Patent · US Expired

Pyrazolo-(1,5a)-pyrimidines, process for preparing the same and their use

US5902773A · kind A · utility

21Cited by
0References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 1997
Grant dateMay 11, 1999
Priority date
Expiry dateOct 28, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N43/90
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Pyrazolo pyrimidines of the formula I ##STR1## where the indices and the substituents have the meanings defined in the specification, processes for their preparation and their use are described.

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