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Magnetically-localizable, biodegradable lipid microspheres

  • US 4,331,654 A
  • Filed: 06/13/1980
  • Issued: 05/25/1982
  • Est. Priority Date: 06/13/1980
  • Status: Expired due to Term
First Claim
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1. A magnetically-localizable, biodegradable, substantially water-free drug carrier formulation consisting essentially of lipid microspheres containing a magnetically-responsive substance, one or more biodegradable lipids and one or more non-toxic surfactants.

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