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:
Oct. 30, 1990
Filed:
Apr. 13, 1988
Applicant:
Inventors:
Hans H Schubert, Frankfurt am Main, DE;
Gerhard Salbeck, Hofheim am Taunus, DE;
Hans-Peter Krause, Hofheim am Taunus, DE;
Walter Luders, Heusenstamm, DE;
Werner Knauf, Eppstein/Taunus, DE;
Anna Waltersdorfer, Frankfurt am Main, DE;
Manfred Kern, Lorzweiler, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
514277 ; 514332 ; 514335 ; 514345 ; 514348 ; 514350 ; 514354 ; 514355 ; 546261 ; 546262 ; 546266 ; 546288 ; 546298 ; 546339 ;
Abstract
Compounds of the formula (I) and their stereoisomers ##STR1## wherein A, B, C' and D independently of one another denote CH or N, in which at least one of the symbols A, B, C' or D must correspond to a nitrogen atom,