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.

Date of Patent:
Jan. 24, 1984

Filed:

Jul. 27, 1981
Applicant:
Inventor:

Fabio Beffa, Riehen, CH;

Assignee:

Ciba-Geigy Corporation, Ardsley, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C09B / ;
U.S. Cl.
CPC ...
260151 ; 2601 / ;
Abstract

1:2 Metal complex dyes of formula I ##STR1## and mixtures thereof with the metal complex dyes of formulae II and III ##STR2## wherein Me is chromium or cobalt and Q.sup..sym. is a cation. The dyes and dye mixtures are suitable for dyeing and printing natural or synthetic polyamide material. Printing pastes and padding liquors prepared from these dyes or mixtures have no tendency to gel.


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