CN Patent

CN104961671B — N‑(4‑氟苄基)‑n‑(1‑甲基哌啶‑4‑基)‑n’‑(4‑(2‑甲基丙氧基)‑苯基甲基)脲半酒石酸盐的晶型及其制备方法

Assigned to Suzhou Pengxu Pharmatech Co ltd · Expires 2018-01-02 · 8y expired

What this patent protects

本发明提供一种命名为晶型Ⅰ的N‑(4‑氟苄基)‑n‑(1‑甲基哌啶‑4‑基)‑n’‑(4‑(2‑甲基丙氧基)苯基甲基)脲半酒石酸盐的晶型及其制备方法。所述晶型Ⅰ,其特征在于X射线粉末衍射图在2theta值为14.0°±0.2°、17.0°±0.2°、18.6°±0.2°、6.1°±0.2°、4.8°±0.2°、20.9°±0.2°处具有特征峰。晶型Ⅰ具有优良的特性:溶解度高,稳定性好,较低的引湿性,在工业生产上具有优越性,适合制剂工艺过程和长期储存。

USPTO Abstract

本发明提供一种命名为晶型Ⅰ的N‑(4‑氟苄基)‑n‑(1‑甲基哌啶‑4‑基)‑n’‑(4‑(2‑甲基丙氧基)苯基甲基)脲半酒石酸盐的晶型及其制备方法。所述晶型Ⅰ,其特征在于X射线粉末衍射图在2theta值为14.0°±0.2°、17.0°±0.2°、18.6°±0.2°、6.1°±0.2°、4.8°±0.2°、20.9°±0.2°处具有特征峰。晶型Ⅰ具有优良的特性:溶解度高,稳定性好,较低的引湿性,在工业生产上具有优越性,适合制剂工艺过程和长期储存。

Drugs covered by this patent

Patent Metadata

Patent number
CN104961671B
Jurisdiction
CN
Classification
Expires
2018-01-02
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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