Controlled release compositions

Details Controlled release compositions Controlled release compositions

1995-05-18

1997-11-04

Cooney, John

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424432, 424486, 424489, A61K 928

Patent

active

056837194

ABSTRACT:
A controlled release composition comprising an extruded core of active material and excipients, said core being coated in a water insoluble coating. Preferably the core comprises a pharmaceutically acceptable active ingredient together with microcrystalline cellulose, a clay such as kaolin and a binder such as poly(vinyl-pyrrolidine).

REFERENCES:
patent: 4673565 (1987-06-01), Di Luccio et al.
patent: 4720384 (1988-01-01), Di Luccio et al.
patent: 4888074 (1989-12-01), Pocknell

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