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Polymeric system for drug delivery and solute separation

  • US 6,565,872 B2
  • Filed: 02/16/2000
  • Issued: 05/20/2003
  • Est. Priority Date: 02/16/1999
  • Status: Expired due to Term
First Claim
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1. A composition for a composite polymer system comprising particles of a stimuli-responsive polymer dispersed within a matrix, said matrix comprising at least one second polymer, wherein said at least one second polymer is non-swellable, hydrophobic and membrane-formable.

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