CN Patent

CN103755651A — 2-(5-溴-4-(4-环丙基萘-1-基)-4h-1，2，4-三唑-3-基硫基)乙酸的盐的新晶型及其制备方法

Assigned to SUZHOU PENGXU PHARMATECH Co Ltd · Expires 2014-04-30 · 12y expired

What this patent protects

本发明涉及2-(5-溴-4-(4-环丙基萘-1-基)-4H-1，2，4-三唑-3-基硫基)乙酸（Lesinurad）的盐的新晶型及其制备方法。所述盐的新晶型包括：钙盐晶型A、钾盐晶型A、盐酸盐晶型A、盐酸盐晶型B、乙磺酸盐晶型A、甲磺酸盐晶型Ａ、甲磺酸盐晶型B、乙二磺酸盐晶型A、乙二磺酸盐晶型B、羟基乙磺酸盐晶型A、精氨酸盐晶型A。

USPTO Abstract

本发明涉及2-(5-溴-4-(4-环丙基萘-1-基)-4H-1，2，4-三唑-3-基硫基)乙酸（Lesinurad）的盐的新晶型及其制备方法。所述盐的新晶型包括：钙盐晶型A、钾盐晶型A、盐酸盐晶型A、盐酸盐晶型B、乙磺酸盐晶型A、甲磺酸盐晶型Ａ、甲磺酸盐晶型B、乙二磺酸盐晶型A、乙二磺酸盐晶型B、羟基乙磺酸盐晶型A、精氨酸盐晶型A。

Drugs covered by this patent

Aloprim (ALLOPURINOL) · Casper Pharma Llc

Patent Metadata

Patent number: CN103755651A
Jurisdiction: CN
Classification: —
Expires: 2014-04-30
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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