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Preparation of emulsions and concentrates thereof

  • US 20040043043A1
  • Filed: 08/15/2003
  • Published: 03/04/2004
  • Est. Priority Date: 09/20/2000
  • Status: Abandoned Application
First Claim
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1. A process for the preparation of a liquid emulsion composition having a continuous aqueous phase containing a gelling agent and a thickener and optionally a physiologically tolerable amount of at least one water soluble vitamin and/or non-vitamin drug, and a discontinuous oil phase, optionally comprising at least one lipophilic vitamin and/or non-vitamin drug and optionally an edible triglyceride, said emulsion composition further containing at least one emulsifying agent, said process comprising:

  • forming an aqueous composition comprising an aqueous solution of a gelling agent and a thickener and is optionally at least one water soluble vitamin and/or non-vitamin drug;

    forming a water-immiscible liquid composition comprising at least one emulsifying agent and optionally at least one lipophilic vitamin and/or non-vitamin drug;

    mixing said water-immiscible composition with at least part of said aqueous composition whereby to form an oil-in-water emulsion; and

    if required mixing further components with said emulsion whereby to form said liquid emulsion composition.

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