Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1974-10-25
1976-06-08
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 20, 424 21, 424 22, A61K 922, A61K 950, A61K 952, A61K 954
Patent
active
039624145
ABSTRACT:
A drug delivery device for the continuous and controlled administration of a predetermined therapeutically effective dosage of eye drug to the eye of a mamallian patient over a prolonged period of time. The device meters the flow of polylactic acid polymer micro-encapsulated eye drug by means of a drug release rate controlling material comprised of an anionic polyvalent metal cation cross-linked polyelectrolyte. The device bioerodes in the biological environment of the patient concurrently with the dispensing or at a point in time after the dispensing of the therapeutically desired amount of drug.
REFERENCES:
patent: 3640741 (1972-02-01), Etes
patent: 3755558 (1973-08-01), Scribner
patent: 3773919 (1973-11-01), Boswell et al.
patent: 3826258 (1974-07-01), Abraham
ALZA Corporation
Rose Shep K.
Sabatine Paul L.
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