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Preparation of liposomes with peg-bound phospholipid on surface

  • US 5,593,622 A
  • Filed: 06/02/1995
  • Issued: 01/14/1997
  • Est. Priority Date: 08/11/1988
  • Status: Expired due to Term
First Claim
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1. A process for the preparation of a liposome comprising PEG-bound phospholipid on the surface thereof, wherein said PEG-bound phospholipid extends outwardly, and does not substantially extend inwardly from the surface of said liposome, said process comprising preparing a liposome and adding PEG-bound phospholipid to said liposome thereby fixing the PEG-bound phospholipid on the surface of said liposome.

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