Patent · US Expired

Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them

US5880284A · kind A · utility

7Cited by

4References

7Claims

0Family size

Assignee

Dr. Karl Thomae GmbH · DE

Inventors

Frank Himmelsbach · Mittelbiberach, DE
Volkhard Austel · Biberach, DE
Gunter Linz · Mittelbiberach, DE
Helmut Pieper · Lohr am Main, DE
Brian Guth · Warthausen, DE
Thomas Müller · Biberach, DE
Johannes Weisenberger · Biberach, DE

Key dates

Filing date	May 28, 1997
Grant date	Mar 9, 1999
Priority date	—
Expiry date	May 28, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D453/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to cyclic urea derivatives of general formula I ##STR1## wherein R.sub.a, R.sub.b, X and Y are defined as in claim 1, the tautomers, stereoisomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation inhibiting effects, and to drugs containing the compounds and processes for preparing them.

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