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Pharmaceutical devices and method

  • US 3,920,805 A
  • Filed: 12/17/1973
  • Issued: 11/18/1975
  • Est. Priority Date: 12/09/1971
  • Status: Expired due to Term
First Claim
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1. A SOLID PHARMACEUTICAL DEVICE FORMED AS A VAGINAL RING OF A NONTOXIC RESILIENT MEDICATON DIFFUSING ORGANOPOLYSILOXANE POLYMER AND AN EFFECTIVE VAGINAL DOSAGE AMOUNT OF A MEDICATION DIFFUSIBLE THEREIN WHICH RELEASES SAID MEDICATION DURING RESIDENCE IN THE VAGINAL CAVITY OF A LIVING MAMMAL CONSISTING ESSENTIALLY OF, IN COMBINATION, A NONMEDICATED CENTRAL CORE OF SAID POLYMER AND AN ENCIRCLING FINITE THICKNESS OF A MEDICATED COATING OF SAID POLYMER.

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