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. 03, 1985
Filed:
Apr. 28, 1980
Applicant:
Inventors:
Gert Hegar, Schunenbuch, CH;
Herbert Seiler, Riehen, CH;
Assignee:
Ciba Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
534618 ; 534652 ; 534887 ;
Abstract
Dyes of formula ##STR1## wherein D is the radical of a formazane dye of formula ##STR2## X is a group which is capable of complex formation, Z is a --NH.sub.2 group, a substituted or unsubstituted aliphatic or aromatic amino group, n is 1 or 2 and m is an integer from 2 to 5, and the benzene rings A, B and C can contain further substituents in addition to the --SO.sub.3 H groups and the radicals of formula ##STR3##