BRPI0813687A8 - processo para produção de uma chapa de aço galvanizada e recozida pela regra dff - Google Patents

processo para produção de uma chapa de aço galvanizada e recozida pela regra dff

Info

Publication number
BRPI0813687A8
BRPI0813687A8 BRPI0813687A BRPI0813687A BRPI0813687A8 BR PI0813687 A8 BRPI0813687 A8 BR PI0813687A8 BR PI0813687 A BRPI0813687 A BR PI0813687A BR PI0813687 A BRPI0813687 A BR PI0813687A BR PI0813687 A8 BRPI0813687 A8 BR PI0813687A8
Authority
BR
Brazil
Prior art keywords
dff
rule
producing
steel sheet
galvanized steel
Prior art date
Application number
BRPI0813687A
Other languages
English (en)
Inventor
Florence Bertrand
Jean-Michel Mataigne
Original Assignee
Arcelormittal France
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38608886&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0813687(A8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arcelormittal France, Nippon Steel Corp filed Critical Arcelormittal France
Publication of BRPI0813687A2 publication Critical patent/BRPI0813687A2/pt
Publication of BRPI0813687A8 publication Critical patent/BRPI0813687A8/pt
Publication of BRPI0813687B1 publication Critical patent/BRPI0813687B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34Methods of heating
    • C21D1/52Methods of heating with flames
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/56Continuous furnaces for strip or wire
    • C21D9/561Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/11Making amorphous alloys
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0222Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224Two or more thermal pretreatments
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06Zinc or cadmium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • C23C2/261After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • C23C2/28Thermal after-treatment, e.g. treatment in oil bath
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36Elongated material
    • C23C2/40Plates; Strips

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
BRPI0813687A 2007-06-29 2008-06-06 processo para produção de uma chapa de aço galvanizada e recozida BRPI0813687B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07290816A EP2009129A1 (en) 2007-06-29 2007-06-29 Process for manufacturing a galvannealed steel sheet by DFF regulation
PCT/IB2008/001462 WO2009004425A1 (en) 2007-06-29 2008-06-06 Process for manufacturing a galvannealed steel sheet by dff regulation

Publications (3)

Publication Number Publication Date
BRPI0813687A2 BRPI0813687A2 (pt) 2014-12-30
BRPI0813687A8 true BRPI0813687A8 (pt) 2015-12-15
BRPI0813687B1 BRPI0813687B1 (pt) 2018-10-30

Family

ID=38608886

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0813687A BRPI0813687B1 (pt) 2007-06-29 2008-06-06 processo para produção de uma chapa de aço galvanizada e recozida

Country Status (13)

Country Link
US (1) US20100193081A1 (pt)
EP (2) EP2009129A1 (pt)
JP (2) JP5713673B2 (pt)
KR (1) KR101273308B1 (pt)
CN (1) CN101809182B (pt)
AR (1) AR067339A1 (pt)
AT (1) ATE521726T1 (pt)
BR (1) BRPI0813687B1 (pt)
CA (1) CA2701091C (pt)
ES (1) ES2371985T3 (pt)
PL (1) PL2171116T3 (pt)
RU (1) RU2451107C2 (pt)
WO (1) WO2009004425A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9068255B2 (en) 2009-12-29 2015-06-30 Posco Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
KR20120075260A (ko) * 2010-12-28 2012-07-06 주식회사 포스코 도금밀착성이 우수한 용융도금강판 및 그 제조방법
BR112014007530B1 (pt) * 2011-09-30 2018-12-11 Nippon Steel & Sumitomo Metal Corporation chapa de aço galvanizada por imersão a quente de alta resistência e processo para produção da mesma
KR20130076589A (ko) * 2011-12-28 2013-07-08 주식회사 포스코 도금표면 품질 및 도금밀착성이 우수한 고강도 용융아연도금강판 및 그 제조방법
EP2840161B1 (en) * 2012-04-17 2018-09-12 JFE Steel Corporation Method for producing alloyed hot-dip galvanized steel sheet having excellent adhesion to plating and excellent sliding properties
WO2014037627A1 (fr) 2012-09-06 2014-03-13 Arcelormittal Investigación Y Desarrollo Sl Procede de fabrication de pieces d'acier revêtues et durcies a la presse, et tôles prerevêtues permettant la fabrication de ces pieces
CN103805840B (zh) * 2012-11-15 2016-12-21 宝山钢铁股份有限公司 一种高成形性热镀锌超高强度钢板及其制造方法
JP5920249B2 (ja) * 2013-03-05 2016-05-18 Jfeスチール株式会社 めっき密着性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
WO2014135753A1 (fr) 2013-03-06 2014-09-12 Arcelormittal Investigacion Y Desarrollo, S.L. Procédé de réalisation d'une tôle à revêtement znal avec un essorage optimisé, tôle, pièce et véhicule correspondants
TWI613325B (zh) * 2013-05-17 2018-02-01 Ak鋼鐵資產公司 供壓模淬火(press hardening)應用之鍍鋅鋼及製造方法
WO2015001367A1 (en) * 2013-07-04 2015-01-08 Arcelormittal Investigación Y Desarrollo Sl Cold rolled steel sheet, method of manufacturing and vehicle
JP5799996B2 (ja) * 2013-09-12 2015-10-28 Jfeスチール株式会社 外観性とめっき密着性に優れる溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板ならびにそれらの製造方法
RU2647419C2 (ru) 2013-12-10 2018-03-15 Арселормиттал Способ отжига листовой стали
WO2017006144A1 (en) 2015-07-09 2017-01-12 Arcelormittal Steel for press hardening and press hardened part manufactured from such steel
WO2018138791A1 (ja) * 2017-01-25 2018-08-02 新日鐵住金株式会社 鋼板
WO2018234839A1 (en) 2017-06-20 2018-12-27 Arcelormittal ZINC COATED STEEL SHEET HAVING HIGH STRENGTH POINTS WELDABILITY
WO2019092467A1 (en) * 2017-11-08 2019-05-16 Arcelormittal A galvannealed steel sheet
CN108165892A (zh) * 2017-11-23 2018-06-15 南阳汉冶特钢有限公司 一种低温压力容器用35-50mm厚Q420R高强钢及其生产方法
CN113969336B (zh) * 2020-07-23 2023-03-28 宝山钢铁股份有限公司 一种热镀锌钢板的制造方法、钢板及车用构件

