(19)

(11)

EP 2 235 543 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 08864896.9 (22) Date of filing: 19.12.2008

(51) International Patent Classification (IPC):  G01N 33/92(2006.01) (86) International application number: PCT/GB2008/004228 (87) International publication number: WO 2009/081140 (02.07.2009 Gazette 2009/27)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 21.12.2007 GB 0725069 (71) Applicant: Axis-Shield Asa 0510 Oslo (NO)	(72) Inventors: FAAREN, Arne, Ludvig N-0510 Oslo (NO) FRANTZEN, Frank N-0510 Oslo (NO) NORDHEI, Arne, Kristian N-0510 Oslo (NO) SUNDREHAGEN, Erling N-0510 Oslo (NO) ÖRNING, Lars N-0510 Oslo (NO) (74) Representative: Goddard, Christopher Robert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)