| (19) |
 |
|
(11) |
EP 0 421 738 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
16.10.1991 Bulletin 1991/42 |
| (43) |
Date of publication A2: |
|
10.04.1991 Bulletin 1991/15 |
| (22) |
Date of filing: 02.10.1990 |
|
| (51) |
International Patent Classification (IPC)5: C11D 3/395 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
04.10.1989 US 417123
|
| (71) |
Applicant: THE PROCTER & GAMBLE COMPANY |
|
Cincinnati,
Ohio 45202 (US) |
|
| (72) |
Inventor: |
|
- Wise, Rodney Mahlon
Cincinnati,
Ohio 45213 (US)
|
| (74) |
Representative: Gibson, Tony Nicholas et al |
|
Procter & Gamble (NTC) Limited
Whitley Road
Longbenton
Newcastle upon Tyne NE12 9TS
Longbenton
Newcastle upon Tyne NE12 9TS (GB) |
|
| |
|
| (54) |
Stable thickened liquid cleaning composition containing bleach |
(57) Liquid cleaning compositions displaying enhanced physical stability in the presence
of bleach are provided, comprising a chlorine bleach ingredient, cross-linked polycarboxylate
polymer, a rheology stabilizing agent, and a buffering agent to maintain the pH of
the composition above about 10. Preferred liquid automatic dishwashing detergent compositions
containing builder and optional surfactant and metalate, and displaying shear thinning
behavior, are disclosed.