(19)

(11)

EP 0 842 236 A1

(12)

(43) Date of publication: 20.05.1998 Bulletin 1998/21 (21) Application number: 96924708.0 (22) Date of filing: 25.07.1996

(51) International Patent Classification (IPC):  C07D 498/ 10( . ) C09K 9/ 02( . ) C08F 220/ 26( . ) G02B 5/ 23( . ) (86) International application number: PCT/AU1996/000466 (87) International publication number: WO 1997/005213 (13.02.1997 Gazette 1997/08)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 28.07.1995 AU 1969PN00443 (71) Applicant: SOLA INTERNATIONAL HOLDINGS, LTD. Lonsdale, South Australia 5160 (AU)	(72) Inventors: TOH, Huan, Kiak Fullerton, S.A. 5063 (AU) CHEN, Fang Hallett Cove, S.A. 5158 (AU) (74) Representative: Jenkins, Peter David, et al  PAGE WHITE & FARRER 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)