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Intravaginal drug delivery device

  • US 5,788,980 A
  • Filed: 10/24/1996
  • Issued: 08/04/1998
  • Est. Priority Date: 11/01/1995
  • Status: Expired due to Term
First Claim
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1. An intravaginal drug delivery device for prolonged release of an active ingredient consisting essentially of at least one polyorganosiloxane ring matrix containing an active ingredient to be released, and an amount of 1 to 50% by weight of at least one fatty acid ester.

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