ATE229085T1 - Verfahren zur herstellung von eisen und stahl - Google Patents
Verfahren zur herstellung von eisen und stahlInfo
- Publication number
- ATE229085T1 ATE229085T1 AT98940628T AT98940628T ATE229085T1 AT E229085 T1 ATE229085 T1 AT E229085T1 AT 98940628 T AT98940628 T AT 98940628T AT 98940628 T AT98940628 T AT 98940628T AT E229085 T1 ATE229085 T1 AT E229085T1
- Authority
- AT
- Austria
- Prior art keywords
- iron
- solid reduced
- reduced iron
- reducing agent
- preparing
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 14
- 229910052742 iron Inorganic materials 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 6
- 239000007787 solid Substances 0.000 abstract 4
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000003628 erosive effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000001465 metallisation Methods 0.000 abstract 1
- 239000011819 refractory material Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Control And Safety Of Cranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23621497 | 1997-09-01 | ||
PCT/JP1998/003869 WO1999011826A1 (en) | 1997-09-01 | 1998-08-28 | Method of making iron and steel |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE229085T1 true ATE229085T1 (de) | 2002-12-15 |
Family
ID=16997478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98940628T ATE229085T1 (de) | 1997-09-01 | 1998-08-28 | Verfahren zur herstellung von eisen und stahl |
Country Status (20)
Country | Link |
---|---|
US (2) | US6149709A (de) |
EP (1) | EP1021570B1 (de) |
KR (1) | KR100364934B1 (de) |
CN (1) | CN1074793C (de) |
AT (1) | ATE229085T1 (de) |
AU (1) | AU744754B2 (de) |
BG (1) | BG104204A (de) |
BR (1) | BR9814457A (de) |
CA (1) | CA2302244C (de) |
DE (1) | DE69809958T2 (de) |
ES (1) | ES2189224T3 (de) |
HU (1) | HUP0003515A3 (de) |
ID (1) | ID24598A (de) |
MY (1) | MY128570A (de) |
PL (1) | PL338926A1 (de) |
SK (1) | SK2952000A3 (de) |
TR (1) | TR200000574T2 (de) |
TW (1) | TW522169B (de) |
WO (1) | WO1999011826A1 (de) |
ZA (1) | ZA987414B (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6506231B2 (en) | 1996-03-15 | 2003-01-14 | Kabushiki Kaisha Kobe Seiko Sho | Method and apparatus for making metallic iron |
EA001158B1 (ru) * | 1996-03-15 | 2000-10-30 | Кабусики Кайся Кобе Сейко Сё | Способ и устройство для получения металлического железа |
US6149709A (en) * | 1997-09-01 | 2000-11-21 | Kabushiki Kaisha Kobe Seiko Sho | Method of making iron and steel |
CA2251339A1 (en) | 1997-10-30 | 1999-04-30 | Hidetoshi Tanaka | Method of producing iron oxide pellets |
US20040221426A1 (en) * | 1997-10-30 | 2004-11-11 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Method of producing iron oxide pellets |
JP3004265B1 (ja) | 1998-11-24 | 2000-01-31 | 株式会社神戸製鋼所 | 炭材内装ペレット及び還元鉄製造方法 |
JP3404309B2 (ja) | 1999-01-18 | 2003-05-06 | 株式会社神戸製鋼所 | 還元鉄塊成物の製造方法および製造装置 |
