DE69313022D1 - Verflüssigungsverfahren - Google Patents
VerflüssigungsverfahrenInfo
- Publication number
- DE69313022D1 DE69313022D1 DE69313022T DE69313022T DE69313022D1 DE 69313022 D1 DE69313022 D1 DE 69313022D1 DE 69313022 T DE69313022 T DE 69313022T DE 69313022 T DE69313022 T DE 69313022T DE 69313022 D1 DE69313022 D1 DE 69313022D1
- Authority
- DE
- Germany
- Prior art keywords
- liquefaction process
- liquefaction
- 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
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0045—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by vaporising a liquid return stream
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0012—Primary atmospheric gases, e.g. air
- F25J1/0015—Nitrogen
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0012—Primary atmospheric gases, e.g. air
- F25J1/0017—Oxygen
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0035—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work
- F25J1/0037—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work of a return stream
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0042—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by liquid expansion with extraction of work
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0201—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using only internal refrigeration means, i.e. without external refrigeration
- F25J1/0202—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using only internal refrigeration means, i.e. without external refrigeration in a quasi-closed internal refrigeration loop
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0234—Integration with a cryogenic air separation unit
-
- 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
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
- F25J1/0285—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings
- F25J1/0288—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
- F25J2270/06—Internal refrigeration with work-producing gas expansion loop with multiple gas expansion loops
-
- 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
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/34—Details about subcooling of liquids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Separation By Low-Temperature Treatments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/894,587 US5231835A (en) | 1992-06-05 | 1992-06-05 | Liquefier process |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69313022D1 true DE69313022D1 (de) | 1997-09-18 |
DE69313022T2 DE69313022T2 (de) | 1998-02-05 |
Family
ID=25403279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69313022T Expired - Fee Related DE69313022T2 (de) | 1992-06-05 | 1993-06-04 | Verflüssigungsverfahren |
Country Status (8)
Country | Link |
---|---|
US (1) | US5231835A (de) |
EP (1) | EP0573074B1 (de) |
JP (1) | JPH0650657A (de) |
KR (1) | KR0164870B1 (de) |
CN (1) | CN1076817C (de) |
CA (1) | CA2097751C (de) |
DE (1) | DE69313022T2 (de) |
ES (1) | ES2105009T3 (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2710370B1 (fr) * | 1993-09-21 | 1995-12-08 | Air Liquide | Procédé et ensemble de compression d'un gaz. |
US5655388A (en) * | 1995-07-27 | 1997-08-12 | Praxair Technology, Inc. | Cryogenic rectification system for producing high pressure gaseous oxygen and liquid product |
US5584194A (en) * | 1995-10-31 | 1996-12-17 | Gardner; Thomas W. | Method and apparatus for producing liquid nitrogen |
US5660241A (en) * | 1995-12-20 | 1997-08-26 | Dowell, A Division Of Schlumberger Technology Corporation | Pressure compensated weight on bit shock sub for a wellbore drilling tool |
US5836173A (en) * | 1997-05-01 | 1998-11-17 | Praxair Technology, Inc. | System for producing cryogenic liquid |
US5979440A (en) * | 1997-06-16 | 1999-11-09 | Sequal Technologies, Inc. | Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator |
US5799505A (en) * | 1997-07-28 | 1998-09-01 | Praxair Technology, Inc. | System for producing cryogenic liquefied industrial gas |
US6006545A (en) * | 1998-08-14 | 1999-12-28 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes | Liquefier process |
US6085547A (en) * | 1998-09-18 | 2000-07-11 | Johnston; Richard P. | Simple method and apparatus for the partial conversion of natural gas to liquid natural gas |
US6085545A (en) * | 1998-09-18 | 2000-07-11 | Johnston; Richard P. | Liquid natural gas system with an integrated engine, compressor and expander assembly |
US6269656B1 (en) | 1998-09-18 | 2001-08-07 | Richard P. Johnston | Method and apparatus for producing liquified natural gas |
US6085546A (en) * | 1998-09-18 | 2000-07-11 | Johnston; Richard P. | Method and apparatus for the partial conversion of natural gas to liquid natural gas |
US6298688B1 (en) | 1999-10-12 | 2001-10-09 | Air Products And Chemicals, Inc. | Process for nitrogen liquefaction |
US6220053B1 (en) | 2000-01-10 | 2001-04-24 | Praxair Technology, Inc. | Cryogenic industrial gas liquefaction system |
US6484533B1 (en) * | 2000-11-02 | 2002-11-26 | Air Products And Chemicals, Inc. | Method and apparatus for the production of a liquid cryogen |
