Patent · US Expired

Substituted spiro pyridine derivatives as anti-allergy and antiinflammatory agents

US4652564A · kind A · utility

6Cited by
1References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 14, 1983
Grant dateMar 24, 1987
Priority date
Expiry dateDec 14, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Substituted spiro pyridine derivatives are anti-allergic and anti-inflammatory agents. They are also useful for the treatment of peptic ulcers. Methods for their preparation and use are disclosed.

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