| (19) |
 |
|
(11) |
EP 0 344 828 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
18.07.1990 Bulletin 1990/29 |
| (43) |
Date of publication A2: |
|
06.12.1989 Bulletin 1989/49 |
| (22) |
Date of filing: 20.04.1989 |
|
|
| (84) |
Designated Contracting States: |
|
CH DE ES FR GB IT LI NL SE |
| (30) |
Priority: |
06.05.1988 GB 8810822
|
| (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: |
|
- Berthod, Daniel Pierre Marie
F-59237 Verlinghem (FR)
- Blokland, Robert
NL-3137 AB Vlaardingen (NL)
|
| (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) |
|
| |
|
| (54) |
Liquid detergent compositions |
(57) Environmentally preferred, isotropic, aqueous, liquid detergents, comprising:
( i ) at least 20 % by weight of a surfactant system, of which at least 5 % by weight
of the total composition is soap;
( ii) at least 5 % by weight of propylene glycol;
(iii) less than 5 mmol per litre of calcium;
said composition being substantially free of a di- or tri-alkanolamine capable of
forming a complex with soap. Preferably the compositions also comprise a boron compound
and glycerol to provide good enzyme stability.