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925579A (en) * 1974-05-24 1975-12-09 Armco Steel Corp Method of coating low alloy steels
US3936543A (en) * 1974-08-22 1976-02-03 Armco Steel Corporation Method of coating carbon steel
JP2619550B2 (ja) * 1990-03-20 1997-06-11 川崎製鉄株式会社 合金化溶融亜鉛めっき鋼板の製造方法
JP2970445B2 (ja) * 1994-12-14 1999-11-02 住友金属工業株式会社 Si添加高張力鋼材の溶融亜鉛めっき方法
RU2128719C1 (ru) * 1997-03-05 1999-04-10 Научно-производственный институт АО "Новолипецкий металлургический комбинат" Способ производства горячеоцинкованного металла высших категорий вытяжки с тончайшим цинковым покрытием с превосходной штампуемостью
BE1014997A3 (fr) * 2001-03-28 2004-08-03 Ct Rech Metallurgiques Asbl Procede de recuit en continu de bandes en acier en vue de leur galvanisation au trempe et four pour sa mise en oeuvre.
FR2828888B1 (fr) * 2001-08-21 2003-12-12 Stein Heurtey Procede de galvanisation a chaud de bandes metalliques d'aciers a haute resistance
JP4729850B2 (ja) * 2003-02-10 2011-07-20 Jfeスチール株式会社 めっき密着性に優れた合金化溶融亜鉛めっき鋼板およびその製造方法
JP4464720B2 (ja) * 2003-04-10 2010-05-19 新日本製鐵株式会社 高強度溶融亜鉛めっき鋼板およびその製造方法
KR20050118306A (ko) * 2003-04-10 2005-12-16 신닛뽄세이테쯔 카부시키카이샤 고강도 용융 아연 도금 강판 및 그 제조 방법
JP4119804B2 (ja) * 2003-08-19 2008-07-16 新日本製鐵株式会社 密着性の優れた高強度合金化溶融亜鉛めっき鋼板及びその製造方法
JP5040093B2 (ja) * 2004-10-07 2012-10-03 Jfeスチール株式会社 溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板
DE102004059566B3 (de) * 2004-12-09 2006-08-03 Thyssenkrupp Steel Ag Verfahren zum Schmelztauchbeschichten eines Bandes aus höherfestem Stahl
WO2006068169A1 (ja) * 2004-12-21 2006-06-29 Kabushiki Kaisha Kobe Seiko Sho 溶融亜鉛めっき方法及び溶融亜鉛めっき設備
JP4741376B2 (ja) * 2005-01-31 2011-08-03 新日本製鐵株式会社 外観が良好な高強度合金化溶融亜鉛めっき鋼板及びその製造方法と製造設備
BRPI0607715B1 (pt) * 2005-03-30 2014-12-16 Nippon Steel & Sumitomo Metal Corp "equipamento para produção de tira de aço laminada a quente revestida por imersão a quente".
JP4644077B2 (ja) * 2005-09-05 2011-03-02 新日本製鐵株式会社 耐食性と成形性に優れた溶融亜鉛めっき高強度鋼板および合金化溶融亜鉛めっき高強度鋼板、およびそれらの製造方法
WO2007064172A1 (en) * 2005-12-01 2007-06-07 Posco Steel sheet for hot press forming having excellent heat treatment and impact property, hot press parts made of it and the method for manufacturing thereof
US8025982B2 (en) * 2005-12-06 2011-09-27 Kobe Steel, Ltd. High-strength hot dip galvannealed steel sheet having high powdering resistance and method for producing the same

