Physiologically acceptable foamable formulation and foam
US6187290A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 1997 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | May 7, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L15/60
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is described a foamable formulation comprising a foamable carrier and an active ingredient which may be admixed with the carrier or packaged separately and dispersed into the carrier during the foaming process. Alginate gel is a preferred foamable carrier. The foam produced from such a formulation, and a foam sheet produced by drying the foam, also form part of the invention. The formulation, foam and foam sheet are especially useful for medical applications, for example in treating burns. As apparatus to store the components of the formulation and to generate the foam is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.