Polyesters based on hydroxy fatty acids and lower hydroxy alkyl acids and uses thereof
US6540987B2 · kind B2 · utility
2Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2001 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Mar 15, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides biodegradable polyesters based on lower hydroxy acids and hydroxy fatty acids. The resulting polyesters are useful as cosmetic vehicles for sunscreens, skin lotions and by themselves are also useful as milder skin exfoliants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.