(19)
(11) EP 1 132 458 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.09.2001 Bulletin 2001/38

(43) Date of publication A2:
12.09.2001 Bulletin 2001/37

(21) Application number: 01108244.3

(22) Date of filing: 08.02.1995
(51) International Patent Classification (IPC)7: C11D 3/34, C11D 3/39, C11D 3/02
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE

(62) Application number of the earlier application in accordance with Art. 76 EPC:
95200309.3 / 0726309

(71) Applicant: THE PROCTER & GAMBLE COMPANY
Cincinnati, Ohio 45202 (US)

(72) Inventors:
  • Bianchetti, Guilia Ottavia
    00144 Rome (IT)
  • Cardola, Sergio (NMN)
    00064 Rome (IT)
  • Scialla, Stefano (NMN)
    00128 Rome (IT)

(74) Representative: Goodier, Claire-Louise et al
NV Procter & Gamble Services SA, Temselaan 100
1853 Strombeek-Bever
1853 Strombeek-Bever (BE)

   


(54) Limescale removing compositions


(57) The present invention provides the use of an arylsulfonic acid selected from a specific group, in an aqueos composition, for removing limescale.





Search report