Foamable vehicle and pharmaceutical compositions thereof
US7704518B2 · kind B2 · utility
151Cited by
277References
75Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2006 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Dec 21, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hygroscopic pharmaceutical composition includes at least one hygroscopic substance at a concentration sufficient to provide an Aw value of at least 0.9 and an antiinfective agent. A foamble pharmaceutical carrier includes about 50% to about 98% of a polar solvent selected from the group consisting of a polyol and PEG; 0% to about 48% of a secondary polar solvent; about 0.2% to about 5% by weight of a surface-active agent; about 0.01% to about 5% by weight of at least one polymeric agent; and a liquefied or compressed gas propellant at a concentration of about 3% to about 25% by weight of the total composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.