Patent · US Expired

Bioprecursors for percutaneous application

US7084172B2 · kind B2 · utility

0Cited by
3References
10Claims
0Family size

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Inventors

Key dates

Filing dateSep 16, 2002
Grant dateAug 1, 2006
Priority date
Expiry dateOct 25, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/72
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention concerns a bioprecursor of formula (I), wherein A1 and A2 represent independently of each other a radical derived from a molecule capable of being used in dermatology or in cosmetology; X and Y represent independently of each other a hydrogen atom, a hydroxy group or a C1–C20 alkyl group; and n represents an integer between 0 and 10

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.