Multiparticulate controlled porosity osmotic pump

Details Multiparticulate controlled porosity osmotic pump Multiparticulate controlled porosity osmotic pump

1987-09-24

1989-12-12

Swisher, Nancy A. B.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424426, 424457, 424468, 424472, A61K 3155

Patent

active

048866687

ABSTRACT:
The instant invention is directed to a multiparticulate osmotic pump, for the controlled release of diltiazem L-malate to an environment of use, said pump comprising:

REFERENCES:
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patent: 4200098 (1980-04-01), Ayer et al.
patent: 4244941 (1981-01-01), Lerk
patent: 4256108 (1981-03-01), Theeuwes
patent: 4285987 (1981-08-01), Ayer et al.
patent: 4326525 (1982-04-01), Swanson et al.
patent: 4578075 (1986-03-01), Urquhart et al.
patent: 4696924 (1987-09-01), Marcoux
patent: 4747845 (1988-05-01), Korol
Jm Pharm. Sci. 72, 772-775.

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