Patent · US Expired

6-substituted pyrazolo (3,4-d)pyrimidin-4-ones and compositions and methods of use thereof

US5656629A · kind A · utility

36Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1995
Grant dateAug 12, 1997
Priority date—
Expiry dateMar 10, 2015

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P9/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

6-Substituted pyrazolo[3,4 -d]pyrimidin-4-one derivatives, pharmaceutical compositions containing them and methods for effecting c-GMP-phosphodiesterase inhibition and for treating heart failure and/or hypertension.

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