Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules
Patent
1994-07-05
1995-12-12
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Capsules
424424, 424473, A61K 964
Patent
active
054747848
ABSTRACT:
A controlled release device useful especially as an oral dosage form for man comprises a water impermeable capsule having at least one orifice which orifice is closed by a water swellable or water dispersable plug. Preferably the capsule is a cylinder formed e.g. of polyethylene closed at one end. The open end is closed by a tablet formed e.g. by direct compression of a pharmaceutical excipient such as lactose.
REFERENCES:
patent: 4898733 (1990-02-01), DePizince
patent: 5082668 (1992-01-01), Wong
Bakhshaee Massoud
Rashid Abdul
Stevens Howard N. E.
Benston, Jr. William E.
British Technology Group Limited
Page Thurman K.
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