Polyphenolic bioprecursors
US9067908B2 · kind B2 · utility
4Cited by
2References
23Claims
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Key dates
| Filing date | Jun 16, 2006 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Apr 23, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cosmetic and therapeutic, in particular dermatological bioprecursors have the formula [A]n-PP-[B]m wherein PP is a polyphenol radical in which each hydroxyl function is protected by a group A or a group B, A is a saturated or unsaturated, substituted or unsubstituted alkyl radical having 1 to 20 carbon atoms which is bonded to the polyphenol, n is an integer not less than 1, and B is a precursor of a biologically active molecule, which is also bonded to the polyphenol, and m is an integer also not less than 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.