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:
Mar. 10, 1992
Filed:
Jul. 16, 1990
Applicant:
Inventors:
Heinz U Blank, Odenthal, DE;
Helmut Kraus, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
558375 ; 544161 ; 544162 ; 544163 ; 544171 ; 546192 ; 546230 ; 546238 ; 548566 ; 548571 ; 548572 ; 558384 ; 560-9 ; 560 22 ; 560 23 ; 560 38 ; 560 41 ; 560 43 ; 560147 ; 560156 ; 560170 ; 560171 ;
Abstract
Aminomethylene compounds of the formula ##STR1## can be prepared by reaction of C-H acid compounds of the formula ##STR2## with salts of the formula ##STR3## in the presence of alkoxides of the formula