(19)

(11)

EP 0 474 639 A1

(12)

(43) Date of publication: 18.03.1992 Bulletin 1992/12 (21) Application number: 90904891.0 (22) Date of filing: 23.03.1990

(51) International Patent Classification (IPC):  C05D 9/ 00( . ) C05F 11/ 04( . ) (86) International application number: PCT/GB1990/000451 (87) International publication number: WO 1990/011265 (04.10.1990 Gazette 1990/23)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 23.03.1989 GB 19890006868 23.03.1989 GB 19890006869 (71) Applicant: McKenzie, David Lawrence Cheltenham, Gloucestershire GL50 1JN (GB)	(72) Inventor: McKenzie, David Lawrence Cheltenham, Gloucestershire GL50 1JN (GB) (74) Representative: James, Michael John Gwynne  Wynne-Jones, Lainé & James 22, Rodney Road Cheltenham Gloucestershire GL50 1JJ Cheltenham Gloucestershire GL50 1JJ (GB)