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. 27, 1997
Filed:
Feb. 28, 1996
Applicant:
Inventors:
Reinhold Krallmann, Weisenheim, DE;
Manfred Sulflow, Bad Durkheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8549 ; 8641 ; 8681 ; 8685 ; 8687 ;
Abstract
Reactive dye mixtures comprising the dyes of the formulae ##STR1## where Kat.sup..sym. is a cation, L is C.sub.2 -C.sub.4 -alkylene, and X.sup.1, X.sup.2, Y.sup.1 and Y.sup.2 are each vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, where Q is a group detachable under alkaline reaction conditions, in a weight ratio of from 20:80 to 90:10, are useful for dyeing or printing hydroxyl-containing or nitrogenous organic substrates.