(19)

(11)

EP 0 624 186 A1

(12)

(43) Date of publication: 17.11.1994 Bulletin 1994/46 (21) Application number: 92903701.0 (22) Date of filing: 27.01.1992

(51) International Patent Classification (IPC):  A61K 8/ 46( . ) A61Q 5/ 02( . ) C11D 1/ 28( . ) A61K 8/ 60( . ) C11D 1/ 83( . ) C11D 1/ 66( . ) (86) International application number: PCT/GB1992/000094 (87) International publication number: WO 1993/015171 (05.08.1993 Gazette 1993/19)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (71) Applicants: DEUTSCHE ICI GMBH D-60395 Frankfurt (DE) IMPERIAL CHEMICAL INDUSTRIES PLC London SW1P 3JF (GB)	(72) Inventors: DAHMS, Gerd D-5620 Velbert (DE) THAMBUSCH-MEYER, Doris D-4300 Essen (DE) LANGE, Anja D-4100 Duisburg (DE) (74) Representative: Roberts, Jonathan Winstanley  Intellectual Property Department ICI Chemicals & Polymers Ltd P.O. Box 11 The Heath Runcorn Cheshire WA7 4QE Runcorn Cheshire WA7 4QE (GB)