CN Patent

CN1853648A — 用于减轻口腔溃疡所造成疼痛的口内胶组合物

Assigned to KAIDESHENG SCIENCE AND TECHNOLOGY Co Ltd · Expires 2006-11-01 · 20y expired

What this patent protects

一种用于减轻口腔溃疡所造成疼痛的口内胶组合物，包含水及溶于水中的下列有效成分：聚乙烯吡咯烷酮，其具有介于30～100的K值；及质子化脱乙酰壳多醣；其中质子化脱乙酰壳多醣对聚乙烯吡咯烷酮的重量比介于0.1∶100至10∶100。此口内胶组合物具有50～1500厘泊的黏度。

USPTO Abstract

一种用于减轻口腔溃疡所造成疼痛的口内胶组合物，包含水及溶于水中的下列有效成分：聚乙烯吡咯烷酮，其具有介于30～100的K值；及质子化脱乙酰壳多醣；其中质子化脱乙酰壳多醣对聚乙烯吡咯烷酮的重量比介于0.1∶100至10∶100。此口内胶组合物具有50～1500厘泊的黏度。

Drugs covered by this patent

Patent Metadata

Patent number
CN1853648A
Jurisdiction
CN
Classification
—
Expires
2006-11-01
Drug substance claim
No
Drug product claim
No
Assignee
KAIDESHENG SCIENCE AND TECHNOLOGY Co 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.

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.