(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

(21) Application number: 90302125.1

(22) Date of filing: 28.02.1990
(51) International Patent Classification (IPC)5C11D 17/00, C11D 3/12
(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)


(56) References cited: : 
   
       


    (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.





    Search report