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:
Apr. 12, 2011
Filed:
Jan. 08, 2007
Hans Reichert, Rheinfelden, DE;
Max Hügin, Rünenberg, CH;
Ulrich Veith, Hockessin, DE (US);
Sibylle Soder, Möhlin, CH;
Thomas Eichenberger, Basel, CH;
Hans Reichert, Rheinfelden, DE;
Max Hügin, Rünenberg, CH;
Ulrich Veith, Hockessin, DE (US);
Sibylle Soder, Möhlin, CH;
Thomas Eichenberger, Basel, CH;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention is directed to 2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxo-propyl]azo]-benzoic acid (C.I. Pigment Yellow 151): (I), characterized by a ΔE* (black/white) in masstone below 22.0±0.7, a process for its preparation and its use for pigmenting macromolecular organic materials of natural or synthetic origin. The pigment has high opacity and high color strength.