Pyrazolo[4,3-d]pyrimidines as Phosphodiesterase Inhibitors
US7572799B2 · kind B2 · utility
3Cited by
14References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2004 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Sep 24, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to compounds of formula (I)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.