| (19) |
 |
|
(11) |
EP 0 313 144 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
18.10.1989 Bulletin 1989/42 |
| (43) |
Date of publication A2: |
|
26.04.1989 Bulletin 1989/17 |
| (22) |
Date of filing: 07.10.1988 |
|
|
| (84) |
Designated Contracting States: |
|
CH DE ES FR GB IT LI NL SE |
| (30) |
Priority: |
23.10.1987 GB 8724900
|
| (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
South Wirral L66 6AL (GB)
- Sims, Peter Stanford
Cheshire CH3 5UX (GB)
|
| (74) |
Representative: Bryant, Tracey et al |
|
Unilever PLC
Patent Division
Colworth House
Sharnbrook
Bedford MK44 1LQ
Bedford MK44 1LQ (GB) |
|
| |
|
| (54) |
Non-phosphorus detergent bleach compositions |
(57) Non-phosphorus aluminosilicate built detergent bleach composition having really effective
cleaning and stain removal performances at low wash temperatures of 40°C and below,
comprising at least one detergent-active material selected from anionic, nonionic,
amphoteric, zwitterionic detergent compounds and soaps and mixtures thereof, and
(a) from about 15% to about 40% by weight of a water-insoluble aluminosilicate cation-exchange
material;
(b) from about 1% to about 15% by weight of citric acid or an alkali metal citrate;
(c) from about 5% to about 35% by weight of an inorganic peroxide compound; and
(d) from about 1% to about 10% by weight of a peroxybenzoic acid bleach precursor.