(19)
(11) EP 0 703 293 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.04.1998 Bulletin 1998/14

(43) Date of publication A2:
27.03.1996 Bulletin 1996/13

(21) Application number: 95114441.9

(22) Date of filing: 14.09.1995
(51) International Patent Classification (IPC)6: C11D 3/37
(84) Designated Contracting States:
BE CH DE FR GB LI NL SE

(30) Priority: 23.09.1994 IT MI941935

(71) Applicant: 3V SIGMA S.p.A
I-20121 Milano (IT)

(72) Inventors:
  • Brena, Marco
    I-24100 Bergamo (IT)
  • Raspanti, Giuseppe
    I-24100 Bergamo (IT)

(74) Representative: Minoja, Fabrizio 
Studio Consulenza Brevettuale, Via Rossini, 8
I-20122 Milano
I-20122 Milano (IT)

   


(54) Optical bleacher formulations


(57) Fluid formulations consisting of 10-40% of anionic optical bleachers containing at least one sulfonic group and 90-60% of a compound or a mixture of compounds of formula I


wherein the groups are defined in the disclosure. The formulations are useful in the manufacture of detergents.





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