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Process for extracting oils from oil containing raw materials

  • US 4,122,104 A
  • Filed: 09/15/1976
  • Issued: 10/24/1978
  • Est. Priority Date: 09/19/1975
  • Status: Expired due to Term
First Claim
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1. Process for extracting oils or fats from vegetable material containing the same without flaking the material which comprises first coarsely crushing the material;

  • then conditioning the coarsely crushed material by subjecting it to heat in the presence of moisture;

    then pressing the conditioned coarsely crushed material in a rotary press whose pressing area has a cross-section which decreases in the direction of the outlet;

    then extracting the pressed, conditioned, coarsely crushed material by contact with a solvent for the oil or fat; and

    then recovering the oil or fat.

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