(19)

(11)

EP 0 724 550 A1

(12)

(43) Date of publication: 07.08.1996 Bulletin 1996/32 (21) Application number: 94930860.0 (22) Date of filing: 20.10.1994

(51) International Patent Classification (IPC):  B02C 18/ 00( . ) C05F 17/ 02( . ) C05F 9/ 02( . ) (86) International application number: PCT/AU1994/000635 (87) International publication number: WO 1995/011206 (27.04.1995 Gazette 1995/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 20.10.1993 AU 1993PM01910 (71) Applicant: UNIVERSAL GREENING PTY. LTD Brighton, VIC 3186 (AU)	(72) Inventor: MURPHY, David, John, Francis Maryborough, VIC 3465 (AU) (74) Representative: Jennings, Nigel Robin, et al  KILBURN & STRODE 30 John Street London WC1N 2DD London WC1N 2DD (GB)