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(11)

EP 0 696 314 A1

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(43) Date of publication: 14.02.1996 Bulletin 1996/07 (21) Application number: 94915111.0 (22) Date of filing: 25.04.1994

(51) International Patent Classification (IPC):  C11D 1/ 722( . ) C11D 3/ 48( . ) C11D 3/ 20( . ) (86) International application number: PCT/EP1994/001282 (87) International publication number: WO 1994/025559 (10.11.1994 Gazette 1994/25)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 03.05.1993 DE 19934314524 (71) Applicant: Henkel-Ecolab GmbH & Co. OHG D-40554 Düsseldorf (DE)	(72) Inventors: MERZ, Thomas D-40723 Hilden (DE) FRIESE, Carsten D-22559 Hamburg (DE) LEINEN, Hans-Theo D-40229 Düsseldorf (DE) BANSEMIR, Klaus-Peter D-40764 Langenfeld (DE) STEIN, Sigrid D-40789 Monheim (DE) (74) Representative: Hase, Christian, et al  Henkel KGaA TFP / Patentabteilung D-40191 Düsseldorf D-40191 Düsseldorf (DE)