The Procter Gamble Company

Thomas William Gougeon

James L Drobish

Robert G Laughlin

Improved reinforced devices, which can be retained in the vagina during intercourse, deliver spermicidal surfactants and provide contraceptive benefits. Lobed devices provide channels through which menses and other biological fluids can pass. Multi-compartment devices provide added protection against leakage, rupture or perforation during manufacture, handling and use.

Vaginal contraceptive

Improved devices which can be retained in the vagina during intercourse deliver spermicidal surfactants and provide contraceptive benefits.

Improved reinforced devices which can be retained in the vagina during intercourse, deliver spermicidal surfactants and provide contraceptive benefits.

Controlled release articles which regulate the concentration of a surfactant compound at a useful level in an environment external to said articles are provided with a coating. The improved articles are especially useful in or on the bodies of animals, including humans, to provide immediate release of the coating and, thereafter, to provide controlled release of surfactants having biological activity, e.g., non-hormonal contraceptives.

Controlled release contraceptive article

Improved dispensing means for medicaments, contraceptives, and the like, which can be retained in the vagina during intercourse are provided.

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Cincinnati, OH, United States of America

Thomas William Gougeon