Low pH retinoid topical compositions
US8529920B2 · kind B2 · utility
5Cited by
22References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2009 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Oct 2, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/56
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A low pH composition containing a retinol and a method for treating skin is disclosed. The composition contains (a) a retinoid and (b) an active acid, like an alpha-hydroxy acid or a beta-hydroxy acid, and has a pH of less than 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.