DE3874924T2 - Diesel-abgas-partikelfilter. - Google Patents
Diesel-abgas-partikelfilter.Info
- Publication number
- DE3874924T2 DE3874924T2 DE19883874924 DE3874924T DE3874924T2 DE 3874924 T2 DE3874924 T2 DE 3874924T2 DE 19883874924 DE19883874924 DE 19883874924 DE 3874924 T DE3874924 T DE 3874924T DE 3874924 T2 DE3874924 T2 DE 3874924T2
- Authority
- DE
- Germany
- Prior art keywords
- particle filter
- diesel exhaust
- exhaust particle
- diesel
- filter
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
- F01N3/0256—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases the fuel being ignited by electrical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/031—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start
- F01N3/032—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start during filter regeneration only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
- F01N2410/04—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device during regeneration period, e.g. of particle filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87249—Multiple inlet with multiple outlet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/877—With flow control means for branched passages
- Y10T137/87788—With valve or movable deflector at junction
- Y10T137/8782—Rotary valve or deflector
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Processes For Solid Components From Exhaust (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6641087A JPS63235775A (ja) | 1987-03-20 | 1987-03-20 | 切り替えバルブ |
JP62066411A JPS63235612A (ja) | 1987-03-20 | 1987-03-20 | デイ−ゼル排ガス浄化装置 |
JP20670287A JPS6453010A (en) | 1987-08-20 | 1987-08-20 | Exhaust emission controlling burner |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3874924D1 DE3874924D1 (de) | 1992-11-05 |
DE3874924T2 true DE3874924T2 (de) | 1993-04-01 |
Family
ID=27299119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19883874924 Expired - Fee Related DE3874924T2 (de) | 1987-03-20 | 1988-03-15 | Diesel-abgas-partikelfilter. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4840028A (de) |
EP (1) | EP0283240B1 (de) |
AU (1) | AU597479B2 (de) |
CA (1) | CA1308361C (de) |
DE (1) | DE3874924T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016220417A1 (de) * | 2016-10-18 | 2018-04-19 | Hug Engineering Ag | Abscheidevorrichtung und Verfahren zum Betreiben einer Abscheidevorrichtung |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283240B1 (de) * | 1987-03-20 | 1992-09-30 | Matsushita Electric Industrial Co., Ltd. | Diesel-Abgas-Partikelfilter |
DE3837472C2 (de) * | 1988-11-04 | 1998-09-24 | Deutz Ag | Partikelfiltersystem |
US5199257A (en) * | 1989-02-10 | 1993-04-06 | Centro Sviluppo Materiali S.P.A. | Device for removal of particulates from exhaust and flue gases |
US5212948A (en) * | 1990-09-27 | 1993-05-25 | Donaldson Company, Inc. | Trap apparatus with bypass |
US5284016A (en) * | 1992-08-28 | 1994-02-08 | General Motors Corporation | Exhaust gas burner reactor |
US5320523A (en) * | 1992-08-28 | 1994-06-14 | General Motors Corporation | Burner for heating gas stream |
US5339630A (en) * | 1992-08-28 | 1994-08-23 | General Motors Corporation | Exhaust burner catalyst preheater |
US5444976A (en) * | 1994-06-27 | 1995-08-29 | General Motors Corporation | Catalytic converter heating |
