(19)
(11) EP 1 454 326 A2

(12)

(88) Date of publication A3:
31.12.2003

(43) Date of publication:
08.09.2004 Bulletin 2004/37

(21) Application number: 02772568.8

(22) Date of filing: 30.10.2002
(51) International Patent Classification (IPC)7G21C 19/46
(86) International application number:
PCT/GB2002/004875
(87) International publication number:
WO 2003/038836 (08.05.2003 Gazette 2003/19)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 30.10.2001 GB 0125951

(71) Applicant: British Nuclear Fuels PLC
Warrington,Cheshire WA3 6AS (GB)

(72) Inventors:
  • BOXALL, Colin,Centre for Materials Science
    Preston PR1 2HE (GB)
  • TAYLOR, Robin, John
    Seascale,Cumbria CA20 1PG (GB)
  • LE GURUN, Gwenaelle
    SeascaleCumbria CA20 1PG (GB)

(74) Representative: Chalk, Anthony John 
Harrison Goddard FooteBelgrave HallBelgrave Street
Leeds LS2 8DD
Leeds LS2 8DD (GB)

   


(54) PROCESS FOR CONTROLLING VALENCE STATES