BR112015002254A2 - método de produção de chapa de aço silício de grão orientado, chapa de aço elétrico de grão orientado e uso do mesmo - Google Patents

método de produção de chapa de aço silício de grão orientado, chapa de aço elétrico de grão orientado e uso do mesmo

Info

Publication number: BR112015002254A2
Authority: BR; Brazil
Prior art keywords: steel plate; oriented grain; production method; silicon steel; oriented
Prior art date: 2012-07-31

Application number

BR112015002254A

Other languages

English (en)

Other versions

BR112015002254B1 (pt

Inventor

Gabor Ban

Van De Putte Tom

Original Assignee

Arcelormittal Investigacion Y Desarrollo Sl

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.)

2012-07-31

Filing date

2013-07-30

Publication date

2017-07-04

2013-07-30 Application filed by Arcelormittal Investigacion Y Desarrollo Sl filed Critical Arcelormittal Investigacion Y Desarrollo Sl

2017-07-04 Publication of BR112015002254A2 publication Critical patent/BR112015002254A2/pt

2020-03-31 Publication of BR112015002254B1 publication Critical patent/BR112015002254B1/pt

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
- H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—Cold rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1272—Final recrystallisation annealing
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Crystallography & Structural Chemistry (AREA)
Thermal Sciences (AREA)
Electromagnetism (AREA)
Manufacturing & Machinery (AREA)
Power Engineering (AREA)
Dispersion Chemistry (AREA)
Manufacturing Of Steel Electrode Plates (AREA)
Soft Magnetic Materials (AREA)
Other Surface Treatments For Metallic Materials (AREA)

BR112015002254A 2012-07-31 2013-07-30 método de produção de chapa de aço de fe-si laminada a frio BR112015002254B1 (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
PCT/IB2012/001475 WO2014020369A1 (en)	2012-07-31	2012-07-31	Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof
PCT/IB2013/001657 WO2014020406A1 (en)	2012-07-31	2013-07-30	Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof

Publications (2)

Publication Number	Publication Date
BR112015002254A2 true BR112015002254A2 (pt)	2017-07-04
BR112015002254B1 BR112015002254B1 (pt)	2020-03-31

Family

ID=46934623

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR112015002254A BR112015002254B1 (pt)	2012-07-31	2013-07-30	método de produção de chapa de aço de fe-si laminada a frio

Country Status (20)

Country	Link
US (1)	US9831020B2 (pt)
EP (1)	EP2880190B1 (pt)
JP (3)	JP6294319B2 (pt)
KR (1)	KR101575633B1 (pt)
CN (1)	CN104884642B (pt)
BR (1)	BR112015002254B1 (pt)
CA (1)	CA2880724C (pt)
DK (1)	DK2880190T3 (pt)
EA (1)	EA028436B1 (pt)
ES (1)	ES2664326T3 (pt)
HR (1)	HRP20180388T1 (pt)
HU (1)	HUE038725T2 (pt)
IN (1)	IN2015DN00804A (pt)
LT (1)	LT2880190T (pt)
NO (1)	NO2880190T3 (pt)
PL (1)	PL2880190T3 (pt)
PT (1)	PT2880190T (pt)
RS (1)	RS57048B1 (pt)
SI (1)	SI2880190T1 (pt)
WO (2)	WO2014020369A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014020369A1 (en) *	2012-07-31	2014-02-06	Arcelormittal Investigación Y Desarrollo Sl	Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof
KR101505873B1 (ko)	2014-04-15	2015-03-25	(주)테라에너지시스템	분리형 전력용 전자기 유도 장치의 제조 방법
US11239012B2 (en)	2014-10-15	2022-02-01	Sms Group Gmbh	Process for producing grain-oriented electrical steel strip
JP6572864B2 (ja) *	2016-10-18	2019-09-11	Ｊｆｅスチール株式会社	電磁鋼板製造用の熱延鋼板およびその製造方法
EP3536814B1 (en) *	2016-11-01	2020-12-23	JFE Steel Corporation	Method for producing grain-oriented electrical steel sheet
KR101903008B1 (ko) *	2016-12-20	2018-10-01	주식회사 포스코	무방향성 전기강판 및 그 제조방법
KR101919521B1 (ko)	2016-12-22	2018-11-16	주식회사 포스코	방향성 전기강판 및 이의 제조방법
JP6738047B2 (ja) *	2017-05-31	2020-08-12	Ｊｆｅスチール株式会社	無方向性電磁鋼板とその製造方法
KR102427606B1 (ko)	2017-12-28	2022-07-29	제이에프이 스틸 가부시키가이샤	방향성 전자 강판
KR102164329B1 (ko) *	2018-12-19	2020-10-12	주식회사 포스코	방향성의 전기강판 및 그 제조 방법
WO2020149333A1 (ja) *	2019-01-16	2020-07-23	日本製鉄株式会社	一方向性電磁鋼板の製造方法
RU2701599C1 (ru) *	2019-04-29	2019-09-30	Общество с ограниченной ответственностью "ВИЗ-Сталь"	Способ производства высокопроницаемой анизотропной электротехнической стали
CN110348172B (zh) *	2019-07-31	2020-08-04	武汉理工大学	一种高碳铬轴承钢尺寸稳定性预测方法
CN112430778A (zh) *	2019-08-26	2021-03-02	宝山钢铁股份有限公司	一种薄规格无取向电工钢板及其制造方法
KR102325004B1 (ko) *	2019-12-20	2021-11-10	주식회사 포스코	방향성 전기강판 및 그의 제조방법
TWI817398B (zh) *	2022-03-18	2023-10-01	中國鋼鐵股份有限公司	電磁鋼片與其製作方法
CN118256818A (zh) *	2024-05-31	2024-06-28	内蒙古科技大学	一种含铌低温取向硅钢及其制备方法

