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Targeted polymerized liposomes for improved drug delivery

  • US 6,004,534 A
  • Filed: 04/18/1997
  • Issued: 12/21/1999
  • Est. Priority Date: 07/23/1993
  • Status: Expired due to Fees
First Claim
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1. A polymerized liposome suitable for oral delivery of a biologically active substance comprising a phospholipid bilayer having covalently bound phospholipids, an aqueous core and a bioactive molecule, wherein said liposome is modified to contain a targeting molecule which is selected from the group consisting of glycoproteins, lectins, carbohydrates, bacterial proteins and viral proteins.

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