| 摘要 |
A sustained release pharmaceutical compsn. of Ambroxol HCl in prepared by (a) sieving pref. inactive microgranules, with a 0.3-1.2 mm micropore sieve, (b) mixing with Ambroxol HCl as a active ingradient, (c) binding with coating materials and micronizing to 1-150 size, (d) coating with sustained film, and sieving to obtain sustained release pharmaceutical microgranule of Ambroxol HCl in 0.6-1.5 mm particle size.
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