CN1306045C (zh) | 1999-08-30 | 2007-03-21 | 株式会社神户制钢所 | 粒状还原铁原料的供给方法及其装置 |
CN1258605C (zh) | 1999-10-15 | 2006-06-07 | 株式会社神户制钢所 | 还原金属制造设备以及还原金属的制造方法 |
PL201389B1 (pl) | 2000-03-30 | 2009-04-30 | Kobe Seiko Sho Kobe Steel Kk | Sposób wytwarzania granulowanego metalicznego żelaza |
JP3844941B2 (ja) | 2000-03-30 | 2006-11-15 | 株式会社神戸製鋼所 | 調温装置および高温排ガスの調温方法 |
JP2001279313A (ja) | 2000-03-30 | 2001-10-10 | Midrex Internatl Bv | 溶融金属鉄の製法 |
JP2001288504A (ja) | 2000-03-31 | 2001-10-19 | Midrex Internatl Bv | 溶融金属鉄の製造方法 |
TW562860B (en) | 2000-04-10 | 2003-11-21 | Kobe Steel Ltd | Method for producing reduced iron |
JP4287572B2 (ja) | 2000-04-26 | 2009-07-01 | 株式会社神戸製鋼所 | 回転式炉床炉 |
TW539829B (en) | 2000-05-19 | 2003-07-01 | Kobe Strrl Ltd | Processing method for high-temperature exhaust gas |
JP3866492B2 (ja) | 2000-06-29 | 2007-01-10 | 株式会社神戸製鋼所 | 回転炉床式還元炉の操業方法 |
JP4330257B2 (ja) * | 2000-08-09 | 2009-09-16 | 株式会社神戸製鋼所 | 金属鉄の製法 |
US6736952B2 (en) * | 2001-02-12 | 2004-05-18 | Speedfam-Ipec Corporation | Method and apparatus for electrochemical planarization of a workpiece |
US6409790B1 (en) * | 2001-03-16 | 2002-06-25 | Calderon Energy Company Of Bowling Green, Inc. | Method and apparatus for practicing carbonaceous-based metallurgy |
JP4691827B2 (ja) * | 2001-05-15 | 2011-06-01 | 株式会社神戸製鋼所 | 粒状金属鉄 |
DE60233021D1 (de) | 2001-05-30 | 2009-09-03 | Kobe Steel Ltd | Verfahren zur Herstellung von reduzierten Metallen |
JP2002363658A (ja) * | 2001-06-06 | 2002-12-18 | Kobe Steel Ltd | 移動型廃棄物熱処理方法 |
JP2003028575A (ja) * | 2001-07-17 | 2003-01-29 | Kobe Steel Ltd | 移動床型加熱炉および還元金属塊成物の製造方法 |
JP2003041310A (ja) | 2001-07-27 | 2003-02-13 | Kobe Steel Ltd | 溶融金属の製造方法 |
JP3961795B2 (ja) * | 2001-08-22 | 2007-08-22 | 株式会社神戸製鋼所 | 可燃性廃棄物の燃焼処理方法およびその装置 |
JP2003094028A (ja) * | 2001-09-26 | 2003-04-02 | Kobe Steel Ltd | 産業廃棄物情報の供給方法、産業廃棄物情報供給システム、産業廃棄物情報供給用サーバ、端末、プログラムを記録したコンピュータ読み取り可能な記録媒体及びプログラム |
US6689182B2 (en) * | 2001-10-01 | 2004-02-10 | Kobe Steel, Ltd. | Method and device for producing molten iron |
JP3944378B2 (ja) * | 2001-10-24 | 2007-07-11 | 株式会社神戸製鋼所 | 酸化金属塊成物の製造方法 |
JP4256645B2 (ja) * | 2001-11-12 | 2009-04-22 | 株式会社神戸製鋼所 | 金属鉄の製法 |
MY133537A (en) * | 2002-01-24 | 2007-11-30 | Kobe Steel Ltd | Method for making molten iron |
TW585924B (en) * | 2002-04-03 | 2004-05-01 | Kobe Steel Ltd | Method for making reduced iron |
JP2004000882A (ja) * | 2002-04-17 | 2004-01-08 | Kobe Steel Ltd | 重金属及び/又は有機化合物の処理方法 |
TW200403344A (en) * | 2002-06-18 | 2004-03-01 | Kobe Steel Ltd | Method of producing stainless steel by re-using waste material of stainless steel producing process |
JP3679084B2 (ja) | 2002-10-09 | 2005-08-03 | 株式会社神戸製鋼所 | 溶融金属製造用原料の製造方法および溶融金属の製造方法 |
DE60322561D1 (de) * | 2002-10-18 | 2008-09-11 | Kobe Steel Ltd | Ferronickel und verfahren zur herstellung von rohmaterial für die ferronickelverhüttung |
JP4490640B2 (ja) * | 2003-02-26 | 2010-06-30 | 株式会社神戸製鋼所 | 還元金属の製造方法 |
