Patent · US Expired

Treating immediate hypersensitivity conditions with 3,5-disubstituted hydantoin derivatives

US4230716A · kind A · utility

3Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1979
Grant dateOct 28, 1980
Priority date
Expiry dateMay 14, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D233/78
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Hydantoin compounds are described of the formula (I) : ##STR1## wherein R.sup.1 is phenyl, C.sub.1-4 hydroxyalkyl or carboxy C.sub.1-4 alkyl and wherein R.sub.2 is C.sub.1-6 alkyl. The compounds are useful in the prophylactic treatment of immediate hypersensitivity diseases including asthma.

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