Title

Patent: Intravaginal ring

Document Type

Patent

Publication Date

1981

Abstract

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.

DOI

United States Patent 4,292,965

Language

English

US4292965.pdf (1894 kB)

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