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:
Jun. 07, 1983
Filed:
Aug. 14, 1981
Applicant:
Inventors:
Ruth Heerdt, Mannheim, DE;
Hans P Wolff, Hirschberg-Grosssachsen, DE;
Fritz Kaiser, Lampertheim, DE;
Wolfgang Schaumann, Heidelberg, DE;
Hans Kuhnle, Weinheim, DE;
Assignee:
Boehringer Mannheim GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
424319 ; 424309 ; 424323 ; 560 10 ; 560 16 ; 560 34 ; 560170 ; 560155 ; 560121 ; 560125 ; 562553 ; 562560 ; 562503 ; 562505 ; 562506 ; 562439 ; 562426 ; 562427 ; 562556 ; 564149 ; 564150 ; 564148 ; 564151 ;
Abstract
A pyruvic acid hydrazone derivative of the formula: ##STR1## wherein R is an aryl radical optionally substituted by lower alkyl or is an aliphatic hydrocarbon radical which can be substituted by a lower alkoxy, a cycloalkyl or an optionally substituted aryl radical,