US5547641A (en) * | 1995-01-10 | 1996-08-20 | Caterpillar Inc. | Catalytic converter exhaust section for an internal combustion engine |
US5616350A (en) * | 1995-04-10 | 1997-04-01 | Cincinnati Milacron Inc. | Dual flow divider with diverter valve |
DE19525134C2 (de) * | 1995-07-12 | 1997-09-04 | Freudenberg Carl Fa | Vorrichtung zur Reinigung von Abgas einer gemischverdichtenden Verbrennungskraftmaschine |
US5771683A (en) * | 1995-08-30 | 1998-06-30 | Southwest Research Institute | Active porous medium aftertreatment control system |
KR100418159B1 (ko) * | 1996-08-16 | 2004-04-17 | 김대식 | 컴팩트형고온공기정화기 |
JP3557928B2 (ja) * | 1998-12-22 | 2004-08-25 | トヨタ自動車株式会社 | リーンNOx触媒を有する内燃機関 |
US6233926B1 (en) * | 2000-03-01 | 2001-05-22 | Illinois Valley Holding Company | Apparatus and method for filtering particulate in an exhaust trap |
US6572357B2 (en) | 2001-02-27 | 2003-06-03 | Illinois Valley Holding Comany | Apparatus for manufacturing monolithic cross flow particulate traps |
DE10130872A1 (de) * | 2001-06-30 | 2003-01-30 | Gerd Gaiser | Verfahren zur Reinigung von Abgasen |
FR2840354A1 (fr) * | 2002-06-04 | 2003-12-05 | Jean Claude Fayard | Dispositif de filtration des gaz d'echappement pour moteur diesel a surface de filtration variable par obstruction commandee |
US6735940B2 (en) * | 2002-07-11 | 2004-05-18 | Fleetguard, Inc. | Adsorber aftertreatment system having dual adsorbers |
US6694727B1 (en) * | 2002-09-03 | 2004-02-24 | Arvin Technologies, Inc. | Exhaust processor |
US7269942B2 (en) * | 2003-05-15 | 2007-09-18 | Illinois Valley Holding Company | Wall flow particulate trap system |
GB2408470B (en) * | 2003-11-25 | 2007-06-13 | Arvin Internat | An internal combustion engine exhaust system |
US7628011B2 (en) * | 2004-01-13 | 2009-12-08 | Emcon Technologies Llc | Emission abatement assembly and method of operating the same |
US7297174B2 (en) * | 2004-02-11 | 2007-11-20 | Et Us Holdings, Llc | Particulate filter assembly |
DE102004008415A1 (de) * | 2004-02-20 | 2005-09-01 | Arvin Technologies, Inc., Troy | Vorrichtung zum Reinigen von Fahrzeugabgasen, insbesondere Dieselrußfilter |
DE102004013458A1 (de) * | 2004-03-18 | 2005-10-20 | Arvin Technologies Inc | Vorrichtung zum Reinigen von Fahrzeugabgasen |
DE102004016690A1 (de) * | 2004-04-05 | 2005-10-27 | Arvin Technologies, Inc., Troy | Vorrichtung zum Reinigen von Fahrzeugabgasen, insbesondere Dieselrußfilter, und Fahrzeug mit entsprechender Vorrichtung |
US7332016B2 (en) * | 2004-07-30 | 2008-02-19 | Caterpillar Inc. | Particulate trap with selective blocking element |
US20060048500A1 (en) * | 2004-09-09 | 2006-03-09 | Loving Ronald E | Engine exhaust re-burner system |
AT501042B8 (de) * | 2005-02-02 | 2007-02-15 | Pankl Emission Control Systems | Vorrichtung zum reinigen von kraftfahrzeugabgasen |
FR2881793B1 (fr) * | 2005-02-04 | 2007-05-11 | Melchior Jean F | Moteur alternatif a combustion interne et procede d'elimination des particules des gaz brules pour un tel moteur alternatif |
US20060218902A1 (en) * | 2005-03-31 | 2006-10-05 | Solar Turbines Incorporated | Burner assembly for particulate trap regeneration |
US20060254260A1 (en) * | 2005-05-16 | 2006-11-16 | Arvinmeritor Emissions Technologies Gmbh | Method and apparatus for piezoelectric injection of agent into exhaust gas for use with emission abatement device |
US7246005B2 (en) * | 2005-06-07 | 2007-07-17 | Arvin Technologies, Inc. | Method and apparatus for controlling a component by feed-forward closed-loop controller state modification |
