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公开(公告)号：SK279964B6
公开(公告)日：1999-06-11
申请号：SK76994
申请日：1992-12-18
Applicant: RORK GERALD S. , PIPKIN JAMES D.
Inventor： RORK GERALD S , PIPKIN JAMES D
Abstract: A device for the controlled delivery of a beneficial agent as a gelatinous dispersion consisting of (i) a core which contains a beneficial agent, a polymer which forms gelatinous microscopic particles upon hydration and if desired an agent to modulate the hydration of the polymer; and (ii) an impermeable, insoluble coating which adheres to and surrounds the core and contains apertures which provide an area for the hydration and release of a dispersion comprising gelatinous microscopic particles.
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