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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.:

US 5116843 B1

PDFFull Text
Date of Patent:
May. 26, 1992

Filed:

Jun. 25, 1990

Tricyclic benzimidazole compounds, pharmaceutical compositions and

Applicant:
Inventors:

Alfred Mertens, Schriesheim, DE;

Wolfgang von der Saal, Weinhim, DE;

Erwin Boehm, Ladenburg, DE;

Klaus Strein, Hemsbach, DE;

Assignee:

Boehringer Mannheim GmbH, Mannheim, DE;

Attorney:

Felfe & Lynch

Primary Examiner:

Mary C Lee

Assistant Examiner:

Joseph K McKane

Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514253 ; 514254 ; 514267 ; 514293 ; 544 98 ; 544182 ; 544224 ; 544238 ; 544242 ; 544251 ; 544358 ; 544360 ; 546 82 ;
Abstract

The present invention provides tricyclic benzimidazoles of the formula ##STR1## wherein R.sub.1 is a phenyl radical of the general formula: ##STR2## wherein R.sub.2, R.sub.3 and R.sub.4 can be the same or different as in claim 1. For A, B, C and D are understood those compounds where one or two of A, B, C or D are nitrogen. These compounds are useful to inhibit the aggregation of thrombocytes and erythrocytes, lower blood pressure and can increase the power of the heart.

Find Patent Forward Citations

Mertens, Alfred. (1992). Tricyclic benzimidazole compounds, pharmaceutical compositions and (U.S. Patent No. 5116843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5116843

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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