US7332142B2 (en) * | 2005-06-17 | 2008-02-19 | Emcon Tehnologies Germany (Augsburg) Gmbh | Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device |
US7481048B2 (en) * | 2005-06-30 | 2009-01-27 | Caterpillar Inc. | Regeneration assembly |
US7406822B2 (en) * | 2005-06-30 | 2008-08-05 | Caterpillar Inc. | Particulate trap regeneration system and control strategy |
US20070158466A1 (en) * | 2005-12-29 | 2007-07-12 | Harmon Michael P | Nozzle assembly |
US20070235556A1 (en) * | 2006-03-31 | 2007-10-11 | Harmon Michael P | Nozzle assembly |
US20070228191A1 (en) * | 2006-03-31 | 2007-10-04 | Caterpillar Inc. | Cooled nozzle assembly for urea/water injection |
US7980061B2 (en) * | 2008-03-04 | 2011-07-19 | Tenneco Automotive Operating Company Inc. | Charged air bypass for aftertreatment combustion air supply |
CN102803696A (zh) * | 2009-06-11 | 2012-11-28 | Stt伊姆特克公司 | 排气再循环系统 |
CN101694173B (zh) * | 2009-10-16 | 2011-09-07 | 徐和平 | 柴油机尾气净化器 |
FR2990739B1 (fr) * | 2012-05-15 | 2016-07-22 | Valeo Systemes De Controle Moteur | Vanne pour commander la circulation de fluide, a moyen d'obturation rotatif |
FR2990740B1 (fr) * | 2012-05-15 | 2014-05-02 | Valeo Sys Controle Moteur Sas | Vanne de circulation de fluide, notamment pour vehicule automobile, et dispositif de conditionnement thermique comprenant une telle vanne |
US20140053519A1 (en) * | 2012-08-27 | 2014-02-27 | Wen-Lo Chen | Device for combustion and purification treatment of automobile smoky exhaust |
DE102012017278A1 (de) | 2012-08-31 | 2014-03-06 | Volkswagen Aktiengesellschaft | Antriebsaggregat für ein Kraftfahrzeug und Verfahren zurn Betreiben eines solchen |
US9291081B2 (en) | 2013-05-07 | 2016-03-22 | Tenneco Automotive Operating Company Inc. | Axial flow atomization module |
US9364790B2 (en) | 2013-05-07 | 2016-06-14 | Tenneco Automotive Operating Company Inc. | Exhaust mixing assembly |
US9314750B2 (en) | 2013-05-07 | 2016-04-19 | Tenneco Automotive Operating Company Inc. | Axial flow atomization module |
US9352276B2 (en) | 2013-05-07 | 2016-05-31 | Tenneco Automotive Operating Company Inc. | Exhaust mixing device |
US9289724B2 (en) | 2013-05-07 | 2016-03-22 | Tenneco Automotive Operating Company Inc. | Flow reversing exhaust gas mixer |
US9334781B2 (en) | 2013-05-07 | 2016-05-10 | Tenneco Automotive Operating Company Inc. | Vertical ultrasonic decomposition pipe |
CN103541788A (zh) * | 2013-11-12 | 2014-01-29 | 上海三一重机有限公司 | 发动机排气过滤装置及其工程机械 |
US9534525B2 (en) | 2015-05-27 | 2017-01-03 | Tenneco Automotive Operating Company Inc. | Mixer assembly for exhaust aftertreatment system |
UA120644C2 (uk) | 2017-10-27 | 2020-01-10 | Євген Олександрович Баранник | Спосіб і пристрій для ультразвукового вимірювання та візуалізації пружності біологічних тканин в реальному часі |
HUE056216T2 (hu) * | 2018-11-27 | 2022-02-28 | Akrapovic D D | Áramlás- és zajszint szabályozó szelep, valamint kipufogó rendszer |
IT202000017989A1 (it) * | 2020-07-24 | 2022-01-24 | Marelli Europe Spa | Dispositivo riscaldatore per un sistema di scarico di un motore a combustione interna |
CN113006915B (zh) * | 2021-03-26 | 2022-08-02 | 重庆汽车消声器有限责任公司 | 一种用于小吨位内燃车的降噪环保消声器 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR958836A (de) * | 1950-03-21 | |||
