(19)
(11) EP 0 452 016 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.03.1992 Bulletin 1992/11

(43) Date of publication A2:
16.10.1991 Bulletin 1991/42

(21) Application number: 91302852.8

(22) Date of filing: 02.04.1991
(51) International Patent Classification (IPC)5C11D 11/00, C11D 3/12
(84) Designated Contracting States:
AT BE CH DE DK ES FR GR IT LI LU NL SE

(30) Priority: 12.04.1990 GB 9008462

(71) Applicant: SOUTHERN CLAY PRODUCTS, INC.
Gonzales, TX 78629 (US)

(72) Inventors:
  • Goodman, Howard
    St. Austell, Cornwall (GB)
  • Lymath, Gary Arthur
    Poole, Dorset BH17 9DZ (GB)
  • Stockley, David John
    Swanage, Dorset BH19 2SJ (GB)

(74) Representative: Green, Mark Charles et al
Urquhart-Dykes & Lord, 91 Wimpole Street
London W1M 8AH
London W1M 8AH (GB)


(56) References cited: : 
   
       


    (54) A process for preparing granules for detergent compositions


    (57) There is disclosed a process for preparing granules for incorporation into a detergent composition, which process comprises the steps of

    (a) tumbling together in a rotating pan a finely divided particulate smectite clay and a finely divided particulate zeolite in a weight ratio of from 1:9 to 9:1 whilst sufficient water is added slowly to the resultant mixture to bind the particles together to form granules of a mixture of said smectite clay and said zeolite; and

    (b) drying the resultant granules to reduce the water content to not more than 20% of the total weight of the granules.


    Also disclosed is a detergent composition including said granules.





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