Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1983-06-06
1985-03-05
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 32, 424 33, 424 34, 424 35, A61K 924, A61K 922, A61K 932, A61K 936
Patent
active
045030308
ABSTRACT:
An osmotic device is disclosed for delivering a beneficial agent to a first environment having a pH of 1.0 to 3.5 inclusive and to a second environment having a pH of greater than 3.5 to 8.0. The device maintains its integrity in the first environment and loses its integrity in the second environment.
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Edgren David
Theeuwes Felix
Wong Patrick S.-L.
ALZA Corporation
Mandell Edward L.
Rose Shep K.
Sabatine Paul L.
Stone Steven F.
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