Enhanced efficiency of sunscreen compositions
US10039700B2 · kind B2 · utility
3Cited by
28References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 24, 2014 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Feb 1, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Certain aspects of the invention relate to compositions comprising UV blocking agents, a film forming polymer containing acid groups and a neutralizing agent. Such compositions have an increased SPF due to neutralization of at least a portion of the acid groups of the film forming agent by the neutralizing agent. The invention also discloses methods for increasing SPF of a composition as well as methods for using the novel composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.