(19)
(11) EP 0 319 053 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.11.1990 Bulletin 1990/46

(43) Date of publication A2:
07.06.1989 Bulletin 1989/23

(21) Application number: 88202354.2

(22) Date of filing: 21.10.1988
(51) International Patent Classification (IPC)4: C11D 3/395, C11D 3/12, C11D 3/33
(84) Designated Contracting States:
CH DE ES FR GB IT LI NL SE

(30) Priority: 02.12.1987 GB 8728232

(71) Applicants:
  • UNILEVER N.V.
    3013 AL Rotterdam (NL)

    CH DE ES FR IT LI NL SE 
  • UNILEVER PLC
    London EC4P 4BQ (GB)

    GB 

(72) Inventors:
  • Emery, William Derek
    Wirral Merseyside L62 6BP (GB)
  • Barnes, Stephen George
    Hooton South Wirral L66 6AL (GB)
  • Sims, Peter Stanford
    Chester Cheshire CH3 5UX (GB)

(74) Representative: Tan, Bian An (NL) et al
Unilever N.V. Patent Division P.O. Box 137
NL-3130 AC Vlaardingen
NL-3130 AC Vlaardingen (NL)


(56) References cited: : 
   
       


    (54) Improved phosphate-free detergent bleach compositions


    (57) Improved phosphate-free aluminosilicate built detergent bleach compositions having improved cleaning and stain-­removal properties are disclosed. The compositions comprise at least one detergent-active material, from 20-35% water-­insoluble aluminosilicate cation-exchange material, 2-5% by weight of an alkali metal nitrilotriacetate and 1-15% by weight of an organic solid peroxyacid compound.
    The compositions are usable and effective for washing at temperatures of 40°C and below.





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