Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1976-08-16
1978-01-10
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...
128260, 424 14, 424 16, 424 21, 424 28, A61K 902, A61L 1503
Patent
active
040679616
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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Filcik Julius P.
Rose Shep K.
The Procter & Gamble & Company
Witte Richard C.
Yetter Jerry J.
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