(19)

(11)

EP 0 050 111 A1

(12)

(43) Date of publication: 28.04.1982 Bulletin 1982/17 (21) Application number: 80901011.0 (22) Date of filing: 15.04.1980

(51) International Patent Classification (IPC):  C02F 1/ 48( . ) (86) International application number: PCT/US1980/000426 (87) International publication number: WO 1981/002846 (15.10.1981 Gazette 1981/24)

(84) Designated Contracting States: CH DE FR GB LI LU (30) Priority: 11.04.1980 US 19800139180 (71) Applicant: ROCH, Ricardo Miami Beach, FL 33139 (US)	(72) Inventor: ROCH, Ricardo Miami Beach, FL 33139 (US)