Topical analgesic gel compositions
US11617727B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Feb 5, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are topical analgesic gel compositions having relatively high payloads of menthol and camphor by micro-emulsion technology and methods of preparing topical analgesic gel compositions having relatively high payloads of menthol and camphor. Topical analgesic gel compositions may include from 12 to 16 wt. % menthol; from 4 to 8 wt. % camphor; from 0.1 to 2 wt. % carbomer; and 60 to 70 wt. % solvent. Topical analgesic gel compositions can have a viscosity from 60,000 to 110,000 centipoise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.