(19)

(11)

EP 1 317 244 A2

(12)

(88) Date of publication A3: 13.06.2002 (43) Date of publication: 11.06.2003 Bulletin 2003/24 (21) Application number: 01956221.4 (22) Date of filing: 17.08.2001

(51) International Patent Classification (IPC)7: A61K 7/16, C01F 11/18 (86) International application number: PCT/BR0100/101 (87) International publication number: WO 0201/3774 (21.02.2002 Gazette 2002/08)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.08.2000 GB 0020183 (71) Applicant: Quimica Industrial Barra do Pirai Ltda. CEP-27130-610 Rio de Janeiro, RJ (BR)	(72) Inventors: COELHO, Antonio O. CEP-22290-160 Rio de Janeiro, RJ (BR) VALENTE, Carlos A. R. CEP-27293-180 Rio de Jan (BR) ANDRADE, Gustavo P. N. CEP-22261-160 Rio de Janeiro, RJ (BR) RENHA, Luiz Ricardo B. S. CEP-22241-000 Rio de Janeiro, RJ (BR) (74) Representative: Nash, David Allan  Haseltine Lake,Imperial House,15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)