MX9304701A - Aparato y metodo para modificar mezclas gaseosas. - Google Patents
Aparato y metodo para modificar mezclas gaseosas.Info
- Publication number
- MX9304701A MX9304701A MX9304701A MX9304701A MX9304701A MX 9304701 A MX9304701 A MX 9304701A MX 9304701 A MX9304701 A MX 9304701A MX 9304701 A MX9304701 A MX 9304701A MX 9304701 A MX9304701 A MX 9304701A
- Authority
- MX
- Mexico
- Prior art keywords
- cells
- gaseous mixture
- inlet end
- outlet end
- open
- Prior art date
Links
Classifications
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
-
- 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
- F01N13/0097—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 the purifying devices are arranged in a single housing
-
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0835—Hydrocarbons
-
- 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
- F01N3/101—Three-way catalysts
-
- 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
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/04—Sulfur or sulfur oxides
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/05—Methods of making filter
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/30—Exhaust treatment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Sampling And Sample Adjustment (AREA)
- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
Abstract
Se describe un aparato, un sistema y un método para modificar una mezcla gaseosa. El aparato comprende un cuerpo unitario que tiene un extremo de entrada, un extremo de salida y una multiplicidad de celdas que se extienden desde el extremo de entrada al extremo de salida; estando separadas las celadas entre sí por paredes porosas, y material de relleno que comprende material de polvo activo, eléctricamente no conductor, cargado por lo menos en parte del volumen de las celdas, con algunas de las celdas sin cargar y abiertas, en donde una mezcla gaseosa entra en el cuerpo en el extremo de entrada, a través de la celdas abiertas, y por lo menos algo de la mezcla gaseosa pasa a través de las paredes porosas y es modificado en su composición por el material activo; y posteriormente, la mezcla modificada resultante pasa a través de las celdas abiertas y sale del cuerpo en el extremo de entrada. Se puede usar el aparato conjuntamente con otros aparatos que son catalizados para formar un sistema modificador de gas. El aparato y el sistema son especialmente adecuados para la conversión de hidrocarburos, NOx y CO, tal como los procedentes de alto-escape y para aplicaciones Denox.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/925,020 US5260035A (en) | 1992-08-05 | 1992-08-05 | Apparatus and method for modifying gaseous mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9304701A true MX9304701A (es) | 1994-02-28 |
Family
ID=25451081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9304701A MX9304701A (es) | 1992-08-05 | 1993-08-03 | Aparato y metodo para modificar mezclas gaseosas. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5260035A (es) |
EP (1) | EP0585572B1 (es) |
JP (1) | JPH06182219A (es) |
KR (1) | KR940003594A (es) |
AT (1) | ATE157902T1 (es) |
AU (1) | AU661600B2 (es) |
BR (1) | BR9302927A (es) |
CA (1) | CA2096197A1 (es) |
DE (1) | DE69313764T2 (es) |
MX (1) | MX9304701A (es) |
TW (1) | TW279811B (es) |
Families Citing this family (51)
