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Container with multi-phase composition for use in diagnostic and therapeutic applications

  • US 5,773,024 A
  • Filed: 09/16/1994
  • Issued: 06/30/1998
  • Est. Priority Date: 12/22/1989
  • Status: Expired due to Term
First Claim
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1. A container which contains a composition comprising an aqueous phase and a gaseous phase substantially separate from said aqueous phase, wherein said aqueous phase comprises a lipid suspended therein and said gaseous phase comprises sulfur hexafluoride gas, and wherein said composition is capable of forming lipid spheres encapsulating the gas upon agitation of the container.

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