Also Published As

Publication number Publication date
AR067339A1 (es) 2009-10-07
CA2701091C (en) 2012-04-17
JP2015078438A (ja) 2015-04-23
ES2371985T3 (es) 2012-01-12
CA2701091A1 (en) 2009-01-08
CN101809182A (zh) 2010-08-18
US20100193081A1 (en) 2010-08-05
ATE521726T1 (de) 2011-09-15
JP5713673B2 (ja) 2015-05-07
CN101809182B (zh) 2015-08-05
EP2009129A1 (en) 2008-12-31
JP2010532820A (ja) 2010-10-14
EP2171116B1 (en) 2011-08-24
WO2009004425A1 (en) 2009-01-08
BRPI0813687B1 (pt) 2018-10-30
PL2171116T3 (pl) 2012-01-31
BRPI0813687A2 (pt) 2014-12-30
KR20100055389A (ko) 2010-05-26
RU2010102924A (ru) 2011-08-10
KR101273308B1 (ko) 2013-06-11
RU2451107C2 (ru) 2012-05-20
EP2171116A1 (en) 2010-04-07

Similar Documents

Publication Publication Date Title
BRPI0813687A8 (pt) processo para produção de uma chapa de aço galvanizada e recozida pela regra dff
BRPI0813465A2 (pt) Processo para produção de uma chapa galvanizada ou de uma chapa galvanizada e recozida pela regra dff
BRPI0817307A2 (pt) Processo para a fabricação de uma chapa de metal.
ZA200908074B (en) Method for the production of astrip made of steel
BRPI0922830A2 (pt) chapa de aço galvanizada e método para produção da mesma
BRPI0922829A2 (pt) chapa de aço galvanizada e método de produção da mesma
BRPI0920029A2 (pt) processo para produção de ferro diretamente reduzido
BRPI0913622A2 (pt) Processo para a produção fermentativa de eritropoietina
BR112013009517A2 (pt) chapa de aço e método para produção de chapa de aço
BRPI0922826A2 (pt) chapa de aço elétrico e método para sua produção
BRPI0910696A2 (pt) processo e aparelho para uma instalação combinada de lingotamento e laminação
EP2186925A4 (en) GALVANIZED STEEL
BRPI1006129A2 (pt) composição de revestimento, processo para produzir uma composição de revestimento, e, laminado.
BRPI1010572A2 (pt) processo para produção de uma metálica revestida de aparência melhorada.
BRPI0908609A2 (pt) "método para a fabricação de produtos como salsichas por meio de coextrusão"
EP2418303A4 (en) ZINC-COATED STEEL PLATE
BRPI0908580A2 (pt) processo para ajuste do coeficiente de atrito de uma peça metálica
EP2350332A4 (en) HIGH STRENGTH STEEL SHEET AND PROCESS FOR PRODUCING THE SAME
BRPI0813960A2 (pt) Processo para produção de biarilas
BRPI0916512A2 (pt) processo para produzir uma composição agroquímica de partícula dispersível em água
EP2505351A4 (en) GALVANIZED STEEL PLATE
BRPI1011500A2 (pt) chapa de aço galvanizada
BRPI0820386A2 (pt) Processo e dispositivo para produção de uma tira de metal
BRPI0820986A2 (pt) Processo para a produção de chapas e peças de aço esmaltadas
BRPI0920382A2 (pt) matéria-prima para produto de folha de metal e método de fabricação

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: ARCELORMITTAL FRANCE (FR) , NIPPON STEEL AND SUMIT

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06I Publication of requirement cancelled [chapter 6.9 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 6.6.1 NA RPI NO 2471 DE 15/05/2018 POR TER SIDO INDEVIDA.

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/10/2018, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved

Owner name: ARCELORMITTAL FRANCE (FR) ; NIPPON STEEL CORPORATI