(19) |
 |
|
(11) |
EP 0 385 748 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
|
05.06.1991 Bulletin 1991/23 |
(43) |
Date of publication A2: |
|
05.09.1990 Bulletin 1990/36 |
(22) |
Date of filing: 28.02.1990 |
|
|
(84) |
Designated Contracting States: |
|
CH DE ES FR GB IT LI NL SE |
(30) |
Priority: |
02.03.1989 GB 8904750
|
(71) |
Applicants: |
|
- UNILEVER PLC
London EC4P 4BQ (GB)
GB
- UNILEVER N.V.
NL-3013 AL Rotterdam (NL)
CH DE ES FR IT LI NL SE
|
|
(72) |
Inventors: |
|
- Emery, William Derek
Wirral,
Merseyside L62 6BP (GB)
- Delwel, Francois
NL-3328 BL Dordrecht (NL)
|
(74) |
Representative: Fransella, Mary Evelyn et al |
|
Unilever PLC
Patent Division
Colworth House
Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB) |
|
|
|
(54) |
Agglomerates for addition to detergent powders |
(57) An agglomerate comprising whitening particulate material of average particle size
less than 20 microns, a bulk density less than 400 grams per litre and a reflectance
value (R infinity 460) of greater than 85. Such agglomerates are often especially
white, bright and unnoticeable when added to a detergent base washing powder.