Controlled release article

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A - Human Necessities

61

K

167/159, 210/6

A61K 9/24 (2006.01) A61K 9/00 (2006.01) A61K 9/02 (2006.01) A61K 9/28 (2006.01)

Patent

CA 1078734

CONTROLLED RELEASE ARTICLE Robert G. Laughlin ABSTRACT OF THE DISCLOSURE Controlled release articles which regulate the concentration of a surfactant compound at a useful level in an environment external to said articles are provided. The articles are especially adapted for use in or on the bodies of animals, including humans, to provide controlled release of surfactants having bio- logical activity, for example, non-hormonal contraceptives.

246908

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