(19)

(11)

EP 0 891 222 A1

(12)

(43) Date of publication: 20.01.1999 Bulletin 1999/03 (21) Application number: 97900814.0 (22) Date of filing: 03.01.1997

(51) International Patent Classification (IPC):  A61L 11/ 00( . ) A61L 9/ 04( . ) B01J 20/ 14( . ) A61L 9/ 01( . ) B01J 20/ 04( . ) B65F 7/ 00( . ) (86) International application number: PCT/NO1997/000002 (87) International publication number: WO 1997/025137 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IT LI NL PT SE (30) Priority: 05.01.1996 NO 19960000051 10.05.1996 NO 19960003339 09.08.1996 NO 19960003339 (71) Applicant: Sutsey A/S 0125 Oslo (NO)	(72) Inventors: OFSTAD, Karl-Magnus, Seierstad N-9390 Vestnes (NO) S VIK, Sveinung N-6111 lesund (NO) (74) Representative: Raffnsöe, Knud Rosenstand, et al  Internationalt Patent-Bureau, 23 Höje Taastrup Boulevard 2630 Taastrup 2630 Taastrup (DK)