The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 1991
Filed:
Nov. 13, 1989
Applicant:
Inventors:
Martin Bickel, Bad Homburg, DE;
Dietrich Brocks, Wiesbaden, DE;
Harald Burghard, Schmitten, DE;
Volkmar Gunzler, Marburg-Cappel, DE;
Stephan Henke, Bad Soden am Taunus, DE;
Hartmut Hanauske-Abel, Dexheim, DE;
Jurgen Mohr, Grunstadt, DE;
Georg Tschank, Mainz, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514354 ; 514355 ; 546316 ; 546323 ;
Abstract
The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X have the meanings given, a process for the preparation of these compounds and their use, in particular in medicaments for influencing the metabolism of collagen and collagne-like substances or the biosynthesis of Cl.sub.q.