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Macromolecular microparticles and methods of production and use

  • US 6,268,053 B1
  • Filed: 01/14/2000
  • Issued: 07/31/2001
  • Est. Priority Date: 03/09/1993
  • Status: Expired due to Term
First Claim
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1. A microparticle comprising macromolecule and polymer, wherein the concentration of macromolecule in the microparticle is at least 40% and less than 100% by weight.

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