US6978638B2 (en) * | 2003-05-22 | 2005-12-27 | Air Products And Chemicals, Inc. | Nitrogen rejection from condensed natural gas |
US6779361B1 (en) | 2003-09-25 | 2004-08-24 | Praxair Technology, Inc. | Cryogenic air separation system with enhanced liquid capacity |
US7134296B2 (en) * | 2004-10-13 | 2006-11-14 | Praxair Technology, Inc. | Method for providing cooling for gas liquefaction |
CA2601445C (en) | 2005-03-16 | 2012-10-02 | Fuelcor Llc | Systems, methods, and compositions for production of synthetic hydrocarbon compounds |
US8376035B2 (en) * | 2006-06-22 | 2013-02-19 | Praxair Technology, Inc. | Plate-fin heat exchanger |
US20090320520A1 (en) * | 2008-06-30 | 2009-12-31 | David Ross Parsnick | Nitrogen liquefier retrofit for an air separation plant |
KR101932035B1 (ko) * | 2012-02-08 | 2018-12-26 | 삼성전자주식회사 | 기판 처리용 유체 공급 시스템 및 방법 |
US9631863B2 (en) * | 2013-03-12 | 2017-04-25 | Mcalister Technologies, Llc | Liquefaction systems and associated processes and methods |
US20150168058A1 (en) * | 2013-12-17 | 2015-06-18 | L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude | Apparatus for producing liquid nitrogen |
BR112017003616A2 (pt) * | 2014-08-22 | 2017-12-05 | Peregrine Turbine Tech Llc | método para gerar energia em um sistema, sistema configurado para gerar energia e motor |
FR3044747B1 (fr) * | 2015-12-07 | 2019-12-20 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede de liquefaction de gaz naturel et d'azote |
US10281203B2 (en) | 2016-08-05 | 2019-05-07 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method for liquefaction of industrial gas by integration of methanol plant and air separation unit |
US10634425B2 (en) | 2016-08-05 | 2020-04-28 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Integration of industrial gas site with liquid hydrogen production |
US10288346B2 (en) | 2016-08-05 | 2019-05-14 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method for liquefaction of industrial gas by integration of methanol plant and air separation unit |
US20180038639A1 (en) * | 2016-08-05 | 2018-02-08 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Robust recovery of natural gas letdown energy for small scale liquefied natural gas production |
US10393431B2 (en) | 2016-08-05 | 2019-08-27 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method for the integration of liquefied natural gas and syngas production |
US10655913B2 (en) | 2016-09-12 | 2020-05-19 | Stanislav Sinatov | Method for energy storage with co-production of peaking power and liquefied natural gas |
WO2021126513A1 (en) | 2019-12-19 | 2021-06-24 | Praxair Technology, Inc. | System and method for supplying cryogenic refrigeration |
US11740014B2 (en) * | 2020-02-27 | 2023-08-29 | Praxair Technology, Inc. | System and method for natural gas and nitrogen liquefaction with independent nitrogen recycle loops |
CN111672236A (zh) * | 2020-05-19 | 2020-09-18 | 茂名华粤华源气体有限公司 | 一种液体二氧化碳分离提纯的制备方法 |
CN113503691B (zh) * | 2021-07-12 | 2022-11-22 | 北京中科富海低温科技有限公司 | 一种两级压缩循环氮气液化装置及其液化方法 |
CN114087845B (zh) * | 2021-11-19 | 2022-07-15 | 北京大臻科技有限公司 | 一种基于仲氢循环的液氢生产装置、系统及方法 |
WO2023244883A1 (en) | 2022-06-16 | 2023-12-21 | Praxair Technology, Inc. | Liquid nitrogen energy storage system and method |
FR3141998A1 (fr) | 2022-11-10 | 2024-05-17 | Engie | Dispositif et procédé de sous-refroidissement d’un gaz liquefié |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2206620B2 (de) * | 1972-02-11 | 1981-04-02 | Linde Ag, 6200 Wiesbaden | Anlage zum Verflüssigen von Naturgas |
DE2457262A1 (de) * | 1974-12-04 | 1976-06-10 | Linde Ag | Verfahren zur rueckverfluessigung von verdampften kohlenwasserstoffen |
GB8418840D0 (en) * | 1984-07-24 | 1984-08-30 | Boc Group Plc | Gas refrigeration |
US4778497A (en) * | 1987-06-02 | 1988-10-18 | Union Carbide Corporation | Process to produce liquid cryogen |
US4894076A (en) * | 1989-01-17 | 1990-01-16 | Air Products And Chemicals, Inc. | Recycle liquefier process |
-
1992
- 1992-06-05 US US07/894,587 patent/US5231835A/en not_active Expired - Fee Related
-
1993
- 1993-06-04 CN CN93106875A patent/CN1076817C/zh not_active Expired - Fee Related
- 1993-06-04 DE DE69313022T patent/DE69313022T2/de not_active Expired - Fee Related
- 1993-06-04 JP JP5158195A patent/JPH0650657A/ja not_active Withdrawn
- 1993-06-04 ES ES93109068T patent/ES2105009T3/es not_active Expired - Lifetime
- 1993-06-04 CA CA002097751A patent/CA2097751C/en not_active Expired - Fee Related
- 1993-06-04 EP EP93109068A patent/EP0573074B1/de not_active Expired - Lifetime
- 1993-06-04 KR KR1019930010037A patent/KR0164870B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5231835A (en) | 1993-08-03 |
EP0573074A2 (de) | 1993-12-08 |
JPH0650657A (ja) | 1994-02-25 |
ES2105009T3 (es) | 1997-10-16 |
KR0164870B1 (ko) | 1999-01-15 |
EP0573074A3 (de) | 1994-12-07 |
DE69313022T2 (de) | 1998-02-05 |
EP0573074B1 (de) | 1997-08-13 |
CA2097751A1 (en) | 1993-12-06 |
CA2097751C (en) | 1996-06-18 |
CN1082183A (zh) | 1994-02-16 |
CN1076817C (zh) | 2001-12-26 |
KR940000841A (ko) | 1994-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |