Patent · US Expired

Phosphodiesterase 4 inhibitors

US7335654B2 · kind B2 · utility

0Cited by
17References
62Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 2003
Grant dateFeb 26, 2008
Priority date—
Expiry dateSep 22, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/40
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

PDE4 inhibition is achieved by novel compounds of the Formula I:wherein R1 and R2 are as defined herein.

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