JP4167101B2 (ja) * | 2003-03-20 | 2008-10-15 | 株式会社神戸製鋼所 | 粒状金属鉄の製法 |
US7553383B2 (en) * | 2003-04-25 | 2009-06-30 | General Electric Company | Method for fabricating a martensitic steel without any melting |
CN101389773B (zh) * | 2004-10-11 | 2011-04-13 | 技术资源有限公司 | 电弧炉炼钢 |
JP2008523247A (ja) * | 2004-12-07 | 2008-07-03 | ニュー−アイロン テクノロジー リミテッド ライアビリティー カンパニー | 金属鉄ナゲットを生成するための方法およびシステム |
US20120285295A1 (en) * | 2004-12-07 | 2012-11-15 | Nu-Iron Technology, Llc | Method for producing metallic iron nuggets |
JP4981320B2 (ja) * | 2006-01-17 | 2012-07-18 | 株式会社神戸製鋼所 | 金属鉄の製法 |
EP2270239B1 (de) * | 2008-04-23 | 2014-10-22 | Kabushiki Kaisha Kobe Seiko Sho | Herstellungsverfahren für flüssiges metall |
CA2773239A1 (en) * | 2009-10-08 | 2011-04-14 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Apparatus for manufacturing molten metal |
JP5330185B2 (ja) | 2009-10-08 | 2013-10-30 | 株式会社神戸製鋼所 | 溶融金属製造装置 |
DE102010008839B4 (de) * | 2010-02-22 | 2016-04-21 | Spectro Analytical Instruments Gmbh | Verfahren zur Bestimmung von Kohlenstoff in Gusseisen |
CN102012920B (zh) * | 2010-11-29 | 2012-07-04 | 天津出入境检验检疫局化矿金属材料检测中心 | 一种建立进口铁矿产地鉴别数据库的方法 |
WO2014035276A1 (ru) * | 2012-08-28 | 2014-03-06 | Общество С Ограниченной Ответственностью Промышленная Компания "Технология Металлов" | Способ и устройство получения металла из содержащих оксиды железа материалов |
GB201706116D0 (en) | 2017-04-18 | 2017-05-31 | Legacy Hill Resources Ltd | Iron ore pellets |
CN107236835A (zh) * | 2017-06-30 | 2017-10-10 | 河南龙成煤高效技术应用有限公司 | 一种钢屑饼入高炉炼铁的方法 |
KR102374981B1 (ko) * | 2017-10-23 | 2022-03-16 | 닛폰세이테츠 가부시키가이샤 | 전기로 및 산화철 함유 철원료의 용해 및 환원 방법 |
TWI698532B (zh) * | 2018-04-17 | 2020-07-11 | 日商日本製鐵股份有限公司 | 鋼液的製造方法 |
JP7094259B2 (ja) * | 2019-11-21 | 2022-07-01 | 株式会社神戸製鋼所 | 溶鋼の製造方法 |
EP3992309A1 (de) * | 2020-10-30 | 2022-05-04 | Primetals Technologies Austria GmbH | Herstellung von eisenschmelze |
EP4411000A1 (de) | 2021-09-30 | 2024-08-07 | Nippon Steel Corporation | Verfahren zur herstellung von geschmolzenem eisen |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1087306A (en) * | 1965-05-27 | 1967-10-18 | Techmet Ltd | Reduction of iron oxide ores |
DE1458759C3 (de) * | 1965-12-08 | 1973-12-20 | Gebr. Giulini Gmbh, 6700 Ludwigshafen | Kontinuierliches Verfahren zur Her stellung von Stahl |
US4021232A (en) * | 1974-08-09 | 1977-05-03 | Hitachi Metals, Ltd. | Cast iron melting process |
US4179278A (en) * | 1977-02-16 | 1979-12-18 | Midrex Corporation | Method for reducing particulate iron oxide to molten iron with solid reductant |
JPS58151416A (ja) * | 1982-03-03 | 1983-09-08 | Sumitomo Metal Ind Ltd | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
US4564388A (en) * | 1984-08-02 | 1986-01-14 | Intersteel Technology, Inc. | Method for continuous steelmaking |
