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Formulation/Product Development

1981

English

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Patent: Intravaginal Ring, Harold A. Nash, Daniel R. Mishell Jr. Jan 1981

Patent: Intravaginal Ring, Harold A. Nash, Daniel R. Mishell Jr.

Formulation/Product Development

This invention relates to an improved intravaginal ring for use as a contraceptive comprising an inert elastomer core, a medicated layer encircling the core and an outer inert elastomer layer and method of manufacturing the intravaginal ring.

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