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Polymer derivatives comprising an acetal or ketal branching point

  • US 9,308,273 B2
  • Filed: 10/03/2013
  • Issued: 04/12/2016
  • Est. Priority Date: 05/03/2004
  • Status: Active Grant
First Claim
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1. A conjugate prepared by a polymer with a pharmacologically active agent under conditions suitable to form a covalent attachment between the polymer and the pharmacologically active agent, wherein the polymer is selected from the group consisting of

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