DE3939921C2 - - Google Patents
Info
- Publication number
- DE3939921C2 DE3939921C2 DE3939921A DE3939921A DE3939921C2 DE 3939921 C2 DE3939921 C2 DE 3939921C2 DE 3939921 A DE3939921 A DE 3939921A DE 3939921 A DE3939921 A DE 3939921A DE 3939921 C2 DE3939921 C2 DE 3939921C2
- Authority
- DE
- Germany
- Prior art keywords
- inner tube
- tube
- exhaust
- exhaust gas
- catalyst
- 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 - Lifetime
Links
- 239000007789 gas Substances 0.000 claims abstract description 32
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- 230000003197 catalytic effect Effects 0.000 claims abstract description 17
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000012041 precatalyst Substances 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 229910052593 corundum Inorganic materials 0.000 description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 description 5
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 229910003158 γ-Al2O3 Inorganic materials 0.000 description 3
- DUFCMRCMPHIFTR-UHFFFAOYSA-N 5-(dimethylsulfamoyl)-2-methylfuran-3-carboxylic acid Chemical compound CN(C)S(=O)(=O)C1=CC(C(O)=O)=C(C)O1 DUFCMRCMPHIFTR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 239000012018 catalyst precursor Substances 0.000 description 2
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- -1 aluminum silicates Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
-
- 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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/02—Tubes being perforated
- F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures
-
- 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/02—Two or more expansion chambers in series connected by means of tubes
- F01N2490/04—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet only in one direction
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3939921A DE3939921A1 (de) | 1989-12-02 | 1989-12-02 | Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip |
| AT90122290T ATE106112T1 (de) | 1989-12-02 | 1990-11-22 | Abgasreinigungssystem zur katalytischen reinigung der auspuffgase von zweitaktmotoren. |
| EP90122290A EP0431405B1 (de) | 1989-12-02 | 1990-11-22 | Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren |
| DE59005813T DE59005813D1 (de) | 1989-12-02 | 1990-11-22 | Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren. |
| JP02330819A JP3140044B2 (ja) | 1989-12-02 | 1990-11-30 | 内燃機関の排気ガスの接触清浄化装置 |
| BR909006082A BR9006082A (pt) | 1989-12-02 | 1990-11-30 | Disposicao para a purificacao catalitica dos gases de descarga de motores de combustao interna,especialmente segundo o principio de dois tempos |
| CN90109622A CN1027004C (zh) | 1989-12-02 | 1990-12-01 | 内燃机特别是两冲程内燃机的废气催化净化装置 |
| KR1019900019683A KR0171890B1 (en) | 1989-12-02 | 1990-12-01 | Arrangement for the catalytic purification of the exhaust gases of internal combustion engines, in particular two-strok engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3939921A DE3939921A1 (de) | 1989-12-02 | 1989-12-02 | Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3939921A1 DE3939921A1 (de) | 1991-06-06 |
| DE3939921C2 true DE3939921C2 (es) | 1992-11-05 |
Family
ID=6394688
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3939921A Granted DE3939921A1 (de) | 1989-12-02 | 1989-12-02 | Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip |
| DE59005813T Expired - Fee Related DE59005813D1 (de) | 1989-12-02 | 1990-11-22 | Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE59005813T Expired - Fee Related DE59005813D1 (de) | 1989-12-02 | 1990-11-22 | Abgasreinigungssystem zur katalytischen Reinigung der Auspuffgase von Zweitaktmotoren. |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0431405B1 (es) |
