Emulsions with a high internal oil phase
US11833234B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2019 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Oct 8, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/95
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition in the form of an O/W emulsion, comprising: (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; (c) at least one oil; and (d) water, wherein the amount of the (c) oil(s) in the composition is 50% by weight or more, preferably 60% by weight or more, and more preferably 70% by weight or more, relative to the total weight of the composition. The composition in the form of an O/W emulsion according to the present invention is stable. Also, a composition in the form of an O/W/O emulsion can be prepared by the composition in the form of an O/W emulsion according to the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.