(19)

(11)

EP 0 528 909 A1

(12)

(43) Date of publication: 03.03.1993 Bulletin 1993/09 (21) Application number: 91909398.0 (22) Date of filing: 15.05.1991

(51) International Patent Classification (IPC):  C09K 8/ 58( . ) C09K 8/ 32( . ) C10M 125/ 00( . ) C10M 141/ 02( . ) C10M 171/ 06( . ) C10N 40/ 02( . ) C10N 40/ 20( . ) C09K 8/ 14( . ) C09K 8/ 54( . ) C10M 125/ 26( . ) C10M 169/ 00( . ) C10N 20/ 06( . ) C10N 40/ 06( . ) (86) International application number: PCT/AU1991/000208 (87) International publication number: WO 1991/018077 (28.11.1991 Gazette 1991/27)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 16.05.1990 NL 19900001145 (71) Applicant: JACOBS, Norman, Laurie Sydney, NSW 2023 (AU)	(72) Inventor: JACOBS, Norman, Laurie Sydney, NSW 2023 (AU) (74) Representative: Lawrence, Peter Robin Broughton  GILL JENNINGS & EVERY, Broadgate House, 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)