(19)
(11) EP 1 177 321 A1

(12)

(43) Date of publication:
06.02.2002 Bulletin 2002/06

(21) Application number: 00901424.2

(22) Date of filing: 02.02.2000
(51) International Patent Classification (IPC)7C14C 3/08
(86) International application number:
PCT/BR0000/006
(87) International publication number:
WO 0066/793 (09.11.2000 Gazette 2000/45)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 30.04.1999 BR 9901948

(71) Applicant: Rhodia Brasil Ltda
CEP-05804-902 Sao Paulo, SP (BR)

(72) Inventor:
  • C LIO FERRAZ LOUREN O, Wagner
    CEP-13083-080 Campinas, SP (BR)

(74) Representative: Prato, Roberto et al
STUDIO TORTA S.r.l., Via Viotti 9
10121 Torino
10121 Torino (IT)

   


(54) APPLICATION OF CARBONYL COMPOUNDS IN THE PROCESS OF TANNING HIDES