EP2641981A4 - Appareil de production de fer fondu et procédé de production de fer fondu l'utilisant - Google Patents
Appareil de production de fer fondu et procédé de production de fer fondu l'utilisant Download PDFInfo
- Publication number
- EP2641981A4 EP2641981A4 EP11842354.0A EP11842354A EP2641981A4 EP 2641981 A4 EP2641981 A4 EP 2641981A4 EP 11842354 A EP11842354 A EP 11842354A EP 2641981 A4 EP2641981 A4 EP 2641981A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- molten iron
- manufacturing molten
- same
- manufacturing
- iron
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 4
- 229910052742 iron Inorganic materials 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 2
- 238000000034 method Methods 0.000 title 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
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- 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
- C21B13/143—Injection of partially reduced ore into a molten bath
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100115554A KR101187851B1 (ko) | 2010-11-19 | 2010-11-19 | 용철제조장치 및 이를 이용한 용철제조방법 |
PCT/KR2011/008842 WO2012067462A2 (fr) | 2010-11-19 | 2011-11-18 | Appareil de production de fer fondu et procédé de production de fer fondu l'utilisant |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2641981A2 EP2641981A2 (fr) | 2013-09-25 |
EP2641981A4 true EP2641981A4 (fr) | 2017-08-30 |
EP2641981B1 EP2641981B1 (fr) | 2019-06-05 |
Family
ID=46084546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11842354.0A Active EP2641981B1 (fr) | 2010-11-19 | 2011-11-18 | Procédé de production de fer fondu |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2641981B1 (fr) |
KR (1) | KR101187851B1 (fr) |
CN (2) | CN103221555B (fr) |
WO (1) | WO2012067462A2 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101451405B1 (ko) * | 2012-11-30 | 2014-10-15 | 주식회사 포스코 | 괴성광의 경화장치 및 이를 구비한 용철 제조장치 |
KR101417652B1 (ko) * | 2013-06-24 | 2014-07-08 | 주식회사 포스코 | 유동로의 가스정체층 형성 방지장치 및 방법 |
KR101550893B1 (ko) * | 2013-12-10 | 2015-09-18 | 주식회사 포스코 | 용철제조방법 및 용철제조장치 |
DE102014111906A1 (de) | 2014-08-20 | 2016-02-25 | Maschinenfabrik Köppern Gmbh & Co. Kg | Anlage zum Heißbrikettieren |
WO2016072613A1 (fr) * | 2014-11-06 | 2016-05-12 | 주식회사 포스코 | Appareil de fabrication de fer en fusion composite |
KR101660696B1 (ko) * | 2015-09-08 | 2016-09-28 | 주식회사 포스코 | 타르 분해 장치, 용철 제조 장치 및 용철 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060162499A1 (en) * | 2002-12-21 | 2006-07-27 | Posco | Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
CN1842605A (zh) * | 2004-10-19 | 2006-10-04 | Posco公司 | 用于制造包含直接还原铁粉的还原材料的压制铁的设备以及使用该设备制造铁水的设备 |
WO2008018774A1 (fr) * | 2006-08-11 | 2008-02-14 | Posco | Appareil pour fabriquer des fontes de fer et procédé de fabrication de fontes de fer utilisant ledit appareil |
WO2011045212A1 (fr) * | 2009-10-16 | 2011-04-21 | Siemens Vai Metals Technologies Gmbh | Procédé et dispositif pour le chargement dans une unité de fusion |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86101529A (zh) * | 1983-09-14 | 1988-02-17 | 新西兰钢铁公司 | 铁水的生产 |
JP2002241819A (ja) | 2001-02-09 | 2002-08-28 | Nkk Corp | 微粒鉱石吹込装置 |
CN1325666C (zh) * | 2002-12-21 | 2007-07-11 | Posco公司 | 制造铁水的设备及其使用方法 |
KR101197694B1 (ko) * | 2005-09-12 | 2012-11-05 | 주식회사 포스코 | 분환원철 함유 괴성체 제조 장치 및 이를 구비한용철제조장치 |
KR100797824B1 (ko) * | 2006-12-18 | 2008-01-24 | 주식회사 포스코 | 분상 또는 괴상의 일반탄 및 분상의 철함유 광석을 직접사용하는 용철제조장치 |
CN101260448B (zh) * | 2008-04-24 | 2010-09-29 | 钢铁研究总院 | 一种直接使用精矿粉的熔融还原炼铁方法 |
-
2010
- 2010-11-19 KR KR20100115554A patent/KR101187851B1/ko active IP Right Grant
-
2011
- 2011-11-18 CN CN201180055721.7A patent/CN103221555B/zh active Active
- 2011-11-18 EP EP11842354.0A patent/EP2641981B1/fr active Active
- 2011-11-18 WO PCT/KR2011/008842 patent/WO2012067462A2/fr active Application Filing
- 2011-11-18 CN CN201510038469.9A patent/CN104694687A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060162499A1 (en) * | 2002-12-21 | 2006-07-27 | Posco | Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
CN1842605A (zh) * | 2004-10-19 | 2006-10-04 | Posco公司 | 用于制造包含直接还原铁粉的还原材料的压制铁的设备以及使用该设备制造铁水的设备 |
WO2008018774A1 (fr) * | 2006-08-11 | 2008-02-14 | Posco | Appareil pour fabriquer des fontes de fer et procédé de fabrication de fontes de fer utilisant ledit appareil |
WO2011045212A1 (fr) * | 2009-10-16 | 2011-04-21 | Siemens Vai Metals Technologies Gmbh | Procédé et dispositif pour le chargement dans une unité de fusion |
Also Published As
Publication number | Publication date |
---|---|
WO2012067462A3 (fr) | 2012-08-23 |
CN104694687A (zh) | 2015-06-10 |
KR20120054262A (ko) | 2012-05-30 |
EP2641981A2 (fr) | 2013-09-25 |
WO2012067462A2 (fr) | 2012-05-24 |
EP2641981B1 (fr) | 2019-06-05 |
CN103221555A (zh) | 2013-07-24 |
KR101187851B1 (ko) | 2012-10-04 |
CN103221555B (zh) | 2015-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2550424A4 (fr) | Appareil et procédé pour opérations de puits | |
EP2605898A4 (fr) | Appareil et procédé de réalisation d'un objet | |
EP2567573A4 (fr) | Procédé et appareil permettant de réaliser un transfert | |
