Method for providing long-lasting local anesthesia and compounds and compositions therefore
US4352820A · kind A · utility
12Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1980 |
| Grant date | Oct 5, 1982 |
| Priority date | — |
| Expiry date | Dec 11, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This disclosure describes a method for providing ultra-long local anesthetic effects. The method comprises administering an N,N,N-triethyl-N-alkyl ammonium salt wherein the alkyl group contains from 8 to 16 carbon atoms. The local anesthetic effect producing quaternary ammonium salts and pharmaceutical preparations containing such quaternary salts are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.