UV-photoprotecting sunscreen compositions comprising immixture of polyethylene/carboxylated polyethylene polymers
US6372200B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2001 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Jan 30, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applying cosmetic/dermatological compositions well suited for both effective and SPF-enhanced UV-photoprotection of human skin and/or hair contain (a) an effective UV-photoprotecting amount of at least one UV-A and/or UV-B sunscreen and (b) an amount of immixture of ethylene polymers effective to enhance the SPF value of said at least one UV-A and/or UV-B sunscreen (a), said immixture of ethylene polymers (b) comprising (i) at least one carboxylated polyethylene and (ii) at least one polyethylene, formulated into a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor, advantageously formulated as an oil-in-water emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.