System for the controlled-rate release of active substances

Details System for the controlled-rate release of active substances System for the controlled-rate release of active substances

1986-12-09

1989-06-13

Lusignan, Michael

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424470, 424497, 427 3, A61K 932

Patent

active

048391778

ABSTRACT:
A system for the controlled-rate release of active substances, consisting of:

REFERENCES:
patent: 3634584 (1972-01-01), Poole
patent: 4122157 (1978-10-01), Huber
patent: 4140755 (1979-02-01), Sheth et al.
patent: 4389393 (1983-06-01), Schor et al.
patent: 4432966 (1984-02-01), Zeitoun et al.
patent: 4483846 (1984-11-01), Koida et al.

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