DE69003899D1 - Teilweise Oxidation von Abwasserschlamm. - Google Patents
Teilweise Oxidation von Abwasserschlamm.Info
- Publication number
- DE69003899D1 DE69003899D1 DE90308372T DE69003899T DE69003899D1 DE 69003899 D1 DE69003899 D1 DE 69003899D1 DE 90308372 T DE90308372 T DE 90308372T DE 69003899 T DE69003899 T DE 69003899T DE 69003899 D1 DE69003899 D1 DE 69003899D1
- Authority
- DE
- Germany
- Prior art keywords
- partial oxidation
- sewage sludge
- sludge
- sewage
- oxidation
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/466—Entrained flow processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
- C10J2300/0923—Sludge, e.g. from water treatment plant
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/389,435 US4983296A (en) | 1989-08-03 | 1989-08-03 | Partial oxidation of sewage sludge |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69003899D1 true DE69003899D1 (de) | 1993-11-18 |
DE69003899T2 DE69003899T2 (de) | 1994-02-24 |
Family
ID=23538259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE90308372T Expired - Lifetime DE69003899T2 (de) | 1989-08-03 | 1990-07-30 | Teilweise Oxidation von Abwasserschlamm. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4983296A (de) |
EP (1) | EP0411881B1 (de) |
JP (1) | JP2515618B2 (de) |
DE (1) | DE69003899T2 (de) |
Families Citing this family (76)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087271A (en) * | 1990-11-19 | 1992-02-11 | Texaco Inc. | Partial oxidation process |
US5556445A (en) * | 1991-04-08 | 1996-09-17 | Mark K. Quinn | Steam treatment of municipal solid waste |
US5230211A (en) * | 1991-04-15 | 1993-07-27 | Texaco Inc. | Partial oxidation of sewage sludge |
US5211724A (en) * | 1991-04-15 | 1993-05-18 | Texaco, Inc. | Partial oxidation of sewage sludge |
US5356540A (en) * | 1991-05-20 | 1994-10-18 | Texaco Inc. | Pumpable aqueous slurries of sewage sludge |
US5234469A (en) * | 1991-06-28 | 1993-08-10 | Texaco Inc. | Process for disposing of sewage sludge |
US5234468A (en) * | 1991-06-28 | 1993-08-10 | Texaco Inc. | Process for utilizing a pumpable fuel from highly dewatered sewage sludge |
DE4123740A1 (de) * | 1991-07-17 | 1993-01-21 | Oschatz Gmbh | Verfahren und verwendung eines reaktors zur vergasung von abfaellen |
WO1993002969A1 (en) * | 1991-08-09 | 1993-02-18 | Board Of Regents, The University Of Texas System | High temperature wet oxidation using sintered separators |
US5266085A (en) * | 1991-09-19 | 1993-11-30 | Texaco Inc. | Process for disposing of sewage sludge |
US5211723A (en) * | 1991-09-19 | 1993-05-18 | Texaco Inc. | Process for reacting pumpable high solids sewage sludge slurry |
EP0545683B1 (de) * | 1991-12-02 | 1996-07-03 | Texaco Development Corporation | Entsorgung von Klärschlamm |
US5188740A (en) * | 1991-12-02 | 1993-02-23 | Texaco Inc. | Process for producing pumpable fuel slurry of sewage sludge and low grade solid carbonaceous fuel |
US5188739A (en) * | 1991-12-02 | 1993-02-23 | Texaco Inc. | Disposal of sewage sludge |
US5259977A (en) * | 1992-03-20 | 1993-11-09 | Bio Gro Systems, Inc. | Method and apparatus for the treatment of sewage sludge and the like |
US5273556A (en) * | 1992-03-30 | 1993-12-28 | Texaco Inc. | Process for disposing of sewage sludge |
US5188741A (en) * | 1992-04-01 | 1993-02-23 | Texaco Inc. | Treatment of sewage sludge |
US5582715A (en) * | 1992-04-16 | 1996-12-10 | Rpc Waste Management Services, Inc. | Supercritical oxidation apparatus for treating water with side injection ports |
US5770174A (en) * | 1992-04-16 | 1998-06-23 | Rpc Waste Management Services, Inc. | Method for controlling reaction temperature |
US5788721A (en) * | 1992-08-04 | 1998-08-04 | Scaltech, Inc. | Fuel composition |
US6248140B1 (en) * | 1992-08-04 | 2001-06-19 | Scaltech Inc. | Fuel composition recycled from waste streams |