EP2619647A4 (fr) | Appareil et procédé pour une entrée basée sur la proximité | |
EP2635880A4 (fr) | Procédé et appareil de spectrométrie | |
EP2546793A4 (fr) | Procédé et appareil pour la fourniture d'une liste d'applications | |
EP2623387A4 (fr) | Appareil d'aide à la conduite et procédé d'aide à la conduite | |
EP2542706A4 (fr) | Appareil et procédés de fabrication d'une éponge de fer | |
PL2547611T3 (pl) | Urządzenie i sposób wytwarzania puszek | |
GB2481971B (en) | Apparatus & method | |
EP2612220A4 (fr) | Procédé et appareil d'interfaçage | |
ZA201207115B (en) | Apparatus and method for manufacturing products | |
EP2561430A4 (fr) | Procédé et appareil d'interfaçage | |
EP2583388A4 (fr) | Procédé et appareil de réduction d'interférence | |
GB201012037D0 (en) | Apparatus & method | |
EP2657223A4 (fr) | Composé complexe métal-salen et son procédé de production | |
EP2520674A4 (fr) | Appareil de fabrication de fonte de fer | |
EP2580023A4 (fr) | Procédé et appareil pour former un fil | |
PT2621623T (pt) | Aparelho e método para a produção de grânulos sólidos | |
EP2565762A4 (fr) | Procédé et appareil permettant de répondre à des opérations | |
EP2561696A4 (fr) | Procédé et appareil de communication de machine | |
EP2641981A4 (fr) | Appareil de production de fer fondu et procédé de production de fer fondu l'utilisant | |
GB201012231D0 (en) | Apparatus & Method | |
ZA201202100B (en) | Apparatus for manufacturing reduced iron and method for manufacturing the same | |
EP2628815A4 (fr) | Procédé de production d'une matière métallique et matière métallique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130515 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20170802 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21B 13/06 20060101AFI20170726BHEP Ipc: C21B 13/14 20060101ALI20170726BHEP Ipc: C21B 13/00 20060101ALI20170726BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20180710 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20190109 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1140022 Country of ref document: AT Kind code of ref document: T Effective date: 20190615 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602011059523 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20190605 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190905 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190906 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190905 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191007 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20191005 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602011059523 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
26N | No opposition filed |
Effective date: 20200306 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191130 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191130 Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191118 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20191130 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20191118 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191130 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191118 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191118 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20191130 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: UEP Ref document number: 1140022 Country of ref document: AT Kind code of ref document: T Effective date: 20190605 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20111118 Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20190605 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 602011059523 Country of ref document: DE Owner name: POSCO CO., LTD, POHANG-SI, KR Free format text: FORMER OWNER: POSCO, POHANG-SI, GYEONGSANGBUK-DO, KR Ref country code: DE Ref legal event code: R081 Ref document number: 602011059523 Country of ref document: DE Owner name: POSCO CO., LTD, POHANG- SI, KR Free format text: FORMER OWNER: POSCO, POHANG-SI, GYEONGSANGBUK-DO, KR Ref country code: DE Ref legal event code: R081 Ref document number: 602011059523 Country of ref document: DE Owner name: POSCO HOLDINGS INC., KR Free format text: FORMER OWNER: POSCO, POHANG-SI, GYEONGSANGBUK-DO, KR |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: PC Ref document number: 1140022 Country of ref document: AT Kind code of ref document: T Owner name: POSCO CO., LTD, KR Effective date: 20230228 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 602011059523 Country of ref document: DE Owner name: POSCO CO., LTD, POHANG-SI, KR Free format text: FORMER OWNER: POSCO HOLDINGS INC., SEOUL, KR Ref country code: DE Ref legal event code: R081 Ref document number: 602011059523 Country of ref document: DE Owner name: POSCO CO., LTD, POHANG- SI, KR Free format text: FORMER OWNER: POSCO HOLDINGS INC., SEOUL, KR |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20230920 Year of fee payment: 13 Ref country code: AT Payment date: 20230920 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20240923 Year of fee payment: 14 |