Time-controlled explosion systems and processes for preparing th

Details Time-controlled explosion systems and processes for preparing th Time-controlled explosion systems and processes for preparing th

1986-07-10

1989-10-03

Lusignan, Michael

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424466, 424495, 424497, A61K 916, A61K 946

Patent

active

048715492

ABSTRACT:
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.

REFERENCES:
patent: 4369172 (1983-01-01), Schor et al.
patent: 4663150 (1987-05-01), Panoz et al.
patent: 4695467 (1987-09-01), Vemura et al.

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