Method of manufacturing drug granules, the drug granules and...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form

Reexamination Certificate

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Details

C424S489000, C424S497000, C424S464000, C424S468000, C424S469000, C424S470000

Reexamination Certificate

active

10091559

ABSTRACT:
The present invention provides coated granules using drug granules containing a water soluble drug as an active ingredient at a high density, which is superior in uniform content and stability, and which is capable of providing a pharmaceutical preparation superior in drug release control and having a smaller size than conventional preparations, and a production method of the granules, and further, a pharmaceutical preparation using the drug granules.

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patent: 9-295947 (1997-11-01), None
patent: 10-139659 (1998-05-01), None
patent: 11-92403 (1999-04-01), None
patent: WO99/04760 (1999-02-01), None

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