Process for preparing oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone
US11236098B2 · kind B2 · utility
2Cited by
64References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2021 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Mar 15, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.