CN Patent
CN1195550C — 外用剂
Assigned to Taisho Pharmaceutical Co Ltd · Expires 2005-04-06 · 21y expired
What this patent protects
本发明是一种配合有碱性药物、聚乙烯吡咯烷酮以及羧乙烯聚合物、且pH为4~9的范围的外用剂。通过本发明,有可能提供一种即使在皮肤的损伤部位也能够达到药物的长效化的新型的外用剂。
USPTO Abstract
本发明是一种配合有碱性药物、聚乙烯吡咯烷酮以及羧乙烯聚合物、且pH为4~9的范围的外用剂。通过本发明,有可能提供一种即使在皮肤的损伤部位也能够达到药物的长效化的新型的外用剂。
Drugs covered by this patent
- Azelex (AZELAIC ACID) · Leo Pharma As
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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