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.

Date of Patent:
Aug. 05, 1986

Filed:

Jul. 25, 1984
Applicant:
Inventors:

Herbert Koppe, Ingelheim am Rhein, DE;

Anton Mentrup, Mainz-Kastel, DE;

Ernst-Otto Renth, Ingelheim am Rhein, DE;

Kurt Schromm, Ingelheim am Rhein, DE;

Wolfgang Hoefke, Budenheim, DE;

Gojko Muaceic, Ingelheim am Rhein, DE;

Assignee:

Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548305 ;
Abstract

Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen or substituents of various types;


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