US5264009A (en) * | 1992-09-01 | 1993-11-23 | Texaco Inc. | Processing of sewage sludge for use as a fuel |
US5292442A (en) * | 1992-10-01 | 1994-03-08 | Texaco Inc. | Process for disposing of sewage sludge |
US5217625A (en) * | 1992-10-02 | 1993-06-08 | Texaco Inc. | Process for disposing of sewage sludge |
US5358646A (en) * | 1993-01-11 | 1994-10-25 | Board Of Regents, The University Of Texas System | Method and apparatus for multiple-stage and recycle wet oxidation |
US5558686A (en) * | 1993-10-19 | 1996-09-24 | Alpha-Omega Energia, Inc. | Method for making a fuel product |
US5591415A (en) * | 1994-01-27 | 1997-01-07 | Rpc Waste Management Services, Inc. | Reactor for supercritical water oxidation of waste |
US5552039A (en) * | 1994-07-13 | 1996-09-03 | Rpc Waste Management Services, Inc. | Turbulent flow cold-wall reactor |
US5551472A (en) | 1994-08-01 | 1996-09-03 | Rpc Waste Management Services, Inc. | Pressure reduction system and method |
US5755974A (en) | 1994-08-01 | 1998-05-26 | Rpc Waste Management Services, Inc. | Method and apparatus for reacting oxidizable matter with a salt |
US5620606A (en) | 1994-08-01 | 1997-04-15 | Rpc Waste Management Services, Inc. | Method and apparatus for reacting oxidizable matter with particles |
US6398921B1 (en) | 1995-03-15 | 2002-06-04 | Microgas Corporation | Process and system for wastewater solids gasification and vitrification |
US5785868A (en) * | 1995-09-11 | 1998-07-28 | Board Of Regents, Univ. Of Texas System | Method for selective separation of products at hydrothermal conditions |
US6017460A (en) | 1996-06-07 | 2000-01-25 | Chematur Engineering Ab | Heating and reaction system and method using recycle reactor |
US6053954A (en) * | 1996-06-14 | 2000-04-25 | Energy & Environmental Research Center | Methods to enhance the characteristics of hydrothermally prepared slurry fuels |
US5888389A (en) * | 1997-04-24 | 1999-03-30 | Hydroprocessing, L.L.C. | Apparatus for oxidizing undigested wastewater sludges |
US6306248B1 (en) | 1997-11-20 | 2001-10-23 | The University Of Alabama In Huntsville | Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock |
US6121179A (en) * | 1998-01-08 | 2000-09-19 | Chematur Engineering Ab | Supercritical treatment of adsorbent materials |
US6171509B1 (en) | 1998-06-12 | 2001-01-09 | Chematur Engineering Ab | Method and apparatus for treating salt streams |
US20020102229A1 (en) * | 2001-01-29 | 2002-08-01 | Paul Wegner | Product for and method of controlling odor |
US8349288B2 (en) * | 2006-12-06 | 2013-01-08 | The Regents Of The University Of California | Process for enhancing the operability of hot gas cleanup for the production of synthesis gas from steam-hydrogasification producer gas |
US8603430B2 (en) * | 2002-02-05 | 2013-12-10 | The Regents Of The University Of California | Controlling the synthesis gas composition of a steam methane reformer |
US7619012B2 (en) * | 2006-07-18 | 2009-11-17 | The Regents Of The University Of California | Method and apparatus for steam hydro-gasification in a fluidized bed reactor |
US20080016770A1 (en) * | 2006-07-18 | 2008-01-24 | Norbeck Joseph M | Method for high energy density biomass-water slurry |
PL204168B1 (pl) * | 2002-02-05 | 2009-12-31 | Univ California | Sposób i urządzenie do wytwarzania gazu syntezowego do zastosowania jako paliwo gazowe lub jako surowiec do wytwarzania paliwa ciekłego w reaktorze Fischera-Tropscha |
US9822309B2 (en) * | 2002-02-05 | 2017-11-21 | The Regents Of The University Of California | High carbon concentration biomass and biosolids slurry preparation using a hydro-thermal pretreatment |
US8118894B2 (en) * | 2006-07-18 | 2012-02-21 | The Regents Of The University Of California | Commingled coal and biomass slurries |
