Process for preparation of high-purity meloxicam and meloxicam potassium salt
US8097616B2 · kind B2 · utility
0Cited by
3References
6Claims
0Family size
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Key dates
| Filing date | Dec 16, 2005 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Sep 16, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a process for the preparation of high purity meloxicam of the Formula (II). The meloxicam raw product is reacted with the solution of potassium hydroxide or potassium carbonate, whereby high purity meloxicam potassium sait monohydrate is produced. Said sait is subsequently treated with mineral or organic acid to yield high-purity meloxicam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.