Quarternary ammonium compounds
US6939889B2 · kind B2 · utility
0Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Dec 23, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C237/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel compounds and pharmaceutical compositions containing such compounds and possessing anti-tussive activity, and a method of administering the same to warm-blooded animals, including humans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.