US20080021119A1 (en) * | 2006-07-18 | 2008-01-24 | Norbeck Joseph M | Operation of a steam methane reformer by direct feeding of steam rich producer gas from steam hydro-gasification |
US8143319B2 (en) * | 2006-07-18 | 2012-03-27 | The Regents Of The University Of California | Method and apparatus for steam hydro-gasification with increased conversion times |
US20080031809A1 (en) * | 2006-07-18 | 2008-02-07 | Norbeck Joseph M | Controlling the synthesis gas composition of a steam methane reformer |
US6893566B2 (en) * | 2003-02-26 | 2005-05-17 | Alexander G. Fassbender | Sewage treatment system |
US7985577B2 (en) * | 2003-04-30 | 2011-07-26 | Recology, Inc. | Systems and processes for treatment of organic waste materials with a biomixer |
US8809038B1 (en) * | 2003-04-30 | 2014-08-19 | Recology Inc. | Process for treatment of organic waste materials |
CN1559939A (zh) * | 2004-03-10 | 2005-01-05 | 沈阳戴维国际机电设备有限公司 | 循环流化燃烧法处理污水处理厂污泥的方法 |
US7297278B2 (en) * | 2004-10-20 | 2007-11-20 | Baker Hughes Incorporated | Methods for removing metals from water |
US7909895B2 (en) * | 2004-11-10 | 2011-03-22 | Enertech Environmental, Inc. | Slurry dewatering and conversion of biosolids to a renewable fuel |
SE529006C2 (sv) * | 2004-11-15 | 2007-04-03 | Chematur Eng Ab | Förfarande och system för överkritisk vattenoxidation av en ström som innehåller oxiderbart material |
SE528840C2 (sv) * | 2004-11-15 | 2007-02-27 | Chematur Eng Ab | Reaktor och förfarande för överkritisk vattenoxidation |
US8043505B2 (en) | 2005-04-27 | 2011-10-25 | Enertech Environmental, Inc. | Treatment equipment of organic waste and treatment method |
CN100368286C (zh) * | 2005-05-26 | 2008-02-13 | 中南大学 | 一种石油焦回转煅烧的方法和装置 |
EP3195944B1 (de) * | 2005-05-27 | 2020-03-11 | Miyashiro, Tomonao | Vorrichtung zur behandlung von organischem abfallmaterial und verfahren zum trennen und rückgewinnen von flüssigem material |
US7754491B2 (en) * | 2005-12-09 | 2010-07-13 | The Regents Of The University Of Calif. | Sensor for measuring syngas ratios under high temperature and pressure conditions |
FR2900147B1 (fr) * | 2006-04-19 | 2008-06-27 | Otv Sa | Procede d'oxydation par voie humide d'effluents chauffes essentiellement par auto-combustibilite, et installation correspondante. |
DK2138244T3 (da) * | 2007-03-20 | 2013-09-08 | Jun Yang | Bioaffalds-bortskaffelsesfremgangsmåde og -apparat |
JP4959604B2 (ja) * | 2008-02-28 | 2012-06-27 | 中国電力株式会社 | スラリーの製造方法、スラリーの製造システム |
US20110091953A1 (en) * | 2009-04-07 | 2011-04-21 | Enertech Environmental, Inc. | Method for converting organic material into a renewable fuel |
US8597525B1 (en) | 2010-05-06 | 2013-12-03 | William E. Coleman | System including a forced air gas-fired fluidized bed combustion chamber for purifying and recirculating potable water as well as for generating electricity |
US20130233809A1 (en) * | 2012-03-06 | 2013-09-12 | Todd Dameron Graham | Water treatment system and method |
FR3003558B1 (fr) * | 2013-03-25 | 2015-04-24 | Veolia Water Solutions & Tech | Procede et dispositif d’hydrolyse thermique en continu |
FR3010403B1 (fr) * | 2013-09-06 | 2017-01-13 | Veolia Water Solutions & Tech | Procede et dispositif d'hydrolyse thermique en continu avec recirculation de vapeur de recuperation |
DE102013015726A1 (de) * | 2013-09-20 | 2015-03-26 | Ecoloop Gmbh | Verfahren zur Rückgewinnung von Phosphor |
FR3015971B1 (fr) * | 2013-12-26 | 2016-01-01 | Veolia Water Solutions & Tech | Procede d'hydrolyse thermique en continu de boues a forte siccite. |
CN103936243B (zh) * | 2014-04-03 | 2015-10-28 | 西安交通大学 | 一种用于污泥热水解处理的辐流式水热反应器 |
FR3027895B1 (fr) * | 2014-10-31 | 2018-11-09 | Veolia Water Solutions & Technologies Support | Procede et installation pour l'hydrolyse thermique des boues. |
CN104946325B (zh) * | 2015-06-15 | 2016-08-17 | 中国寰球工程公司辽宁分公司 | 一种污泥废水焦浆及其制备方法 |