US4661150A (en) * | 1985-04-10 | 1987-04-28 | New Zealand Steel Limited | Production of liquid iron |
US4701214A (en) * | 1986-04-30 | 1987-10-20 | Midrex International B.V. Rotterdam | Method of producing iron using rotary hearth and apparatus |
US5471495A (en) * | 1991-11-18 | 1995-11-28 | Voest-Alpine Industrieanlagenbeau Gmbh | Electric arc furnace arrangement for producing steel |
US5417740A (en) * | 1992-05-26 | 1995-05-23 | Zaptech Corporation | Method for producing steel |
DE69415566T2 (de) * | 1993-02-23 | 1999-07-15 | Boc Gases Australia Ltd., Chatswood, Neu Sued Wales | Verfahren zur Herstellung von synthetischem Rutil |
US5601631A (en) * | 1995-08-25 | 1997-02-11 | Maumee Research & Engineering Inc. | Process for treating metal oxide fines |
EA001158B1 (ru) | 1996-03-15 | 2000-10-30 | Кабусики Кайся Кобе Сейко Сё | Способ и устройство для получения металлического железа |
US5681367A (en) * | 1996-06-20 | 1997-10-28 | Usx Engineers & Consultants, Inc. | Method of producing hot metal |
US5858057A (en) * | 1996-09-25 | 1999-01-12 | Hylsa S.A. De C.V. | Method for producing direct reduced iron with a controlled amount of carbon |
US6149709A (en) * | 1997-09-01 | 2000-11-21 | Kabushiki Kaisha Kobe Seiko Sho | Method of making iron and steel |
-
1998
- 1998-02-20 US US09/026,683 patent/US6149709A/en not_active Expired - Lifetime
- 1998-08-18 ZA ZA987414A patent/ZA987414B/xx unknown
- 1998-08-19 TW TW087113623A patent/TW522169B/zh not_active IP Right Cessation
- 1998-08-20 MY MYPI98003800A patent/MY128570A/en unknown
- 1998-08-28 ID IDW20000357D patent/ID24598A/id unknown
- 1998-08-28 AT AT98940628T patent/ATE229085T1/de not_active IP Right Cessation
- 1998-08-28 KR KR1020007002187A patent/KR100364934B1/ko not_active IP Right Cessation
- 1998-08-28 BR BR9814457-0A patent/BR9814457A/pt not_active IP Right Cessation
- 1998-08-28 CN CN98808603A patent/CN1074793C/zh not_active Expired - Fee Related
- 1998-08-28 PL PL98338926A patent/PL338926A1/xx unknown
- 1998-08-28 ES ES98940628T patent/ES2189224T3/es not_active Expired - Lifetime
- 1998-08-28 EP EP98940628A patent/EP1021570B1/de not_active Expired - Lifetime
- 1998-08-28 WO PCT/JP1998/003869 patent/WO1999011826A1/en not_active Application Discontinuation
- 1998-08-28 DE DE69809958T patent/DE69809958T2/de not_active Expired - Lifetime
- 1998-08-28 SK SK295-2000A patent/SK2952000A3/sk unknown
- 1998-08-28 HU HU0003515A patent/HUP0003515A3/hu unknown
- 1998-08-28 AU AU88875/98A patent/AU744754B2/en not_active Ceased
- 1998-08-28 CA CA002302244A patent/CA2302244C/en not_active Expired - Fee Related
- 1998-08-28 TR TR2000/00574T patent/TR200000574T2/xx unknown
-
2000
- 2000-02-29 BG BG104204A patent/BG104204A/xx unknown
- 2000-06-27 US US09/604,234 patent/US6284018B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
TR200000574T2 (tr) | 2001-06-21 |
ID24598A (id) | 2000-07-27 |
SK2952000A3 (en) | 2000-09-12 |
