(19)

(11)

EP 0 578 642 A1

(12)

(43) Date of publication: 19.01.1994 Bulletin 1994/03 (21) Application number: 92904376.0 (22) Date of filing: 04.02.1992

(51) International Patent Classification (IPC):  C10M 101/ 02( . ) C10M 159/ 04( . ) C10N 20/ 04( . ) C10N 40/ 25( . ) C10N 50/ 10( . ) C10M 127/ 02( . ) C10N 20/ 00( . ) C10N 40/ 04( . ) C10N 40/ 34( . ) (86) International application number: PCT/AU1992/000034 (87) International publication number: WO 1992/013932 (20.08.1992 Gazette 1992/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 04.02.1991 AU 19910004425 04.11.1991 AU 19910009259 13.12.1991 AU 19910009994 23.01.1992 AU 19920000531 (71) Applicant: MUNTZ, Pieter Jan Dirk South Perth, W.A. 6151 (AU)	(72) Inventor: MUNTZ, Pieter Jan Dirk South Perth, W.A. 6151 (AU) (74) Representative: Pendlebury, Anthony, et al  PAGE, WHITE & FARRER 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)