CN103142554B — 骨化三醇控释胶囊及其制备方法
Assigned to Qingdao Guoxin Pharmaceutical Co ltd · Expires 2014-11-12 · 12y expired
What this patent protects
本发明涉及一种骨化三醇控释胶囊及其制备方法。该控释胶囊由核芯和控释包衣层组成,其中控释包衣层包含重量百分比为10-20%的控释材料,核芯由下列重量百分比的组分制成:骨化三醇0.002%、葡甲胺2.0-4.0%、聚乙二醇4001.2-1.8%、聚乙二醇600015-25%、填充剂50.0-70.0%、崩解剂5.0-10.0%和粘合剂适量。该控释胶囊中骨化三醇的含量显著增加,降低了药物的服用量,并且提高了骨化三醇对光、空气的稳定性,其生物利用度也得以显著提高。
USPTO Abstract
本发明涉及一种骨化三醇控释胶囊及其制备方法。该控释胶囊由核芯和控释包衣层组成,其中控释包衣层包含重量百分比为10-20%的控释材料,核芯由下列重量百分比的组分制成:骨化三醇0.002%、葡甲胺2.0-4.0%、聚乙二醇4001.2-1.8%、聚乙二醇600015-25%、填充剂50.0-70.0%、崩解剂5.0-10.0%和粘合剂适量。该控释胶囊中骨化三醇的含量显著增加,降低了药物的服用量,并且提高了骨化三醇对光、空气的稳定性,其生物利用度也得以显著提高。
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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