6-aryl pyrazolo3,4-D! pyrimidin-4-ones and compositions and method of use thereof
US5736548A · kind A · utility
20Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1997 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Jan 22, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
6-Aryl pyrazolo3,4-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.