Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1977-10-31
1979-03-20
Rose, Shep K.
Drug, bio-affecting and body treating compositions
Identification or warning feature
Taste or smell or chemical irritation to the eye, nose, or...
424 15, 424 19, 424 21, 424 27, 424 28, 128260, A61K 924, A61K 948
Patent
active
041454081
ABSTRACT:
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 biological activity, for example, non-hormonal contraceptives.
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O'Flaherty Thomas H.
Rose Shep K.
The Procter & Gamble & Company
Witte Richard C.
Yetter Jerry J.
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