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Method of producing liposome

  • US 4,877,561 A
  • Filed: 04/02/1987
  • Issued: 10/31/1989
  • Est. Priority Date: 04/02/1986
  • Status: Expired due to Term
First Claim
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1. A method of producing liposomes with increased drug trap ratio, which comprises (1) providing a dispersion containing a drug and liposomes prepared from a phospholipid, (2) adding an organic solvent having a boiling point not higher than 100°

  • C. to the dispersion to cause gel formation, and then (3) removing said organic solvent by evaporation to reconstitute liposomes.

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