Patent · US Expired

4-Oxo-2-imidazolidinylidene ureas

US3983135A · kind A · utility

6Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 23, 1975
Grant dateSep 28, 1976
Priority date
Expiry dateJun 23, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D233/88
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the class of 4-oxo-2-imidazolidinylidene ureas and 4-oxo-2-hexahydropyrimidinylidene ureas, useful as anti-secretory agents and central nervous system (CNS) depressants.

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