(19)

(11)

EP 1 963 038 A1

(12)

(43) Date of publication: 03.09.2008 Bulletin 2008/36 (21) Application number: 06835732.6 (22) Date of filing: 20.12.2006

(51) International Patent Classification (IPC):  B22F 3/105(2006.01) B22F 3/14(2006.01) (86) International application number: PCT/NO2006/000491 (87) International publication number: WO 2007/073205 (28.06.2007 Gazette 2007/26)

(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: 20.12.2005 US 752242 P (71) Applicant: Sinvent AS 7465 Trondheim (NO)	(72) Inventors: KARLSEN, Roald N-7015 Trondheim (NO) ÅSEBØ, Olav N-7043 Trondheim (NO) (74) Representative: Rekdal, Kristine  Bryn Aarflot AS P.O. Box 449 Sentrum 0104 Oslo 0104 Oslo (NO)