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Magnetic-polymer particles

  • US 4,795,698 A
  • Filed: 09/16/1986
  • Issued: 01/03/1989
  • Est. Priority Date: 10/04/1985
  • Status: Expired due to Term
First Claim
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1. A process for the preparation of magnetic-polymer particles comprising the steps of:

  • (a) combining a first aqueous solution of at least two species of transition metal ions capable of reacting with each other to form a magnetic precipitate and a polymer having available coordination sites in proportions adapted to produce a resuspendable product;

    (b) reacting said transition metal ions in the presence of said polymer to form a magnetic precipitate comprising magnetic-polymer particles;

    (c) recovering said magnetic-polymer particles.

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