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FR2693664B1 (fr) * | 1992-07-20 | 1994-09-02 | Ceramiques Tech Soc D | Dispositif à membrane pour filtration, séparation ou réaction catalytique. |
JPH0780324A (ja) * | 1993-09-09 | 1995-03-28 | Usui Internatl Ind Co Ltd | メタル担体 |
JP3526084B2 (ja) * | 1993-12-28 | 2004-05-10 | 日本碍子株式会社 | 排ガス浄化用吸着・触媒体、吸着体、排ガス浄化システム及び排ガス浄化方法 |
DE19546484A1 (de) * | 1995-12-13 | 1997-07-10 | Daimler Benz Ag | Verfahren zum Betreiben einer Reinigungsanlage für Gase sowie eine Reinigungsanlage für Gase |
JP3447407B2 (ja) * | 1994-12-26 | 2003-09-16 | 本田技研工業株式会社 | 排気ガス浄化装置 |
JPH0949421A (ja) * | 1995-05-30 | 1997-02-18 | Sumitomo Electric Ind Ltd | ディーゼルエンジン用パティキュレートトラップ |
DE69629979T2 (de) * | 1995-06-02 | 2004-07-29 | Corning Inc. | Vorrichtung zur Entfernung von Kontaminationen aus Fluidströmen |
DE19546482A1 (de) * | 1995-12-13 | 1997-06-26 | Basf Ag | Verfahren zum Betreiben einer Reinigungsanlage, eine Reinigungsanlage und eine Verwendung derselben |
US5641332A (en) * | 1995-12-20 | 1997-06-24 | Corning Incorporated | Filtraion device with variable thickness walls |
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JP2001503668A (ja) | 1996-08-19 | 2001-03-21 | フォルクスワーゲン・アクチェンゲゼルシャフト | NO▲下x▼吸収体 |
DE19653910A1 (de) * | 1996-12-21 | 1998-06-25 | Daimler Benz Ag | Verfahren und Katalysator zur Verringerung von Schadstoffen in Gasen |
US6077436A (en) * | 1997-01-06 | 2000-06-20 | Corning Incorporated | Device for altering a feed stock and method for using same |
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KR100331210B1 (ko) * | 1998-04-01 | 2002-04-01 | 마스다 노부유키 | 유해 물질을 함유하는 오염 기체의 처리방법 및 처리장치 |
US6167696B1 (en) * | 1999-06-04 | 2001-01-02 | Ford Motor Company | Exhaust gas purification system for low emission vehicle |
DE20023990U1 (de) * | 1999-09-29 | 2008-09-18 | IBIDEN CO., LTD., Ogaki-shi | Keramische Filteranordnung |
US6510686B2 (en) * | 2000-03-27 | 2003-01-28 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifier for internal combustion engine and method for purifying exhaust gas |
US6568178B2 (en) * | 2000-03-28 | 2003-05-27 | Toyota Jidosha Kabushiki Kaisha | Device for purifying the exhaust gas of an internal combustion engine |
DE10027401A1 (de) * | 2000-06-02 | 2001-12-20 | Emitec Emissionstechnologie | Kleinvolumiger Absorber |
JP2002285834A (ja) * | 2001-03-28 | 2002-10-03 | Kawasaki Heavy Ind Ltd | ディーゼルエンジン排ガス中の窒素酸化物除去方法 |
JP4565424B2 (ja) * | 2001-05-25 | 2010-10-20 | 日産自動車株式会社 | 排気ガス浄化触媒 |
JP4550434B2 (ja) * | 2004-01-15 | 2010-09-22 | 日本碍子株式会社 | セル構造体及びその製造方法 |
DE202005000897U1 (de) * | 2004-11-30 | 2006-04-06 | Hengst Gmbh & Co.Kg | Ionentauscher mit Wechseleinsatz |
US7384442B2 (en) * | 2005-02-28 | 2008-06-10 | Corning Incorporated | Ceramic wall-flow filter including heat absorbing elements and methods of manufacturing same |
JP4616752B2 (ja) * | 2005-10-26 | 2011-01-19 | 日本碍子株式会社 | ハニカム構造体 |
US7640732B2 (en) | 2005-11-16 | 2010-01-05 | Geo2 Technologies, Inc. | Method and apparatus for filtration of a two-stroke engine exhaust |
US20070111878A1 (en) | 2005-11-16 | 2007-05-17 | Bilal Zuberi | Extrudable mixture for forming a porous block |
US20070107396A1 (en) * | 2005-11-16 | 2007-05-17 | Bilal Zuberi | Method and apparatus for a gas-liquid separator |
US7938877B2 (en) | 2005-11-16 | 2011-05-10 | Geo2 Technologies, Inc. | Low coefficient of thermal expansion materials including modified aluminosilicate fibers and methods of manufacture |
