ES2188622T3 - Procedimiento y dispositivo para la recuperacion de argon puro. - Google Patents
Procedimiento y dispositivo para la recuperacion de argon puro.Info
- Publication number
- ES2188622T3 ES2188622T3 ES95101844T ES95101844T ES2188622T3 ES 2188622 T3 ES2188622 T3 ES 2188622T3 ES 95101844 T ES95101844 T ES 95101844T ES 95101844 T ES95101844 T ES 95101844T ES 2188622 T3 ES2188622 T3 ES 2188622T3
- Authority
- ES
- Spain
- Prior art keywords
- argon
- column
- raw
- fractionation
- puro
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B23/00—Noble gases; Compounds thereof
- C01B23/001—Purification or separation processes of noble gases
- C01B23/0036—Physical processing only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
- F25J3/04915—Combinations of different material exchange elements, e.g. within different columns
- F25J3/04921—Combinations of different material exchange elements, e.g. within different columns within the same column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
- F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04654—Producing crude argon in a crude argon column
- F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
- F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
- F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04721—Producing pure argon, e.g. recovered from a crude argon column
- F25J3/04727—Producing pure argon, e.g. recovered from a crude argon column using an auxiliary pure argon column for nitrogen rejection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04872—Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
- F25J3/04884—Arrangement of reboiler-condensers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0028—Separation of the specific gas from gas mixtures containing a minor amount of this specific gas
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0029—Obtaining noble gases
- C01B2210/0034—Argon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/58—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being argon or crude argon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/02—Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
-
- 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
- Y10S62/00—Refrigeration
- Y10S62/902—Apparatus
- Y10S62/905—Column
- Y10S62/906—Packing
-
- 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
- Y10S62/00—Refrigeration
- Y10S62/923—Inert gas
- Y10S62/924—Argon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
EL PROCEDIMIENTO Y EL DISPOSITIVO SIRVEN PARA LA OBTENCION DE ARGON PURO. EL AIRE SE DESCOMPONE EN UN SISTEMA RECTIFICADOR CON AL MENOS UNA COLUMNA (9) DE DESCOMPOSICION DE AIRE, CON UNA COLUMNA (17) DE ARGON EN BRUTO Y UNA COLUMNA (25) DE ARGON PURIFICADO. A PARTIR DE LA COLUMNA (17) DE ARGON EN BRUTO SE EXTRAE UNA FRACCION (24) DE ARGON Y SE INTRODUCE EN UN LUGAR INTERMEDIO EN LA COLUMNA (25) DE ARGON PURIFICADO. EL CABEZAL DE LA COLUMNA (25) DE ARGON PURIFICADO SE REFRIGERA POR MEDIO DE UN INTERCAMBIADOR (29) DE CALOR INDIRECTO. A PARTIR DE LA COLUMNA (25) DE ARGON PURIFICADO SE EXTRAE UNA FRACCION (31) RESIDUAL QUE CONTIENE ESENCIALMENTE NITROGENO HACIA ARRIBA Y UNA FRACCION (26) DE ARGON PURIFICADO HACIA ABAJO. EL INTERCAMBIO DE SUSTANCIAS EN LA COLUMNA (25) DE ARGON PURIFICADO SE EFECTUA AL MENOS PARCIALMENTE POR MEDIO DE UN EMPAQUETADO (33,34).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4406051A DE4406051A1 (de) | 1994-02-24 | 1994-02-24 | Verfahren und Vorrichtung zur Gewinnung von reinem Argon |
DE4436160 | 1994-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2188622T3 true ES2188622T3 (es) | 2003-07-01 |
Family
ID=25934126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95101844T Expired - Lifetime ES2188622T3 (es) | 1994-02-24 | 1995-02-10 | Procedimiento y dispositivo para la recuperacion de argon puro. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5592833A (es) |
EP (1) | EP0669508B1 (es) |
JP (1) | JPH07243758A (es) |
KR (1) | KR950031897A (es) |
CN (2) | CN1104618C (es) |
AT (1) | ATE230097T1 (es) |
AU (1) | AU679315B2 (es) |
CA (1) | CA2142317A1 (es) |
DE (1) | DE59510510D1 (es) |
ES (1) | ES2188622T3 (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5970743A (en) * | 1998-06-10 | 1999-10-26 | Air Products And Chemicals, Inc. | Production of argon from a cryogenic air separation process |
DE10028871A1 (de) * | 2000-06-10 | 2001-12-20 | Messer Ags Gmbh | Verfahren und Vorrichtung zur Gewinnung von Argon |
DE10028867A1 (de) * | 2000-06-10 | 2001-12-20 | Messer Ags Gmbh | Verfahren und Vorrichtung zur Gewinnung von Argon |
DE10028866A1 (de) * | 2000-06-10 | 2001-12-20 | Messer Ags Gmbh | Verfahren und Vorrichtung zur Gewinnung von Argon |
