(19)
(11) EP 0 350 470 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.04.1990 Bulletin 1990/14

(43) Date of publication A2:
10.01.1990 Bulletin 1990/02

(21) Application number: 89850206.7

(22) Date of filing: 19.06.1989
(51) International Patent Classification (IPC)5: C11D 3/39, C11D 1/92
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 05.07.1988 SE 8802507

(71) Applicant: BEROL NOBEL NACKA AB
S-100 61 Stockholm (SE)

(72) Inventors:
  • Palicka, Jadwiga
    S-181 46 Lidingö (SE)
  • Legnerfält, Björn Allan
    S-171 70 Solna (SE)
  • Walding, Jan
    S-11643 Stockholm (SE)

(74) Representative: Schöld, Zaid et al
Eka Nobel AB Patent Department Box 11556
100 61 Stockholm
100 61 Stockholm (SE)


(56) References cited: : 
   
       


    (54) A method for washing and a product for increasing the bleaching performance at washing


    (57) The bleaching effect at washing is increased by carrying out the washing in a wash water containing a hydrogen peroxide source and a bleach activator compound of the general formula
    R-(A)n-[-(CHR₁)x]y--Q      (I) or

    wherein R is a higher hydrocarbon group and Q is a group -R₂-S(O)₂-O-M. A bleaching system contains these compounds and a hydrogen peroxide source, preferably a perborate. The bleach activator compounds give decomposition products which are surface active compounds.










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