US7938876B2 (en) | 2005-11-16 | 2011-05-10 | GE02 Technologies, Inc. | Low coefficient of thermal expansion materials including nonstoichiometric cordierite fibers and methods of manufacture |
US8039050B2 (en) | 2005-12-21 | 2011-10-18 | Geo2 Technologies, Inc. | Method and apparatus for strengthening a porous substrate |
DE102007002840A1 (de) * | 2007-01-19 | 2008-07-24 | Robert Bosch Gmbh | Abgasanlage für einen Kolbenmotor |
US20090000475A1 (en) * | 2007-06-29 | 2009-01-01 | Curtis Robert Fekety | Zeolite membrane structures and methods of making zeolite membrane structures |
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US10335759B2 (en) | 2007-11-05 | 2019-07-02 | Velocys, Inc. | Loading/unloading of particulates to/from microchannel reactors |
US8497018B2 (en) * | 2010-01-27 | 2013-07-30 | Applied Thin Films, Inc. | High temperature stable amorphous silica-rich aluminosilicates |
US8202350B2 (en) * | 2009-06-25 | 2012-06-19 | Sri International | Method and apparatus for gas removal |
US8240194B2 (en) | 2009-07-30 | 2012-08-14 | Ford Global Technologies, Llc | Methods and systems for diagnostics of an emission system with more than one SCR region |
US8516798B2 (en) * | 2009-07-30 | 2013-08-27 | Ford Global Technologies, Llc | Methods and systems for control of an emission system with more than one SCR region |
CN102822460B (zh) | 2010-03-26 | 2015-04-29 | 株式会社科特拉 | 废气净化系统 |
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JP5916310B2 (ja) * | 2011-07-26 | 2016-05-11 | 日本碍子株式会社 | ハニカム触媒担体 |
US9272262B2 (en) * | 2011-12-16 | 2016-03-01 | King Abdullah University of Science and Technology (KAUST) | Materials for gas capture, methods of making materials for gas capture, and methods of capturing gas |
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DE102018004002A1 (de) * | 2018-05-17 | 2019-11-21 | A. Kayser Automotive Systems Gmbh | Aktivkohlefilter mit Sperrschicht |
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-
1992
- 1992-08-05 US US07/925,020 patent/US5260035A/en not_active Expired - Fee Related
-
1993
- 1993-05-13 CA CA002096197A patent/CA2096197A1/en not_active Abandoned
- 1993-06-16 TW TW082104946A patent/TW279811B/zh active
- 1993-07-13 AT AT93111184T patent/ATE157902T1/de not_active IP Right Cessation
- 1993-07-13 EP EP93111184A patent/EP0585572B1/en not_active Expired - Lifetime
- 1993-07-13 DE DE69313764T patent/DE69313764T2/de not_active Expired - Fee Related
- 1993-07-20 BR BR9302927A patent/BR9302927A/pt not_active Application Discontinuation
- 1993-07-22 JP JP5181037A patent/JPH06182219A/ja not_active Withdrawn
- 1993-07-30 AU AU44289/93A patent/AU661600B2/en not_active Ceased
- 1993-08-03 MX MX9304701A patent/MX9304701A/es unknown
- 1993-08-05 KR KR1019930015224A patent/KR940003594A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0585572B1 (en) | 1997-09-10 |
CA2096197A1 (en) | 1994-02-06 |
DE69313764T2 (de) | 1998-04-09 |
ATE157902T1 (de) | 1997-09-15 |
DE69313764D1 (de) | 1997-10-16 |
KR940003594A (ko) | 1994-03-12 |
EP0585572A1 (en) | 1994-03-09 |
TW279811B (es) | 1996-07-01 |
US5260035A (en) | 1993-11-09 |
AU661600B2 (en) | 1995-07-27 |
BR9302927A (pt) | 1994-03-01 |
JPH06182219A (ja) | 1994-07-05 |
AU4428993A (en) | 1994-02-10 |
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