| (19) |
 |
|
(11) |
EP 1 038 946 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
25.10.2000 Bulletin 2000/43 |
| (43) |
Date of publication A2: |
|
27.09.2000 Bulletin 2000/39 |
| (22) |
Date of filing: 29.07.1997 |
|
|
| (84) |
Designated Contracting States: |
|
DE ES FR GB IT |
| (30) |
Priority: |
23.08.1996 US 24479 P
|
| (62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
|
97940038.9 / 0922090 |
| (71) |
Applicants: |
|
- UNILEVER PLC
London EC4P 4BQ (GB)
GB
- UNILEVER N.V.
3013 AL Rotterdam (NL)
DE ES FR IT
|
|
| (72) |
Inventor: |
|
- Moschner, Karl Friedrich
Edgewater, New Jersey 07020 (US)
|
| (74) |
Representative: Elliott, Peter William et al |
|
Unilever plc Patent Division Colworth House Sharnbrook
Bedford MK44 1LQ
Bedford MK44 1LQ (GB) |
|
| |
|
| (54) |
N-acylimines as bleach catalysts |
(57) Novel bleaches, a method for bleaching substrates using these materials and detergent
compositions containing same are reported. The bleaches are N-acylimines. Substrates
such as fabrics may be bleached in an aqueous solution containing the N-acylimines
and a peroxygen compound.