CN Patent

CN110215740B — 一种两性离子亲水前处理硅胶材料的制备方法

Assigned to Dalian Medical University · Expires 2021-05-04 · 5y expired

What this patent protects

本发明属于分析化学领域，更具体地涉及一种两性离子亲水前处理硅胶材料的制备方法。具体步骤如下：(1)将功能单体4‑氰基苯甲酸与叠氮基修饰的硅胶溶于溶剂中，磁力搅拌混合均匀；(2)加入适量催化剂并在80℃温度下，恒温反应10‑70小时。反应结束以后，将产物采用砂芯漏斗抽滤，依次用10％EDTA二钠、水、甲醇进行冲洗。洗涤后产物干燥，即得本发明的两性离子亲水前处理硅胶材料。

USPTO Abstract

本发明属于分析化学领域，更具体地涉及一种两性离子亲水前处理硅胶材料的制备方法。具体步骤如下：(1)将功能单体4‑氰基苯甲酸与叠氮基修饰的硅胶溶于溶剂中，磁力搅拌混合均匀；(2)加入适量催化剂并在80℃温度下，恒温反应10‑70小时。反应结束以后，将产物采用砂芯漏斗抽滤，依次用10％EDTA二钠、水、甲醇进行冲洗。洗涤后产物干燥，即得本发明的两性离子亲水前处理硅胶材料。

Drugs covered by this patent

Patent Metadata

Patent number
CN110215740B
Jurisdiction
CN
Classification
—
Expires
2021-05-04
Drug substance claim
No
Drug product claim
No
Assignee
Dalian Medical University
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.