Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1989-05-01
1990-08-07
Chaudhuri, Olik
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424482, A61K 922
Patent
active
049466860
ABSTRACT:
A drug delivery device for the controlled release of a therapeutically active ingredient into an environment of use is disclosed which comprises:
REFERENCES:
patent: 4693895 (1987-09-01), Wong et al.
patent: 4795644 (1989-01-01), Zentner
patent: 4814183 (1989-03-01), Zentner
McClelland Gregory A.
Zentner Gaylen M.
Chaudhuri Olik
DiPrima Joseph F.
Griffis Andrew
McGough Kevin J.
Merck & Co. , Inc.
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