| JP (1) | JP3140044B2 (es) |
| KR (1) | KR0171890B1 (es) |
| CN (1) | CN1027004C (es) |
| AT (1) | ATE106112T1 (es) |
| BR (1) | BR9006082A (es) |
| DE (2) | DE3939921A1 (es) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958829A (en) * | 1992-02-14 | 1999-09-28 | Degussa-Huls Aktiengesellschaft | Coating dispersion for exhaust gas catalysts |
| FR2687431B1 (fr) * | 1992-02-14 | 1995-07-13 | Inst Francais Du Petrole | Tubulure d'echappement a paroi catalytique pour moteurs a combustion interne. |
| DE4244712C2 (de) * | 1992-02-14 | 1996-09-05 | Degussa | Beschichtungsdispersion zur Herstellung von kalysefördernden Überzügen auf einem inerten, strukturverstärkenden Körper |
| IT1267642B1 (it) * | 1993-12-09 | 1997-02-07 | Honda Motor Co Ltd | Dispositivo di scarico |
| CN1044932C (zh) * | 1994-07-14 | 1999-09-01 | 财团法人工业技术研究院 | 机车用管状式触媒净化装置 |
| JP3257906B2 (ja) * | 1994-09-05 | 2002-02-18 | 本田技研工業株式会社 | エンジンの排気浄化装置 |
| JP3369335B2 (ja) * | 1994-11-07 | 2003-01-20 | 本田技研工業株式会社 | 排気浄化装置 |
| FR2744138B1 (fr) * | 1996-01-25 | 1998-05-15 | Ecia Equip Composants Ind Auto | Utilisation d'un acier faiblement allie aluminie pour la fabrication d'une piece de la partie avant d'une ligne d'echappement et piece d'echappement obtenue |
| DE19921609A1 (de) * | 1999-05-10 | 2000-11-16 | Emitec Emissionstechnologie | Wabenkörperanordnung mit verschiedenen Abschnitten in einem Mantelrohr |
| JP2002070546A (ja) * | 2000-09-04 | 2002-03-08 | Shinba Iron Works Inc | 触媒パイプを装着した排気系管とその製造方法 |
| JP2011064192A (ja) * | 2009-08-21 | 2011-03-31 | Nichias Corp | 自動車用排気管 |
| US9790836B2 (en) | 2012-11-20 | 2017-10-17 | Tenneco Automotive Operating Company, Inc. | Loose-fill insulation exhaust gas treatment device and methods of manufacturing |
| BR112018069353A2 (pt) * | 2016-03-22 | 2019-01-22 | Yamaha Motor Co Ltd | veículo do tipo para montar |
| JP6640339B2 (ja) * | 2016-05-20 | 2020-02-05 | 株式会社キャタラー | ２ストローク汎用エンジン用排ガス浄化触媒 |
| IT201700061755A1 (it) * | 2017-06-06 | 2018-12-06 | Vins S R L | Motore termico a combustione interna a due tempi con catalizzatore allo scarico |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3061416A (en) * | 1957-11-22 | 1962-10-30 | George P Kazokas | Catalytic muffler |
| DE2942728A1 (de) * | 1979-10-23 | 1981-05-07 | Bremshey Ag, 5650 Solingen | Doppelwandige auspuffrohrleitung |
| DE3415075C2 (de) * | 1984-04-21 | 1986-05-22 | Insumma GmbH, 8500 Nürnberg | Vorrichtung zur Reinigung von Abgasen, insbesondere für Dieselmotoren |
| AT396170B (de) * | 1989-06-01 | 1993-06-25 | Laimboeck Franz | Auspuffanlage fuer zweitakt-brennkraftmaschinen |
-
1989
- 1989-12-02 DE DE3939921A patent/DE3939921A1/de active Granted
-
1990
- 1990-11-22 EP EP90122290A patent/EP0431405B1/de not_active Expired - Lifetime
- 1990-11-22 AT AT90122290T patent/ATE106112T1/de not_active IP Right Cessation
- 1990-11-22 DE DE59005813T patent/DE59005813D1/de not_active Expired - Fee Related
- 1990-11-30 JP JP02330819A patent/JP3140044B2/ja not_active Expired - Fee Related
- 1990-11-30 BR BR909006082A patent/BR9006082A/pt unknown
- 1990-12-01 CN CN90109622A patent/CN1027004C/zh not_active Expired - Fee Related
- 1990-12-01 KR KR1019900019683A patent/KR0171890B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE59005813D1 (de) | 1994-06-30 |
| JPH03229913A (ja) | 1991-10-11 |
| CN1052355A (zh) | 1991-06-19 |
| BR9006082A (pt) | 1991-09-24 |
| KR910012501A (ko) | 1991-08-08 |
| DE3939921A1 (de) | 1991-06-06 |
| JP3140044B2 (ja) | 2001-03-05 |
| EP0431405A1 (de) | 1991-06-12 |
| CN1027004C (zh) | 1994-12-14 |
| KR0171890B1 (en) | 1999-03-20 |
| EP0431405B1 (de) | 1994-05-25 |
| ATE106112T1 (de) | 1994-06-15 |
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