Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone
US8058439B2 · kind B2 · utility
13Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2011 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Jan 20, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to processes for preparing oxycodone base and oxycodone hydrochloride compositions having less than 10 ppm of 14-hydroxycodeinone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.