CN105482860B (zh) * | 2016-01-21 | 2018-05-22 | 中国寰球工程公司辽宁分公司 | 一种煤化工甲醇精馏废水的处理方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3544291A (en) * | 1968-04-22 | 1970-12-01 | Texaco Inc | Coal gasification process |
US3507788A (en) * | 1968-11-29 | 1970-04-21 | Texaco Inc | Treatment of sewage |
US3687646A (en) * | 1970-12-21 | 1972-08-29 | Texaco Development Corp | Sewage disposal process |
GB1371296A (en) * | 1972-05-20 | 1974-10-23 | Texaco Development Corp | Sewage and garbage disposal process |
USRE29312E (en) * | 1972-10-19 | 1977-07-19 | Occidental Petroleum Corporation | Gasification of carbonaceous solids |
US3961913A (en) * | 1974-03-29 | 1976-06-08 | Combustion Equipment Associates, Inc. | Process for treating organic wastes and product thereof |
US4052176A (en) * | 1975-09-29 | 1977-10-04 | Texaco Inc. | Production of purified synthesis gas H2 -rich gas, and by-product CO2 -rich gas |
US4203838A (en) * | 1976-03-13 | 1980-05-20 | Kubota Tekko Kabushiki Kaisha | Process for the treatment of sludge |
US4074981A (en) * | 1976-12-10 | 1978-02-21 | Texaco Inc. | Partial oxidation process |
US4135888A (en) * | 1977-09-20 | 1979-01-23 | Nuclear Supreme | Enriched fuel making and sewage treating process |
US4166802A (en) * | 1978-04-20 | 1979-09-04 | Texaco Inc. | Gasification of low quality solid fuels |
US4251227A (en) * | 1978-08-02 | 1981-02-17 | Othmer Donald F | Method for producing SNG or SYN-gas from wet solid waste and low grade fuels |
US4321151A (en) * | 1979-12-07 | 1982-03-23 | Mcmullen Frederick G | Process for wastewater treatment and wastewater sludge conversion into energy |
US4543190A (en) * | 1980-05-08 | 1985-09-24 | Modar, Inc. | Processing methods for the oxidation of organics in supercritical water |
US4409102A (en) * | 1981-11-27 | 1983-10-11 | Central Plants, Inc. | Process for removing contaminants from a stream of methane gas |
US4490251A (en) * | 1983-01-24 | 1984-12-25 | Texaco Development Corporation | Apparatus for recovery of water from dispersions of soot and water |
US4597773A (en) * | 1983-01-24 | 1986-07-01 | Texaco Development Corporation | Process for partial oxidation of hydrocarbonaceous fuel and recovery of water from dispersions of soot and water |
US4525175A (en) * | 1983-05-31 | 1985-06-25 | Texaco Inc. | High turn down burner for partial oxidation of slurries of solid fuel |
CA1225062A (en) * | 1983-09-13 | 1987-08-04 | Trevor R. Bridle | Processes and apparatus for the conversion of sludges |
UST104901I4 (en) * | 1983-12-19 | 1984-12-04 | Destruction of organic hazardous waste by partial oxidation/gasification | |
US4592291A (en) * | 1985-03-11 | 1986-06-03 | Red Fox Industries, Inc. | Sewage treatment method and apparatus |
US4801438A (en) * | 1987-03-02 | 1989-01-31 | Texaco Inc. | Partial oxidation of sulfur-containing solid carbonaceous fuel |
CA1278919C (en) * | 1986-05-02 | 1991-01-15 | Mel Systems, Inc. | Reduction burning and compositions therefore |
US4762527A (en) * | 1986-12-16 | 1988-08-09 | Electric Fuels Corporation | Slurry fuel comprised of a heat treated, partially dewatered sludge with a particulate solid fuel and its method of manufacture |
US4933086A (en) * | 1989-08-03 | 1990-06-12 | Texaco Inc. | Partial oxidation of sewage sludge |
-
1989
- 1989-08-03 US US07/389,435 patent/US4983296A/en not_active Expired - Lifetime
-
1990
- 1990-07-30 DE DE90308372T patent/DE69003899T2/de not_active Expired - Lifetime
- 1990-07-30 EP EP19900308372 patent/EP0411881B1/de not_active Expired - Lifetime
- 1990-08-03 JP JP20531790A patent/JP2515618B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0411881B1 (de) | 1993-10-13 |
DE69003899T2 (de) | 1994-02-24 |
EP0411881A1 (de) | 1991-02-06 |
JP2515618B2 (ja) | 1996-07-10 |
JPH0370793A (ja) | 1991-03-26 |
US4983296A (en) | 1991-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |