CN Patent

CN102875634B — 2-氰基-3,12-二氧代齐墩果-1,9(11)-二烯-28-酸甲酯的几种晶型

Assigned to Suzhou Pengxu Pharmatech Co ltd · Expires 2014-08-20 · 12y expired

What this patent protects

本发明涉及药物化学领域，具体涉及2-氰基-3，12-二氧代齐墩果-1，9(11)-二烯-28-酸甲酯的适应药物开发的几种晶型。其特征是它们是2-氰基-3，12-二氧代齐墩果-1，9(11)-二烯-28-酸甲酯的单甲醇合物、无水合物和管道二水合物。本发明的晶型比现有的晶型溶解度好，生物利用度高，稳定且低毒。

USPTO Abstract

本发明涉及药物化学领域，具体涉及2-氰基-3，12-二氧代齐墩果-1，9(11)-二烯-28-酸甲酯的适应药物开发的几种晶型。其特征是它们是2-氰基-3，12-二氧代齐墩果-1，9(11)-二烯-28-酸甲酯的单甲醇合物、无水合物和管道二水合物。本发明的晶型比现有的晶型溶解度好，生物利用度高，稳定且低毒。

Drugs covered by this patent

Patent Metadata

Patent number
CN102875634B
Jurisdiction
CN
Classification
—
Expires
2014-08-20
Drug substance claim
No
Drug product claim
No
Assignee
Suzhou Pengxu Pharmatech 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.

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