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Liposomal compositions for enhanced retention of bioactive agents

  • US 5,595,756 A
  • Filed: 12/22/1993
  • Issued: 01/21/1997
  • Est. Priority Date: 12/22/1993
  • Status: Expired due to Term
First Claim
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1. A composition comprising liposomes having encapsulated therein both a bioactive agent and a buffered solution having a pH of 2 to 3, said liposomes containing a sugar-modified lipid which is a ganglioside and cerebroside in an amount of about 10 mol percent.

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