Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1984-02-06
1988-03-15
Friedman, Stanley J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
514177, 514223, 514357, 514618, 514655, 514708, A61K 3110, A61K 3144, A61K 3154, A61K 31135, A61K 31165, A61K 3156
Patent
active
047313595
ABSTRACT:
The time during which a drug is pharmacologically active is prolonged by coating the drug with at least one chemical derivative of the drug having minor relative pharmacological activity.
REFERENCES:
Sinkula, "Sustained & Controlled Release Drug Del. Systems", vol. 6, Drugs & Pharm. Sciences Chapt. 6, pp. 411-548 (1978).
Friedman Stanley J.
University of Southern California
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