Polysaccharide-based gelled foam
US12414909B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 27, 2020 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Jan 3, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for the preparation of a gelled polysaccharide foam, which includes the following steps: (a) the preparation of a mixture including at least one solubilized polysaccharide chosen from alginates, pectic substances, carrageenans, and mixtures thereof, at least one solvent of the polysaccharide, at least one ionic crosslinking agent of the polysaccharide, the crosslinking agent being not available, optionally a plasticizer soluble into the solvent, optionally a surfactant, and optionally an additive, (b) foaming and gelling the mixture prepared at step (a) by incorporating a pH modifying gas, and (c) optionally drying the gelled foam obtained at step (b). Also, the gelled foam obtained from such a method as well as the uses thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.