Process for the manufacture of highly crystalline sodium cefoperazone
US4456753A · kind A · utility
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4Claims
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Key dates
| Filing date | Feb 7, 1983 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Feb 7, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of highly crystalline sodium cefoperazone comprising the controlled addition of acetone to a water/acetone/sodium cefoperazone solution and subsequent separating and drying the resulting crystalline sodium cefoperazone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.