CN Patent

CN118458789A — 一种环硅酸锆钠相关晶型zs-7的制备方法

Assigned to Shanghai Scienpharm Biotechnology Co ltd · Expires 2024-08-09 · 2y expired

What this patent protects

本发明公开了一种环硅酸锆钠相关晶型ZS‑7的制备方法；包括如下步骤：将氢氧化钠溶液与硅酸钠固体进行混合；将醋酸锆溶液加入上述所得的分散混合溶液中，开始升温至210℃进行快速搅拌反应；反应完毕过滤，多次纯化水洗涤，减压干燥，得环硅酸锆钠ZS‑7。本发明制备得到的环硅酸锆钠晶型ZS‑7纯度高，可以用于环硅酸锆钠晶型ZS‑7的对照品。

USPTO Abstract

本发明公开了一种环硅酸锆钠相关晶型ZS‑7的制备方法；包括如下步骤：将氢氧化钠溶液与硅酸钠固体进行混合；将醋酸锆溶液加入上述所得的分散混合溶液中，开始升温至210℃进行快速搅拌反应；反应完毕过滤，多次纯化水洗涤，减压干燥，得环硅酸锆钠ZS‑7。本发明制备得到的环硅酸锆钠晶型ZS‑7纯度高，可以用于环硅酸锆钠晶型ZS‑7的对照品。

Drugs covered by this patent

sodium-zirconium-cyclosilicate (SODIUM ZIRCONIUM CYCLOSILICATE)

Patent Metadata

Patent number: CN118458789A
Jurisdiction: CN
Classification: —
Expires: 2024-08-09
Drug substance claim: No
Drug product claim: No
Assignee: Shanghai Scienpharm Biotechnology 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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