Patent · US Expired

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

US5977118A · kind A · utility

27Cited by

3References

21Claims

0Family size

Assignee

Sanofi · FR

Inventors

Edward R. Bacon · East Greenbush, US
Sol J. Daum · Albany, US
Baldev Singh · East Greenbush, US

Key dates

Filing date	Mar 26, 1997
Grant date	Nov 2, 1999
Priority date	—
Expiry date	Mar 26, 2017

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.