Depigmenting agents
US7390838B2 · kind B2 · utility
0Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 2004 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Feb 13, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to crystalline forms of anhydrous 4-cyclopentyl resorcinol, the Form A and C polymorphs, formulations containing at least one of these crystalline forms and their use to lighten skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.