TIME CONTROLLED EXPLOSION SYSTEMS AND PROCESSES FOR PREPARING THE SAME

A time-controlled explosion system comprises a drug, a swelling agent and a water-insoluble coating material; and the drug release is caused by the explosion of membrane after a definite time period, and without diffusion or dissolution characteristic of prior proposals; by means of the invention dr...

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Bibliographic Details
Main Authors HATA, TAKEHISA, UEDA, SATOSHI, YAMAGUCHI, HISAMI, UEDA, YOSHIO, KODANI, MASATERU
Format Patent
LanguageEnglish
French
Published 09.04.1991
Edition5
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:A time-controlled explosion system comprises a drug, a swelling agent and a water-insoluble coating material; and the drug release is caused by the explosion of membrane after a definite time period, and without diffusion or dissolution characteristic of prior proposals; by means of the invention drug can be released quickly or with a zero order pattern after a definite lag.
Bibliography:Application Number: CA19860514129