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:
Nov. 07, 1995
Filed:
Mar. 04, 1993
Bernhard Kutscher, Maintal, DE;
Georg Niebch, Rodenbach, DE;
Ilona Fleischhauer, Offenbach, DE;
Jurgen Engel, Alzenau, DE;
Ute Achterrath-Tuckermann, Maintal, DE;
Stefan Szelenyi, Schwaig, DE;
Asta Medica Aktiengesellschaft, Dresden, DE;
Abstract
6-amino carboxylic acid derivatives having antiasthmatic and antiallergic properties which can be used for the preparation of medicaments. The compounds have the formula: ##STR1## wherein R.sub.1 and R.sub.2 represent hydrogen, a straight-chain or branched alkyl radical with 1-6 carbon atoms, benzyl or phenylethyl, R.sub.3 represents hydrogen, a straight-chain or branched alkyl radical with 1-6 carbon atoms or benzyl, X represents hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy, Y.sub.1 and Y.sub.2 represent hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy, where m, n and o can assume the values from 0-4.