Global Patent Index - EP 3225701 A4

EP 3225701 A4 2017-10-25 - ANNEALING SEPARATOR COMPOSITION FOR ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING ORIENTED ELECTRICAL STEEL SHEET USING SAME

Title (en)

ANNEALING SEPARATOR COMPOSITION FOR ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING ORIENTED ELECTRICAL STEEL SHEET USING SAME

Title (de)

GLÜHSEPARATORZUSAMMENSETZUNG FÜR ELEKTROSTAHLBLECH UND VERFAHREN ZUR HERSTELLUNG EINES ORIENTIERTEN ELEKTROSTAHLBLECHS DAMIT

Title (fr)

COMPOSITION DE SÉPARATEUR DE RECUIT POUR TÔLES D'ACIER ÉLECTRIQUE À GRAINS ORIENTÉS, ET PROCÉDÉ DE FABRICATION DE TÔLE D'ACIER ÉLECTRIQUE ORIENTÉE L'UTILISANT

Publication

EP 3225701 A4 (EN)

Application

EP 15863386 A

Priority

  • KR 20140166906 A
  • KR 20150159096 A
  • KR 2015012735 W

Abstract (en)

[origin: EP3225701A1] Disclosed are an annealing separating agent composition for a directional electrical steel sheet and a method for manufacturing a directional electrical steel sheet using the same. Specifically, there are provided an annealing separating agent composition for a directional electrical steel sheet including magnesium oxide or magnesium hydroxide, metal iodide, and a solvent, and a method for manufacturing a directional electrical steel sheet using the annealing separating agent composition as an annealing separating agent in a high-temperature annealing process.

IPC 8 full level (invention and additional information)

C21D 1/68 (2006.01); C21D 1/70 (2006.01); C21D 1/72 (2006.01); C21D 8/12 (2006.01); C21D 9/46 (2006.01)

CPC (invention and additional information)

C21D 1/68 (2013.01); C21D 1/70 (2013.01); C21D 1/72 (2013.01); C21D 8/12 (2013.01); C21D 8/1283 (2013.01); C21D 9/46 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

EPO simple patent family

EP 3225701 A1 20171004; EP 3225701 A4 20171025; CN 107002158 A 20170801; JP 2018504517 A 20180215; KR 101696627 B1 20170116; KR 20160063244 A 20160603

INPADOC legal status


2018-03-07 [DAV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (IN ANY COUNTRY) (DELETED)

2018-03-07 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2017-10-25 [A4] DESPATCH OF SUPPLEMENTARY SEARCH REPORT

- Effective date: 20170927

2017-10-25 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C21D 9/46 20060101ALI20170921BHEP

2017-10-25 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C21D 8/12 20060101ALI20170921BHEP

2017-10-25 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C21D 1/72 20060101ALI20170921BHEP

2017-10-25 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C21D 1/68 20060101AFI20170921BHEP

2017-10-25 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C21D 1/70 20060101ALI20170921BHEP

2017-10-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170623

2017-10-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- 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

2017-10-04 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA MD

2017-10-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME