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:
Dec. 12, 2000
Filed:
Oct. 05, 1999
Applicant:
Inventors:
Ron Pedemonte, Eppstein-Vockenhausen, DE;
Joachim Steckelberg, Hofheim, DE;
Christian Schumacher, Kelkheim, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
8639 ; 8641 ; 8918 ;
Abstract
The present invention provides a mixture of dyes which comprise one or more monoazo dyestuffs corresponding to the general formula (1) and one or more monoazo dyestuffs corresponding to the formula (2) ##STR1## wherein R1, R2, R3, R4, R5, R6, Y.sub.1, Y.sub.2 and M are defined as given in claim 1, methods for preparing said dye mixtures and methods for dyeing hydroxy and/or carboxamido-containing materials using said dye mixtures.