(19)

(11)

EP 0 642 358 A1

(12)

(43) Date of publication: 15.03.1995 Bulletin 1995/11 (21) Application number: 92920945.0 (22) Date of filing: 05.10.1992

(51) International Patent Classification (IPC):  A61L 2/ 10( . ) A61L 9/ 20( . ) C02F 1/ 78( . ) A61L 2/ 20( . ) C02F 1/ 32( . ) (86) International application number: PCT/GB1992/001820 (87) International publication number: WO 1993/006871 (15.04.1993 Gazette 1993/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (30) Priority: 09.10.1991 GB 19910021416 06.07.1992 GB 19920014295 (71) Applicant: J. MORTENSEN & CO., LTD. Hung Hom, Kowloon (HK)	(72) Inventor: MORTENSEN, Jorgen, Gudik F-2, 10th Floor Hung Hom Kowloon (HK) (74) Representative: Luckhurst, Anthony Henry William  MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)