Wax foamable vehicle and pharmaceutical compositions thereof
US9662298B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2014 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Jan 22, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1075
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Unique foamable vehicles or carriers comprising at least one wax, waxy substance, counterpart or derivative, a stabilizer, water, and a propellant are provided. In some embodiments, the wax is a liquid wax. In some embodiments, the wax includes a solid wax and a liquid wax. The compositions are substantially free of crystals. The components are selected to provide a composition that is substantially resistant to aging and to phase separation, and/or can substantially solubilize and or stabilize active ingredients. Pharmaceutical and cosmetic compositions with potentially enhanced skin delivery and their uses are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.