BG104204A (en) | 2001-10-31 |
AU744754B2 (en) | 2002-03-07 |
CA2302244A1 (en) | 1999-03-11 |
DE69809958D1 (de) | 2003-01-16 |
EP1021570B1 (de) | 2002-12-04 |
ES2189224T3 (es) | 2003-07-01 |
CN1074793C (zh) | 2001-11-14 |
TW522169B (en) | 2003-03-01 |
KR100364934B1 (ko) | 2002-12-18 |
MY128570A (en) | 2007-02-28 |
US6284018B1 (en) | 2001-09-04 |
EP1021570A1 (de) | 2000-07-26 |
KR20010023539A (ko) | 2001-03-26 |
AU8887598A (en) | 1999-03-22 |
CN1268187A (zh) | 2000-09-27 |
PL338926A1 (en) | 2000-11-20 |
DE69809958T2 (de) | 2003-12-11 |
US6149709A (en) | 2000-11-21 |
WO1999011826A1 (en) | 1999-03-11 |
HUP0003515A2 (hu) | 2001-02-28 |
CA2302244C (en) | 2004-08-17 |
BR9814457A (pt) | 2002-01-22 |
ZA987414B (en) | 1999-02-19 |
HUP0003515A3 (en) | 2006-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69809958D1 (de) | Verfahren zur herstellung von eisen und stahl | |
HUP9902339A2 (hu) | Eljárás és berendezés fém vas előállítására | |
DE69914613D1 (de) | Direktes schmelzverfahren | |
AU5533500A (en) | Method for producing melt iron | |
CN1052510A (zh) | 一种新的特种冶炼方法——电渣感应精炼法 | |
JPH11189816A (ja) | 竪型鉄スクラップ溶解炉の操業方法 | |
Nakano et al. | New scrap preheating system for electric arc furnace(UL-BA) | |
RU2190034C2 (ru) | Способ выплавки сплавов из оксидосодержащих материалов | |
JP3765092B2 (ja) | 電気アーク炉溶銑の取鍋攪拌方法 | |
JPH10265825A (ja) | 溶融還元装置 | |
Dam et al. | The AREX-SBD Auto Reforming--Reduction Technology Application in the Smelting--Reduction Processes | |
Zadny et al. | The Long-Term Development of the Electric Furnace in Czechloslovak Steel Production--a Prognosis | |
Stenzel et al. | Electrode Regulation Requirements and Results in Ladle Heating Plants of VHD and LF-Type | |
Stickler | Variants of the Elred Process | |
Hess | Scrap Preheating Fuels Energy Savings | |
SU1759029A1 (ru) | Способ электрошлакового получения металлов из их оксидов | |
Yuasa | How to Achieve Low kWh Operation in the EAF, Including Scrap Preheating--Present State of Energy Saving Operations in EAF Steelmaking in Japan | |
CN1372013A (zh) | 在矿热炉制取高稀土铁合金的工艺及其产品 | |
CN1015001B (zh) | 一种铸铁合金化工艺 | |
Bogolyubov et al. | Intensification of the Electric Melting of Ferro-Nickel Alloy Based on Analyses of the Material and Heat Balances | |
TW333558B (en) | A method and an apparatus for producing metals and metal alloys | |
Nazyuta et al. | Reducing the Consumption of Pig Iron When Melting Steel in Open Hearth Furnaces | |
Maschlanka et al. | Utilization of Direct Reduced Iron in Different Iron and Steel Production Processes | |
Rachner et al. | Process and Installation for the Production of Steel From Scrap | |
Lingorski et al. | Improvement of Transformer Utilization on Electric Arc Steel Furnaces |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |
Ref document number: 1021570 Country of ref document: EP |
|
REN | Ceased due to non-payment of the annual fee |