CN Patent

CN110177792B — 制备替莫唑胺和中间体的方法

Assigned to Cristalia Produtos Quimicos e Farmaceuticos Ltda · Expires 2022-03-04 · 4y expired

What this patent protects

本发明涉及一种通过使用N‑甲基氨基甲酰基咪唑制备高产率和高纯度替莫唑胺和氨基甲酰基‑AICA中间体的有效和工业有利的方法。

USPTO Abstract

本发明涉及一种通过使用N‑甲基氨基甲酰基咪唑制备高产率和高纯度替莫唑胺和氨基甲酰基‑AICA中间体的有效和工业有利的方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN110177792B
Jurisdiction
CN
Classification
—
Expires
2022-03-04
Drug substance claim
No
Drug product claim
No
Assignee
Cristalia Produtos Quimicos e Farmaceuticos Ltda
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.