Controlled porosity osmotic pump

Details Controlled porosity osmotic pump Controlled porosity osmotic pump

1987-09-24

1989-11-14

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

048806315

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

REFERENCES:
patent: 3538214 (1970-11-01), Polli et al.
patent: 3845770 (1974-11-01), Bardani
patent: 3916899 (1975-11-01), Theeuwes et al.
patent: 3957523 (1976-05-01), Ohno et al.
patent: 4160452 (1979-07-01), Theeuwes
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: 4696924 (1987-09-01), Marcoux
patent: 4747845 (1988-05-01), Korol
J. Pharm. Sci, 72, 772-775.

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