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:
Dec. 12, 1989
Filed:
May. 16, 1989
Applicant:
Inventors:
Ulrich Niewohner, Wermelskirchen, DE;
Franz-Peter Hoever, Cologne, DE;
Folker Lieb, Leverkusen, DE;
Ulrich Rosentreter, Wuppertal, DE;
Elisabeth Perzborn, Wuppertal, DE;
Volker-Bernd Fiedler, Leverkusen, DE;
Friedel Seuter, Wuppertal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 42 ; 562451 ; 564165 ;
Abstract
Certain intermediate aminomethyl-5,6,7,8-tetrahydronaphthyl-oxyacetic acid derivatives of the formula ##STR1## in which R.sup.2 is hydroxyl, alkoxy, phenoxy, benzoxy or NR.sup.4 R.sup.5, and