Antipruritic agent
US6174891A · kind A · utility
38Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1998 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Aug 24, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides an antipruritic comprising an opiate .kappa. receptor agonist as an effective component, a new morphinan quaternary ammonium salt derivative and a new morphinan-N-oxide derivative which are useful in treating pruritus complicated with some diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.