Preparation of narcotic analgesics
US5847142A · kind A · utility
39Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1997 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Apr 3, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel process for preparing narcotic analgesics such as hydrocodone and hydromorphone using catalytic amounts of homogeneous organometallic complexes is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.