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DE4311151C1 (de) *	1993-04-05	1994-07-28	Thyssen Stahl Ag	Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
EP0709470B1 (en) *	1993-11-09	2001-10-04	Pohang Iron & Steel Co., Ltd.	Production method of directional electromagnetic steel sheet of low temperature slab heating system
WO1998046802A1 (en) *	1997-04-16	1998-10-22	Acciai Speciali Terni S.P.A.	New process for the production of grain oriented electrical steel from thin slabs
DE102007005015A1 (de)	2006-06-26	2008-01-03	Sms Demag Ag	Verfahren und Anlage zur Herstellung von Warmband-Walzgut aus Siliziumstahl auf der Basis von Dünnbrammen
JP5001611B2 (ja)	2006-09-13	2012-08-15	新日本製鐵株式会社	高磁束密度方向性珪素鋼板の製造方法
ITRM20070218A1 (it) *	2007-04-18	2008-10-19	Ct Sviluppo Materiali Spa	Procedimento per la produzione di lamierino magnetico a grano orientato
CN101545072B (zh) *	2008-03-25	2012-07-04	宝山钢铁股份有限公司	一种高电磁性能取向硅钢的生产方法
CN101768697B (zh) *	2008-12-31	2012-09-19	宝山钢铁股份有限公司	用一次冷轧法生产取向硅钢的方法
JP4840518B2 (ja) *	2010-02-24	2011-12-21	Ｊｆｅスチール株式会社	方向性電磁鋼板の製造方法
JP5741308B2 (ja) *	2010-12-15	2015-07-01	Ｊｆｅスチール株式会社	方向性電磁鋼板の製造方法およびその素材鋼板
CN102605267B (zh) *	2012-03-02	2013-10-09	咸宁泉都带钢科技有限责任公司	一种低温加热工艺优化的高磁感取向电工钢板及生产方法
WO2014020369A1 (en) *	2012-07-31	2014-02-06	Arcelormittal Investigación Y Desarrollo Sl	Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof

