Patent · US Expired

N-(5-Tetrazolyl)-4-oxo-4H-pyrimido(2,1-b)benzothiazole-3-carboxamide antiallergy agents

US4041163A · kind A · utility

12Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1976
Grant dateAug 9, 1977
Priority date—
Expiry dateMar 29, 1996

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P37/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

N-(5-Tetrazolyl)-4-oxo-4H-pyrimido[2,1-b]benzothiazoles and their use as antiallergy agents.

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