Lyophilized powder of latamoxef sodium for injection and lyophilization method thereof
US12350376B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2021 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Nov 17, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A lyophilized powder of latamoxef sodium for injection and a lyophilization method thereof are provided. The lyophilized powder of latamoxef sodium for injection includes the following raw materials by weight: 20˜40 parts of latamoxef sodium, 8˜15 parts of lyophilized adjuvant, 6˜18 parts of excipient and 30˜55 parts of water; by optimizing a raw material process thereof, the present disclosure prepares lyophilized adjuvant and performs twice drying, so that the raw material has stable quality, less impurities, high purity, less adverse reactions and high efficacy; at the same time, the preparation process is innovated and improved to reduce a preparation temperature and ensure stable quality of a drug solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.