Patent · US Expired

Novel substituted benzopyranopyridine

US3962266A · kind A · utility

4Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1975
Grant dateJun 8, 1976
Priority date—
Expiry dateMay 1, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D491/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed is a novel substituted benzopyranopyridine which is active as a bronchodilator agent.

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