(+)-morphinanium quaternary salts and processes for their production
US8436174B2 · kind B2 · utility
3Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2010 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Mar 21, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides (+)-morphinanium quaternary salts. The invention also provides processes for producing (+)-morphinanium quaternary salts from tertiary N-substituted (+)-morphinan compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.