(19)

(11)

EP 0 964 887 A1

(12)

(43) Date of publication: 22.12.1999 Bulletin 1999/51 (21) Application number: 98910956.0 (22) Date of filing: 06.03.1998

(51) International Patent Classification (IPC):  C08K 5/ 00( . ) (86) International application number: PCT/IE1998/000022 (87) International publication number: WO 1998/039382 (11.09.1998 Gazette 1998/36)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.03.1997 IE 19970000164 15.04.1997 IE 19970000280 (71) Applicant: Solplax Limited Wood Quay, Galway (IE)	(72) Inventors: HAMILTON, Harry Joseph Blackrock, County Dublin (IE) HURLEY, Peter John Huddersfield, West Yorkshire HD2 2FG (GB) (74) Representative: McKeown, Yvonne Mary, et al  c/o MacLachlan & Donaldson, 47 Merrion Square Dublin 2 Dublin 2 (IE)