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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 4851420 B1

PDFFull Text
Date of Patent:
Jul. 25, 1989

Filed:

Nov. 05, 1987

2,6-diamino-3-halobenzylpyridines and processes for their manufacture as

Applicant:
Inventors:

Peter Emig, Niederdorfelden, DE;

Juergen Engel, Alzenau, DE;

Gerhard Scheffler, Hanau, DE;

Carl H Weischer, Bonn, DE;

Bernd Nickel, Kuehltal, DE;

Assignee:

ASTA Pharma Aktiengesellschaft, Frankfurt am Main, DE;

Attorney:

Beveridge, DeGrandi & Weilacher

Primary Examiner:

Alan L Rotman

Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514352 ; 546307 ;
Abstract

2,6-diamino-3-halobenzylpyridines of the formula I: ##STR1## wherein R.sub.1 is fluorine and R.sub.2 is hydrogen or chlorine as well as their physiologically acceptable acid addition salts, processes for their manufacture and their use in pharmaceuticals.

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Emig, Peter. (1989). 2,6-diamino-3-halobenzylpyridines and processes for their manufacture as (U.S. Patent No. 4851420). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4851420

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

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