Ternary and quaternary eutectic mixtures of local anesthetics substances
US7763653B2 · kind B2 · utility
2Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2004 |
| Grant date | Jul 27, 2010 |
| Priority date | — |
| Expiry date | Nov 24, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P23/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention describes ternary and quaternary eutectic mixtures composed by active local anesthetic substances. These eutectic mixtures possess melting point inferior to 20° C. and consist of homogeneous liquid useful in the preparation o pharmaceutical compositions for topical anesthesia or analgesia of tissues as skin or mucous.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.