FORME DE DOSAGE POUR UN MEILLEUR APPORT DE SUBSTANCES A UN MILIEU

A dosage form (21) for the delivery of beneficial drug comprises a semipermeable wall (22) surrounding a compartment housing a first layer (26) comprising a drug formulation, a middle layer (27) comprising a hydrophobic composition, and a third expandable layer (28) comprising a hydrophilic composit...

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Bibliographic Details
Main Author SALLY I. STEPHENS ET PATRICK S.-L. WONG
Format Patent
LanguageFrench
Published 21.12.1990
Edition4
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:A dosage form (21) for the delivery of beneficial drug comprises a semipermeable wall (22) surrounding a compartment housing a first layer (26) comprising a drug formulation, a middle layer (27) comprising a hydrophobic composition, and a third expandable layer (28) comprising a hydrophilic composition whereby the dry formulation and the third layer are prevented from substantial interaction.
Bibliography:Application Number: FR19870005901