Patent · US Expired

Fused pyridopyridazine inhibitors of cGMP phosphodiesterase

US6316438A · kind A · utility

25Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2000
Grant dateNov 13, 2001
Priority date—
Expiry dateMar 15, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compounds of the formula ##STR1## are useful as inhibitors of cGMP PDE especially Type 5.

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