CN Patent

CN104902875A — 四环素局部制剂、其制备及用途

Assigned to HOVIONE INTERNAT Ltd · Expires 2015-09-09 · 11y expired

What this patent protects

本发明涉及一种局部悬浮液制剂，其包含四环素、液体介质和聚合物胶凝剂。所述四环素可以为其药用可接受的盐、水合物或多晶型物的形式，并在该制剂中处于悬浮形式。所述液体介质被选择为其不溶解或基本上极少溶解该四环素。所述胶凝剂为聚合物烃胶凝剂。优选的是，该四环素具有小于或等于约20微米的粒径。

USPTO Abstract

本发明涉及一种局部悬浮液制剂，其包含四环素、液体介质和聚合物胶凝剂。所述四环素可以为其药用可接受的盐、水合物或多晶型物的形式，并在该制剂中处于悬浮形式。所述液体介质被选择为其不溶解或基本上极少溶解该四环素。所述胶凝剂为聚合物烃胶凝剂。优选的是，该四环素具有小于或等于约20微米的粒径。

Drugs covered by this patent

Patent Metadata

Patent number
CN104902875A
Jurisdiction
CN
Classification
—
Expires
2015-09-09
Drug substance claim
No
Drug product claim
No
Assignee
HOVIONE INTERNAT Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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