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Method for incorporating substances into protein microspheres

  • US 3,937,668 A
  • Filed: 11/06/1972
  • Issued: 02/10/1976
  • Est. Priority Date: 07/15/1970
  • Status: Expired due to Term
First Claim
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1. A process for incorporating a substance capable of being precipitated into albumin millimicrospheres comprising:

  • preparing a precipitate of said substance and forming a mixture of the precipitate with an aqueous solution of albumin;

    injecting said mixture into oil and pressing the resultant through a fine capillary or rotating disc to form an extremely fine emulsion of droplets of the precipitate and albumin in said oil, heating said oily mixture above 100°

    C and separating the formed albumin millimicrospheres from said oil having said precipitate encapsulated therein.

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