| (19) |
 |
|
(11) |
EP 0 294 904 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
14.06.1989 Bulletin 1989/24 |
| (43) |
Date of publication A2: |
|
14.12.1988 Bulletin 1988/50 |
| (22) |
Date of filing: 08.06.1988 |
|
| (51) |
International Patent Classification (IPC)4: C11D 3/39 |
|
| (84) |
Designated Contracting States: |
|
BE DE FR GB IT NL SE |
| (30) |
Priority: |
12.06.1987 GB 8713756
|
| (71) |
Applicants: |
|
- THE PROCTER & GAMBLE COMPANY
Cincinnati,
Ohio 45202 (US)
GB SE
- Procter & Gamble European Technical Center (Naamloze Vennootschap)
B-1853 Strombeek-Bever (BE)
BE DE FR IT NL
|
|
| (72) |
Inventors: |
|
- Geudens, Jozef Philomena Raymond
B-1600 St.Pieters Leeuw (BE)
- Yap, Tjay Yong
B-1020 Brussels (BE)
|
| (74) |
Representative: Ernst, Hubert et al |
|
PROCTER & GAMBLE
EUROPEAN TECHNICAL CENTER
Temselaan 100
1853 Strombeek-Bever
1853 Strombeek-Bever (BE) |
|
| |
|
| (54) |
Process for making an aqueous liquid detergent composition containing a perborate
bleach |
(57) Stable, bleach-containing liquid detergents are prepared, by in situ crystallization
of a perborate bleach. The crystallization may be carried out by converting perborate
monohydrate to perborate tetrahydrate, or by converting a borate to a perborate.