(19)

(11)

EP 0 415 921 A1

(12)

(43) Date of publication: 13.03.1991 Bulletin 1991/11 (21) Application number: 88907084.0 (22) Date of filing: 15.06.1988

(51) International Patent Classification (IPC):  C02F 1/ 38( . ) C02F 1/ 461( . ) C02F 1/ 46( . ) C02F 1/ 00( . ) (86) International application number: PCT/DK1988/000097 (87) International publication number: WO 1989/008081 (08.09.1989 Gazette 1989/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 29.02.1988 DK 19880001056 (71) Applicant: HOYRUP, Irma DK-2300 Copenhagen S. (DK)	(72) Inventor: HOYRUP, Irma DK-2300 Copenhagen S. (DK)