Patent · US Expired

(-) 4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl!-hydra-zono! propanedinitrile

US5512571A · kind A · utility

4Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1995
Grant dateApr 30, 1996
Priority date—
Expiry dateMay 31, 2015

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P9/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Diastereomeric intermediate salts of formulae (IIIa) or (IIIb) ##STR1## are prepared.

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