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:
May. 12, 1992
Filed:
Apr. 02, 1991
Erwin Hahn, Heidelberg, DE;
Guenter Hansen, Ludwigshafen, DE;
Gunther Lamm, Hassloch, DE;
Helmut Reichelt, Neustadt, DE;
Gerhard Wagenblast, Weisenheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Dye mixtures useful for dyeing or printing synthetic fabrics contain at least one azo dye whose diazo component is 2-amino-3,5-dicyano-4-methylthiophene and whose coupling component comes from the 2-amino-4-thienylthiazole series and also at least one azo dye whose diazo component is 2-amino-3,5-dicyano-4-methylthiophene, 2-amino-3-alkoxycarbonyl-5-cyano-4-methylthiophene or 2-amino-5-alkoxycarbonyl-3-cyano-4-methylthiophene and whose coupling component comes from the 3-cyano-4-methyl-2,6-diaminopyridine series, and/or at least one azo dye whose diazo component is a 2,6-dicyano-4-alkylaniline and whose coupling component comes from the m-phenylenediamine series.