Patent · US Expired

Hydantoin derivatives for the treatment of obstructive airway diseases

US7648992B2 · kind B2 · utility

3Cited by

35References

2Claims

0Family size

Assignee

ASTRAZENECA AB · SE

Inventors

Balint Gabos · Lund, SE
Lena Elisabeth Ripa · Lund, SE
Kristina Stenvall · Lund, SE

Key dates

Filing date	Jul 4, 2005
Grant date	Jan 19, 2010
Priority date	—
Expiry date	Dec 10, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention provides compounds of formula (I), wherein R1 and R2 are as defined in the specification; processes for their preparation; pharmaceutical compositions containing them; a process for preparing the pharmaceutical compositions; and their use in therapy.

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