US4195063A (en) * | 1974-09-03 | 1980-03-25 | Matsushita Electric Industrial Co., Ltd. | Catalyst element for cleaning exhaust gases |
IT1027455B (it) * | 1975-02-04 | 1978-11-20 | Casem S N C Di Lumello Carlo | Valvola miscelatrice a quattro vie particolarmente per impianti di riscaldamento del tipo monotubo |
US4169491A (en) * | 1977-11-18 | 1979-10-02 | Bajka Engineering Enterprises | Three port two-way diverter valve with integral drain on one output port |
DE2902364C2 (de) * | 1979-01-22 | 1983-03-24 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Rohrweiche |
JPS56118514A (en) * | 1980-02-25 | 1981-09-17 | Nippon Soken Inc | Cleaner for carbon particles of internal combustion engine |
JPS5779209A (en) * | 1980-11-01 | 1982-05-18 | Nippon Denso Co Ltd | Exhaust gas purifier |
US4373330A (en) * | 1981-06-29 | 1983-02-15 | General Motors Corporation | Diesel engine dual path exhaust cleaner and burner system |
US4381643A (en) * | 1981-08-03 | 1983-05-03 | General Motors Corporation | Diesel exhaust cleaner and burner system with constant burner air mixture supply |
JPS58101210A (ja) * | 1981-12-10 | 1983-06-16 | Nippon Soken Inc | 内燃機関の排気ガス微粒子浄化装置 |
DE3204176A1 (de) * | 1982-02-06 | 1983-08-11 | Forschungsgesellschaft für Energietechnik und Verbrennungsmotoren mbH, 5100 Aachen | Vorrichtung zur verringerung der partikelemission von dieselmotoren durch abgasnachbehandlung |
AU540009B2 (en) * | 1982-02-16 | 1984-10-25 | Matsushita Electric Industrial Co., Ltd. | Exhaust gas filter |
JPS59186621A (ja) * | 1983-04-05 | 1984-10-23 | Ngk Insulators Ltd | 多孔体 |
US4566628A (en) * | 1984-03-02 | 1986-01-28 | Tekmar Angewandte Elektronik Gmbh & Co. Kg | Method of and system for controlling the ratio between the water flow rate in the primary circuit and the water flow rate in the secondary circuit of a hot water heating system |
JPS60184917A (ja) * | 1984-03-02 | 1985-09-20 | Hitachi Ltd | デイ−ゼルパテイキユレ−ト低減装置 |
JPS6111415A (ja) * | 1984-06-27 | 1986-01-18 | Mitsubishi Electric Corp | 車載用燃焼装置 |
JPH0621545B2 (ja) * | 1985-06-26 | 1994-03-23 | いすゞ自動車株式会社 | 排気微粒子濾過器の再生装置 |
EP0213725A3 (de) * | 1985-08-05 | 1987-07-29 | BREHK Ventures | Verfahren und Vorrichtung zur Abscheidung und Einäscherung von Partikeln aus dem Abgas von Dieselmotoren |
DE8701816U1 (de) * | 1987-02-06 | 1987-04-09 | Man Technologie Gmbh, 8000 Muenchen, De | |
EP0283240B1 (de) * | 1987-03-20 | 1992-09-30 | Matsushita Electric Industrial Co., Ltd. | Diesel-Abgas-Partikelfilter |
-
1988
- 1988-03-15 EP EP19880302237 patent/EP0283240B1/de not_active Expired - Lifetime
- 1988-03-15 US US07/170,437 patent/US4840028A/en not_active Expired - Lifetime
- 1988-03-15 DE DE19883874924 patent/DE3874924T2/de not_active Expired - Fee Related
- 1988-03-16 AU AU13170/88A patent/AU597479B2/en not_active Ceased
- 1988-03-16 CA CA 561559 patent/CA1308361C/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016220417A1 (de) * | 2016-10-18 | 2018-04-19 | Hug Engineering Ag | Abscheidevorrichtung und Verfahren zum Betreiben einer Abscheidevorrichtung |
Also Published As
Publication number | Publication date |
---|---|
US4840028A (en) | 1989-06-20 |
DE3874924D1 (de) | 1992-11-05 |
AU1317088A (en) | 1988-10-20 |
AU597479B2 (en) | 1990-05-31 |
EP0283240A2 (de) | 1988-09-21 |
EP0283240A3 (en) | 1989-01-25 |
CA1308361C (en) | 1992-10-06 |
EP0283240B1 (de) | 1992-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |