Patent · US Expired

Pyrazolopyrimidinone derivatives for the treatment of impotence

US6583147B1 · kind B1 · utility

3Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 2001
Grant dateJun 24, 2003
Priority date
Expiry dateMay 9, 2021

Classification

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

Abstract

The present invention relates to pyrazolopyrimidinone derivatives of formula 1, their preparation method and pharmaceutical compositions containing the said derivatives. The compounds have efficacy on the treatment of impotence, one of male sexual dysfunctions with the side effects reduced.

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