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. 03, 1976
Filed:
Dec. 20, 1974
Applicant:
Inventors:
Erhardt Winkelmann, Kelkheim, Taunus, DT;
Wolfgang Raether, Dreieichenhain, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424250 ;
Abstract
1,4-BIS-5'-NITROIMIDAZOLYL-2'-METHYLENE-IMINO) PIPERAZINES OF THE FORMULA ##SPC1## In which R.sub.1 is hydrogen, methyl, ethyl or 2-hydroxyethyl and R.sub.2 is hydrogen or methyl, are prepared by reaction of 5-nitro-imidazolyl-2-aldehydes or the functional derivatives thereof with 1,4-diamino-piperazines. Pharmaceutical compositions containing these compounds for treating protozoal diseases and methods of treating protozoal diseases with these compounds are disclosed.