Patent · US Expired

(4-piperidinylmethyl and -hetero) purines

US5041448A · kind A · utility

89Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 1989
Grant dateAug 20, 1991
Priority date—
Expiry dateMar 9, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/40
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

(4-Piperidinylmethyl and -hetero)purines having antihistaminic properties and being useful agents in the treatment of allergic diseases.

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