(19)
(11) EP 0 413 965 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.04.1991 Bulletin 1991/17

(43) Date of publication A2:
27.02.1991 Bulletin 1991/09

(21) Application number: 90113840.4

(22) Date of filing: 19.07.1990
(51) International Patent Classification (IPC)5: A23K 1/175, A23K 1/18
(84) Designated Contracting States:
BE DE DK FR GB NL SE

(30) Priority: 22.08.1989 US 396915

(71) Applicant: Degussa Aktiengesellschaft
60311 Frankfurt (DE)

(72) Inventors:
  • Schweitzer, Uwe
    D-8757 Karlstein (DE)
  • Hartwig, Peter
    Ramsey, New Jersey (US)
  • Herz, Robert T., Jr.
    Norwalk, Ct. 08650 (US)
  • Steepy, Robert
    Elmwood Park, N.J. 07407 (US)


(56) References cited: : 
   
       


    (54) Precipitated amorphous silica or silicate as grinding aid for fish meal or fish food


    (57) A process for producing free flowing fish feed wherein precipitated amorphous silica or silicate or silica gel is added to fish feed and fish meal. The additive prevents clogging during grinding and tackiness in the fish feed.





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