Multiparticulate controlled porosity osmotic

Details Multiparticulate controlled porosity osmotic Multiparticulate controlled porosity osmotic

1987-07-15

1989-07-25

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Capsules

424438, 424467, 424473, 424497, 424424, 424426, 424427, 424433, 424435, A61K 964

Patent

active

048512281

ABSTRACT:
The instant invention is directed to a multiparticulate osmotic pump, for the controlled release of a pharmaceutically active agent to an environment of use, said pump comprising:

REFERENCES:
patent: 3538214 (1970-11-01), Polli et al.
patent: 4200098 (1980-04-01), Ayer et al.
patent: 4285987 (1981-08-01), Ayer et al.
patent: 4578675 (1986-03-01), Urquhart et al.

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