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:
Oct. 19, 1993
Filed:
Jan. 24, 1992
Applicant:
Inventors:
Wassilios Grammenos, Ludwigshafen, DE;
Albrecht Harreus, Ludwigshafen, DE;
Hubert Sauter, Mannheim, DE;
Beate Hellendahl, Mannheim, DE;
Reinhard Doetzer, Weinheim, DE;
Eberhard Ammermann, Ludwigshafen, DE;
Gisela Lorenz, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 35 ; 544224 ; 544332 ; 546306 ; 548235 ; 558391 ; 560 13 ; 560 34 ; 562439 ; 562440 ;
Abstract
Compound of the formula I ##STR1## where R is hydrogen or alkyl,