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:
Feb. 02, 1993
Filed:
Apr. 18, 1991
Applicant:
Inventors:
Rolf Angerbauer, Wuppertal, DE;
Peter Fey, Wuppertal, DE;
Walter Hubsch, Wuppertal, DE;
Thomas Philipps, Cologne, DE;
Hilmar Bischoff, Wuppertal, DE;
Dieter Petzinna, Duesseldorf, DE;
Delf Schmidt, Wuppertal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546330 ; 546 14 ; 546334 ; 546335 ;
Abstract
Intermediate imino-substituted pyridines of the formula ##STR1## in which R.sup.1 is optionally substituted aryl,