2012
- 2012-07-31 WO PCT/IB2012/001475 patent/WO2014020369A1/en active Application Filing
2013
- 2013-07-30 US US14/418,847 patent/US9831020B2/en active Active
- 2013-07-30 WO PCT/IB2013/001657 patent/WO2014020406A1/en active Application Filing
- 2013-07-30 HU HUE13773324A patent/HUE038725T2/hu unknown
- 2013-07-30 PL PL13773324T patent/PL2880190T3/pl unknown
- 2013-07-30 LT LTEP13773324.2T patent/LT2880190T/lt unknown
- 2013-07-30 ES ES13773324.2T patent/ES2664326T3/es active Active
- 2013-07-30 SI SI201330978T patent/SI2880190T1/en unknown
- 2013-07-30 BR BR112015002254A patent/BR112015002254B1/pt active IP Right Grant
- 2013-07-30 CN CN201380049233.4A patent/CN104884642B/zh active Active
- 2013-07-30 RS RS20180364A patent/RS57048B1/sr unknown
- 2013-07-30 EA EA201500183A patent/EA028436B1/ru unknown
- 2013-07-30 CA CA2880724A patent/CA2880724C/en active Active
- 2013-07-30 KR KR1020157005210A patent/KR101575633B1/ko active IP Right Grant
- 2013-07-30 JP JP2015524858A patent/JP6294319B2/ja active Active
- 2013-07-30 DK DK13773324.2T patent/DK2880190T3/en active
- 2013-07-30 PT PT137733242T patent/PT2880190T/pt unknown
- 2013-07-30 EP EP13773324.2A patent/EP2880190B1/en active Active
- 2013-07-30 NO NO13773324A patent/NO2880190T3/no unknown
- 2013-07-30 IN IN804DEN2015 patent/IN2015DN00804A/en unknown
2018
- 2018-01-04 JP JP2018000245A patent/JP7059012B2/ja active Active
- 2018-03-06 HR HRP20180388TT patent/HRP20180388T1/hr unknown
2020
- 2020-03-05 JP JP2020037514A patent/JP7171636B2/ja active Active

Also Published As

Publication number	Publication date
JP7059012B2 (ja)	2022-04-25
PT2880190T (pt)	2018-04-05
KR101575633B1 (ko)	2015-12-08
EA201500183A1 (ru)	2015-06-30
JP2015526597A (ja)	2015-09-10
DK2880190T3 (en)	2018-03-19
NO2880190T3 (pt)	2018-06-02
EP2880190B1 (en)	2018-01-03
EP2880190A1 (en)	2015-06-10
EA028436B1 (ru)	2017-11-30
RS57048B1 (sr)	2018-05-31
US9831020B2 (en)	2017-11-28
JP2020117808A (ja)	2020-08-06
JP2018109234A (ja)	2018-07-12
SI2880190T1 (en)	2018-04-30
CN104884642B (zh)	2016-12-07
PL2880190T3 (pl)	2018-06-29
KR20150033740A (ko)	2015-04-01
JP7171636B2 (ja)	2022-11-15
CA2880724A1 (en)	2014-02-06
IN2015DN00804A (pt)	2015-07-03
CN104884642A (zh)	2015-09-02
WO2014020369A1 (en)	2014-02-06
ES2664326T3 (es)	2018-04-19
BR112015002254B1 (pt)	2020-03-31
WO2014020406A1 (en)	2014-02-06
HUE038725T2 (hu)	2018-11-28
US20150155085A1 (en)	2015-06-04
JP6294319B2 (ja)	2018-03-14
LT2880190T (lt)	2018-03-26
HRP20180388T1 (hr)	2018-05-04
CA2880724C (en)	2018-01-02

Legal Events

Date	Code	Title	Description
2018-12-04	B06F	Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
2019-05-21	B06A	Patent application procedure suspended [chapter 6.1 patent gazette]
2020-02-04	B09A	Decision: intention to grant [chapter 9.1 patent gazette]
2020-03-31	B16A	Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]	Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/07/2013, OBSERVADAS AS CONDICOES LEGAIS.

Publication	Publication Date	Title
BR112015002254A2 (pt)	2017-07-04	método de produção de chapa de aço silício de grão orientado, chapa de aço elétrico de grão orientado e uso do mesmo
EP2821511A4 (en)	2015-09-30	NON-CORRECTIVE SILICON STEEL AND METHOD OF MANUFACTURING THEREOF
BR112013011660A2 (pt)	2016-08-02	aglomerados de nitreto de boro, método de produção e uso dos mesmos
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