Oil and liquid silicone foamable carriers and formulations
US9549898B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2014 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Oct 2, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P41/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A waterless foamable pharmaceutical composition suitable for external administration is disclosed. The composition includes a foamable carrier least one liquefied or compressed gas propellant. The foamable carrier includes at least one liquid oil; at least one silicone and at least one least one stabilizing agent; wherein the stabilizing agent selected from the group consisting of about 0.01% to about 25% by weight of at least one surface-active agent alone or on combination with a foam adjuvant; and about 0% to about 5% by weight of at least one polymeric agent alone or on combination with a foam adjuvant; and mixtures thereof. Pharmaceutical compositions comprising active agents, methods for their preparation, propellants suitable for use with the carriers and uses thereof are further described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.