Global Patent Index - EP 0923780 B1

EP 0923780 B1 2002-11-06 - RARE EARTH ELEMENT (SE)-Fe-B PERMANENT MAGNET AND METHOD FOR THE MANUFACTURE THEREOF

Title (en)

RARE EARTH ELEMENT (SE)-Fe-B PERMANENT MAGNET AND METHOD FOR THE MANUFACTURE THEREOF

Title (de)

SE-Fe-B-DAUERMAGNET UND VERFAHREN ZU SEINER HERSTELLUNG

Title (fr)

AIMANT PERMANENT CONSTITUE D'UN ELEMENT DES TERRES RARES, DE Fe ET DE B, ET SON PROCEDE DE PRODUCTION

Publication

EP 0923780 B1 (DE)

Application

EP 97939964 A

Priority

  • DE 9701784 W
  • DE 19636284 A

Abstract (en)

[origin: DE19636284A1] Disclosed is a new boron-free, iron-free binding alloy with the composition SE5(Co,GA)3 for the manufacture of SE2Fe14B permanent magnets.

IPC 1-7 (main, further and additional classification)

H01F 1/057

IPC 8 full level (invention and additional information)

H01F 1/053 (2006.01); B22F 1/00 (2006.01); B22F 3/00 (2006.01); C22C 33/02 (2006.01); C22C 38/00 (2006.01); H01F 1/057 (2006.01)

CPC (invention and additional information)

H01F 1/0577 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19636284 A1 19980312; DE 19636284 C2 19980716; EP 0923780 A1 19990623; EP 0923780 B1 20021106; JP 2000503809 A 20000328; JP 3145415 B2 20010312; KR 20000068482 A 20001125; US 6254659 B1 20010703; WO 9810436 A1 19980312

INPADOC legal status


2017-08-19 [REG DE R071] EXPIRY OF RIGHT

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2003-10-29 [26N] NO OPPOSITION FILED

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2003-06-06 [ET] FR: TRANSLATION FILED

2002-12-12 [REF] CORRESPONDS TO:

- Document: DE 59708681 20021212

2002-11-27 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20021106

2002-11-06 [AK] DESIGNATED CONTRACTING STATES:

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2002-11-06 [REG GB FG4D] EUROPEAN PATENT GRANTED

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1999-12-15 [17Q] FIRST EXAMINATION REPORT

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1999-06-23 [17P] REQUEST FOR EXAMINATION FILED

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