Controlled release compositions with zero order release

Details Controlled release compositions with zero order release Controlled release compositions with zero order release

1985-11-18

1990-01-09

Lusignan, Michael

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424476, 424482, A61K 936

Patent

active

048927422

ABSTRACT:
Pharmaceutical compositions for controlled release of water soluble drugs are disclosed. The compositions comprise a tablet core containing the drug and a water insoluble polymeric matrix surrounded with a rate controlling membrane coating.

REFERENCES:
patent: 4140756 (1979-02-01), Gallian
patent: 4252786 (1981-02-01), Weiss et al.
patent: 4309406 (1982-01-01), Guley et al.
patent: 4459279 (1984-07-01), Stricker et al.
Chemical Abstracts 86:95946a, 1977.
Kallstrand, Goran et al., Membrane-Coated Tablets: A System for the Controlled Release of Drugs, Jun. 28, 1982.

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