KR100765150B1 (ko) * | 2001-11-13 | 2007-10-15 | 주식회사 포스코 | 알곤 유닛의 예비냉각 운전시간 단축방법 |
US7501009B2 (en) * | 2006-03-10 | 2009-03-10 | Air Products And Chemicals, Inc. | Combined cryogenic distillation and PSA for argon production |
EP2026024A1 (de) | 2007-07-30 | 2009-02-18 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft |
DE102007035619A1 (de) | 2007-07-30 | 2009-02-05 | Linde Ag | Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft |
US20100024478A1 (en) * | 2008-07-29 | 2010-02-04 | Horst Corduan | Process and device for recovering argon by low-temperature separation of air |
DE102009016043A1 (de) | 2009-04-02 | 2010-10-07 | Linde Ag | Verfahren zum Betreiben einer Reinargonsäule und Vorrichtung zur Reinargongewinnung |
CN102466390A (zh) * | 2010-11-11 | 2012-05-23 | 中国钢铁股份有限公司 | 空气分离厂氮气增产方法 |
RU2659698C2 (ru) | 2013-03-06 | 2018-07-03 | Линде Акциенгезелльшафт | Установка разделения воздуха, способ получения продукта, содержащего аргон, и способ изготовления установки разделения воздуха |
WO2014169989A1 (de) * | 2013-04-18 | 2014-10-23 | Linde Aktiengesellschaft | Nachrüstbare vorrichtung zur tieftemperaturzerlegung von luft, nachrüstanlage und verfahren zum nachrüsten einer tieftemperatur-luftzerlegungsanlage |
DE102013018664A1 (de) | 2013-10-25 | 2015-04-30 | Linde Aktiengesellschaft | Verfahren zur Tieftemperaturzerlegung von Luft und Tieftemperatur-Luftzerlegungsanlage |
KR20170070172A (ko) * | 2014-10-16 | 2017-06-21 | 린데 악티엔게젤샤프트 | 저온 분리에 의해 아르곤을 가변적으로 획득하기 위한 방법 및 디바이스 |
CN105758116A (zh) * | 2014-12-19 | 2016-07-13 | 常熟市永安工业气体制造有限公司 | 氩气制备方法 |
EP3040665A1 (de) | 2014-12-30 | 2016-07-06 | Linde Aktiengesellschaft | Destillationssäulen-system und anlage zur erzeugung von sauerstoff durch tieftemperaturzerlegung von luft |
US10012437B2 (en) * | 2015-07-31 | 2018-07-03 | Praxair Technology, Inc. | Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH617357A5 (es) * | 1977-05-12 | 1980-05-30 | Sulzer Ag | |
DE3428968A1 (de) * | 1984-08-06 | 1986-02-13 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur zerlegung von rohargon |
DE3738559A1 (de) * | 1987-11-13 | 1989-05-24 | Linde Ag | Verfahren zur luftzerlegung durch tieftemperaturrektifikation |
DE3806523A1 (de) * | 1988-03-01 | 1989-09-14 | Linde Ag | Verfahren zur reinigung von rohargon |
DE3840506A1 (de) * | 1988-12-01 | 1990-06-07 | Linde Ag | Verfahren und vorrichtung zur luftzerlegung |
DE3900053A1 (de) * | 1989-01-03 | 1990-07-12 | Bayer Ag | Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in zweikomponenten-polyurethanlacken |
US5049173A (en) * | 1990-03-06 | 1991-09-17 | Air Products And Chemicals, Inc. | Production of ultra-high purity oxygen from cryogenic air separation plants |
US5076823A (en) * | 1990-03-20 | 1991-12-31 | Air Products And Chemicals, Inc. | Process for cryogenic air separation |
JPH05133682A (ja) * | 1991-09-27 | 1993-05-28 | Nippon Sanso Kk | 空気液化分離方法及び装置 |
US5207066A (en) * | 1991-10-22 | 1993-05-04 | Bova Vitaly I | Method of air separation |
DE4209132A1 (de) * | 1992-03-20 | 1993-09-23 | Linde Ag | Luftzerlegungsanlage und verfahren zur tieftemperaturzerlegung von luft |
ZA931962B (en) * | 1992-03-20 | 1993-11-02 | Linde Ag | Process for the low temperature separation of air and air separation installation |
DE4317916A1 (de) * | 1993-05-28 | 1994-12-01 | Linde Ag | Verfahren und Vorrichtung zur Gewinnung von Argon |
-
1995
- 1995-02-09 CA CA002142317A patent/CA2142317A1/en not_active Abandoned
- 1995-02-10 DE DE59510510T patent/DE59510510D1/de not_active Expired - Lifetime
- 1995-02-10 AT AT95101844T patent/ATE230097T1/de not_active IP Right Cessation
- 1995-02-10 ES ES95101844T patent/ES2188622T3/es not_active Expired - Lifetime
- 1995-02-10 EP EP95101844A patent/EP0669508B1/de not_active Expired - Lifetime
- 1995-02-22 AU AU13430/95A patent/AU679315B2/en not_active Ceased
- 1995-02-23 CN CN95102285A patent/CN1104618C/zh not_active Expired - Fee Related
- 1995-02-23 US US08/393,388 patent/US5592833A/en not_active Expired - Fee Related
- 1995-02-24 KR KR1019950003614A patent/KR950031897A/ko not_active Application Discontinuation
- 1995-02-24 JP JP7060141A patent/JPH07243758A/ja active Pending
-
2003
- 2003-01-30 CN CNB031043461A patent/CN1249396C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07243758A (ja) | 1995-09-19 |
DE59510510D1 (de) | 2003-01-30 |
US5592833A (en) | 1997-01-14 |
CN1439856A (zh) | 2003-09-03 |
CN1249396C (zh) | 2006-04-05 |
CA2142317A1 (en) | 1995-08-25 |
AU1343095A (en) | 1995-08-31 |
CN1104618C (zh) | 2003-04-02 |
AU679315B2 (en) | 1997-06-26 |
ATE230097T1 (de) | 2003-01-15 |
KR950031897A (ko) | 1995-12-20 |
CN1112999A (zh) | 1995-12-06 |
EP0669508B1 (de) | 2002-12-18 |
EP0669508A1 (de) | 1995-08-30 |
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