(19)
(11) EP 1 072 044 A1

(12)

(43) Date of publication:
31.01.2001 Bulletin 2001/05

(21) Application number: 00913364.6

(22) Date of filing: 03.02.2000
(51) International Patent Classification (IPC)7H01F 1/057
(86) International application number:
PCT/US0002/946
(87) International publication number:
WO 0048/209 (17.08.2000 Gazette 2000/33)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 12.02.1999 US 248251

(71) Applicant: GENERAL ELECTRIC COMPANY
Schenectady, NY 12345 (US)

(72) Inventors:
  • BENZ, Mark, Gilbert
    Burnt Hills, NY 12027 (US)
  • SHEI, Juliana, Ching
    Niskayuna, NY 12309 (US)

(74) Representative: Pedder, James Cuthbert et al
GE London Patent Operation,Essex House,12/13 Essex Street
London WC2R 3AA
London WC2R 3AA (GB)

   


(54) PRASEODYMIUM-RICH IRON-BORON-RARE EARTH COMPOSITION, PERMANENT MAGNET PRODUCED THEREFROM, AND METHOD OF MAKING