(19)

(11)

EP 1 954 396 A2

(12)

(88) Date of publication A3: 16.08.2007 (43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06832055.5 (22) Date of filing: 02.12.2006

(51) International Patent Classification (IPC):  B03C 1/28(2006.01) (86) International application number: PCT/IB2006/054564 (87) International publication number: WO 2007/063529 (07.06.2007 Gazette 2007/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 02.12.2005 GB 0524684 02.12.2005 US 741975 P (71) Applicant: Invitrogen Dynal AS 0309 Oslo (NO)	(72) Inventors: ALMAASBAK, Hilde Oslo (NO) JOHANSSON, Christer Gothenberg (SE) (74) Representative: Harrison Goddard Foote  Belgrave Hall Belgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)