Time-controlled explosion systems and processes for preparing the same

The invention relates to a Time-Controlled Explosion System in which drug release is caused by explosion of a membrane after a definite time period, said System comprising a preparation in the form of a bead or granule, said preparation comprising a core, a drug, swelling agent and an outer membrane...

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Bibliographic Details
Main Authors UEDA; SATOSHI, UEDA; YOSHIO, HATA; TAKEHISA, KODANI; MASATERU, YAMAGUCHI; HISAMI
Format Patent
LanguageEnglish
Published 03.10.1989
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:The invention relates to a Time-Controlled Explosion System in which drug release is caused by explosion of a membrane after a definite time period, said System comprising a preparation in the form of a bead or granule, said preparation comprising a core, a drug, swelling agent and an outer membrane of water-insoluble coating material.
Bibliography:Application Number: US19860884071