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Active agent containing solid structures for prolonged release of active agents

  • US 5,248,700 A
  • Filed: 04/21/1989
  • Issued: 09/28/1993
  • Est. Priority Date: 05/14/1982
  • Status: Expired due to Term
First Claim
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1. An active agent containing solid structure adapted for prolonged release of said active agent, said active agent containing solid structure comprising a matrix of a degradable polymer (B) and a microporous powder form polymer (A) loaded with said active agent, said microporous powder form polymer (A) being uniformly distributed in said matrix.

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