CN Patent

CN1372463A — 外用贴剂

Assigned to Hisamitsu Pharmaceutical Co Inc · Expires 2002-10-02 · 24y expired

What this patent protects

公开了以碱性药物、有机酸和有机酸盐为必须成分的外用贴剂。碱性药物优选为碱性药物的酸加成盐。有机酸优选为碳数2-7的羧酸,特别优选为选自乙酸、乳酸、酒石酸、柠檬酸、苹果酸、苯甲酸、水杨酸中的至少一种。有机酸盐优选为羧酸的金属盐,特别优选乙酸钠。

USPTO Abstract

公开了以碱性药物、有机酸和有机酸盐为必须成分的外用贴剂。碱性药物优选为碱性药物的酸加成盐。有机酸优选为碳数2-7的羧酸,特别优选为选自乙酸、乳酸、酒石酸、柠檬酸、苹果酸、苯甲酸、水杨酸中的至少一种。有机酸盐优选为羧酸的金属盐,特别优选乙酸钠。

Drugs covered by this patent

Patent Metadata

Patent number
CN1372463A
Jurisdiction
CN
Classification
Expires
2002-10-02
Drug substance claim
No
Drug product claim
No
Assignee
Hisamitsu Pharmaceutical Co Inc
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.