Self-healing or self-repairing film forming composition
US11826455B2 · kind B2 · utility
1Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2019 |
| Grant date | Nov 28, 2023 |
| Priority date | — |
| Expiry date | Aug 9, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5426
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition comprising (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; and (c) at least one physiologically acceptable volatile medium, wherein the composition optionally comprises surfactant(s) in an amount of 1% by weight or less, preferably 0.5% by weight or less, and more preferably 0.3% by weight or less, relative to the total weight of the composition. The composition according to the present invention can provide a self-healing or self-repairing film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.