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:
Mar. 22, 2011
Filed:
Jan. 21, 2003
Applicants:
Holger Lautenbach, Grenzach-Wyhlen, DE;
Adolf Käser, Bottmingen, DE;
Michael Heneghan, Rheinfelden-Eichsel, DE;
Inventors:
Holger Lautenbach, Grenzach-Wyhlen, DE;
Adolf Käser, Bottmingen, DE;
Michael Heneghan, Rheinfelden-Eichsel, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 62/008 (2006.01); C09B 62/028 (2006.01); C09B 62/245 (2006.01); C09B 62/35 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates storage stable aqueous dye solutions comprising in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is hydrogen, an alkali metal or alkaline earth metal, ammonium or alkyl ammonium, or a residue of the formula in which