Patent · US Expired

Tetrazolo[a]quinazol-5-ones antiallergy and antiulcer agents

US4141979A · kind A · utility

3Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 22, 1977
Grant dateFeb 27, 1979
Priority date
Expiry dateDec 22, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D491/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A series of tetrazolo[a]quinazol-5-ones, methods for their production and use as antiallergy agents and antiulcer agents.

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