Water-soluble polyaminoamides as sunscreen agents
US8609784B2 · kind B2 · utility
1Cited by
21References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2009 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Feb 2, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A UV-protective water-soluble polyaminoamide comprising UV-absorbing end groups, wherein the polyaminoamide absorbs ultraviolet light radiation having a wavelength of about 200 nm to about 420 nm, compositions comprising the UV-protective polyaminoamide and methods of treating substrates with the UV-protective polyaminoamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.