Topical pharmaceutical formulation
US11376213B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2017 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Nov 20, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2300/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is described a topical composition for application of an NSAID comprising ibuprofen, the composition comprising a solution or suspension of the NSAID as active ingredient in a residual carrier system comprising a polyhydric alcohol, a glycol ether, an ester of a higher fatty acid and optionally water, the ingredients of the residual carrier system having the following concentrations in percentages by weight: polyhydric alcohol 50-90 glycol ether 7.5-40 ester 0.5-5 water optional in which either the composition or the residual phase is in a single phase under ambient conditions and the maximum water concentration is that above which the composition or the residual phase exhibits signs of inhomogeneity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.