Patent · US Expired

Method of treatment using 1-oxo-1H-2-benzopyran-3-carboxylic acid derivatives

US3987185A · kind A · utility

3Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1974
Grant dateOct 19, 1976
Priority date
Expiry dateDec 20, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D307/89
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The method comprises administering to an animal an amount of substituted-1-oxo-1H-2-benzopyran-3-carboxylic acid effective to inhibit antigen-antibody reaction in said animal. Representative of the compounds that can be used in the method is sodium 1-oxo-1H-2-benzopyran-3-carboxylate.

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