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:
Aug. 02, 1983
Filed:
Feb. 08, 1982
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8643 ; 8676 ; 8679 ; 8917 ; 8924 ;
Abstract
The invention relates to a dye mixture which contains a dye of the formula ##STR1## wherein Z is hydrogen or methyl, and a dye of the formula ##STR2## Z in the formula (1) being hydrogen when the propionylamino group in the formula (2) is bound in the m-position with respect to the NH group. The dye mixture is suitable for dyeing or printing natural or synthetic polyamide materials, especially in combination with other dyes, and particularly from short liquors. The dye mixture is characterized by generally good properties, in particular by good strike properties and good solubility.