	2002-10-21	2005-08-01	Juan Guerrero Moles	Filtro catalitico para cigarrillos.
US20050133053A1 (en) *	2003-12-22	2005-06-23	Philip Morris Usa Inc.	Smoking articles comprising copper-exchanged molecular sieves
JP4820596B2 (ja) *	2005-07-21	2011-11-24	住友精化株式会社	一酸化窒素精製方法
WO2014141201A2 (fr)	2013-03-15	2014-09-18	Fall Safall	Procédé de réduction des nitrosamines spécifiques du tabac

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2150806A (en) *	1983-11-25	1985-07-10	Filtrona Ltd	Tobacco smoke filter
EP0250806A2 (fr) *	1986-06-30	1988-01-07	Hercules Incorporated	Procédé et dispositif pour éliminer l'oxyde nitrique de la fumée de cigarette
JPH01111095A (ja) *	1987-10-22	1989-04-27	Toray Ind Inc	活性炭素繊維成形物
EP0351352A2 (fr) *	1988-07-15	1990-01-17	Schering Aktiengesellschaft	Ergoline substituées en 2, leur préparation et utilisation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3434479A (en) *	1966-09-15	1969-03-25	Liggett & Myers Tobacco Co	Permanganate tobacco smoke filter
US4661299A (en) *	1985-03-04	1987-04-28	Phillips Petroleum Company	Radio frequency energy sensitized compositions and method for sensitizing compositions to radio frequency energy
US4767799A (en) *	1985-03-04	1988-08-30	Phillips Petroleum Company	Radio frequency energy sensitized compositions and method for sensitizing compositions to radio frequency energy
US4968726A (en) *	1985-03-04	1990-11-06	Phillips Petroleum Company	Radio frequency energy sensitized compositions and method for sensitizing compositions to ratio frequency energy
US4790965A (en) *	1985-03-04	1988-12-13	Phillips Petroleum Company	Method for sensitizing compositions to radio frequency energy
US4763674A (en) *	1986-04-16	1988-08-16	Hercules Incorporated	Method and device for controlling hydrogen cyanide and nitric oxide concentrations in cigarette smoke
US4810590A (en) *	1987-02-19	1989-03-07	Phillips Petroleum Company	Poly(arylene sulfide) encapsulation process and article
US4749598A (en) *	1987-02-19	1988-06-07	Phillips Petroleum Company	Poly(arylene sulfide) composition and process
JPH02113878A (ja) *	1988-07-15	1990-04-26	Moscow Tabacnaja Fab Yava	タバコの煙から酸化窒素を吸収するための組成物及び該組成物を用いてタバコの煙を浄化するためのフィルター
DE4345218C2 (de) *	1993-08-24	1997-09-04	Hoechst Ag	Verfahren zur Entfernung von Stickoxiden aus Gasen und Flüssigkeiten

1993
- 1993-12-22 DE DE4343920A patent/DE4343920A1/de not_active Withdrawn
1994
- 1994-12-16 EP EP94119946A patent/EP0659355A3/fr not_active Withdrawn
- 1994-12-20 US US08/359,556 patent/US5575302A/en not_active Expired - Fee Related
- 1994-12-21 JP JP6317844A patent/JPH07203936A/ja active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2150806A (en) *	1983-11-25	1985-07-10	Filtrona Ltd	Tobacco smoke filter
EP0250806A2 (fr) *	1986-06-30	1988-01-07	Hercules Incorporated	Procédé et dispositif pour éliminer l'oxyde nitrique de la fumée de cigarette
JPH01111095A (ja) *	1987-10-22	1989-04-27	Toray Ind Inc	活性炭素繊維成形物
EP0351352A2 (fr) *	1988-07-15	1990-01-17	Schering Aktiengesellschaft	Ergoline substituées en 2, leur préparation et utilisation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 8923, Derwent World Patents Index; AN 89-169638, XP002025144 *

Also Published As

Publication number	Publication date
DE4343920A1 (de)	1995-06-29
EP0659355A2 (fr)	1995-06-28
JPH07203936A (ja)	1995-08-08
US5575302A (en)	1996-11-19

Publication	Publication Date	Title
EP0628260A3 (fr)	1995-03-22	Filtre à cigarette.
ZA927719B (en)	1993-05-04	Tobacco smoke filter.
FI954872L (fi)	1995-11-30	Tupakansavun suodatinjärjestelmä
ZA912914B (en)	1992-03-25	Cigarette smoke filter
GB8926750D0 (en)	1990-01-17	Highly efficient tobacco smoke filter
HUP9903488A3 (en)	2001-02-28	Filter cigarette
EP0632969A3 (fr)	1995-03-29	Cordon filtrant et son procédé de fabrication ainsi qu'une filtre pour fumée de tabac et son procédé de fabrication.
ZA927171B (en)	1993-03-24	Filter tip cigarettes.
EP0632968A3 (fr)	1995-03-29	Cordon filtrant et son procédé de fabrication ainsi qu'un filtre pour fumée de tabac et son procédé de fabrication.
GR3025071T3 (en)	1998-01-30	Tobacco pouch.
GB9210681D0 (en)	1992-07-01	Filter cigarette manufacture
EP0642220A3 (fr)	1995-07-05	Filtre à ondes acoustiques de surface.
EP0663849A4 (fr)	1996-09-25	Filtre a gaz.
EP0659355A3 (fr)	1997-04-16	Filtre pour l'élimination des oxides d'azote de la fumie de tabac.
EP0637873A3 (fr)	1995-07-05	Filtre à ondes acoustiques de surface.
GB2263384B (en)	1996-03-06	Cigarette filter manufacture
GB9200904D0 (en)	1992-03-11	Cigarette filter manufacture
ZA939241B (en)	1994-08-05	Smoking room.
EP0493026A3 (en)	1992-12-16	Cigarette filter
GB9226775D0 (en)	1993-02-17	Cigarette filter
ZA939676B (en)	1994-08-26	Cigarette filter rod elements and cigarettes incorporating such filter rod elements.
GB2273435B (en)	1997-04-09	Smokers ashtray.
GB2289611B (en)	1998-03-04	Cigarette conveyor system.
GB9220678D0 (en)	1992-11-11	Tobacco smoke filter
GB9324464D0 (en)	1994-01-12	Cigarette filters

Legal Events

Date	Code	Title	Description
1995-05-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1995-06-28	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT NL
1997-02-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1997-04-16	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT NL
1997-08-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
1997-10-15	18W	Application withdrawn	Withdrawal date: 19970814