Dicarboxylic acid foamable vehicle and pharmaceutical compositions thereof
US10821077B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2018 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Feb 23, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention teaches a foamable pharmaceutical carrier comprising a benefit agent, selected from the group consisting of a dicarboxylic acid and a dicarboxylic acid ester; a stabilizer selected from the group consisting of at least one surface-active agent; at least one polymeric agent and mixtures thereof; a solvent selected from the group consisting of water, a hydrophilic solvent, a hydrophobic solvent, a potent solvent, a polar solvent, a silicone, an emollient, and mixtures thereof, wherein the benefit agent, stabilizer and solvent are selected to provide a composition that is substantially resistant to aging and to phase separation and or can substantially stabilize other active ingredients. The invention further relates to a foamable composition further containing a liquefied hydrocarbon gas propellant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.