Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules
Patent
1987-01-08
1988-10-11
Schofer, Joseph L.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Capsules
424468, 6048921, A61K 948, A61K 952
Patent
active
047770490
ABSTRACT:
An osmotic delivery system is disclosed for delivering a useful agent at a controlled and constant rate modulated by a pulsed delivery of the useful agent to an environment of use.
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patent: 4539198 (1985-09-01), Powell et al.
65455k Chem. Abstracts, vol. 83, 1975; p. 445.
Barclay Brian
Magruder Paul R.
Theeuwes Felix
Wong Patrick S.-L.
ALZA Corporation
Mandell Edward L.
Precivale Shelley G.
Sabatine Paul L.
Schofer Joseph L.
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