Patent · US Expired

Anticholinergics, processes for preparing them, and pharmaceutical compositions containing them

US6852728B2 · kind B2 · utility

2Cited by

15References

17Claims

0Family size

Assignee

BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG · DE

Inventors

Helmut Meissner · Ingelheim am Rhein, DE
Gerd Morschhaeuser · Biberach, DE
Michael Pieper · Ingelheim am Rhein, DE
Gerald Pohl · Gau-Algesheim, DE
Richard Reichl · Ingelheim am Rhein, DE
Georg Speck · Ingelheim am Rhein, DE

Key dates

Filing date	Sep 28, 2001
Grant date	Feb 8, 2005
Priority date	—
Expiry date	Sep 28, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D451/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A compound of formula 1 wherein:

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