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. 20, 1983
Filed:
Jun. 07, 1982
Applicant:
Inventors:
Peter Loew, Munchenstein, CH;
Rudolf Zink, Therwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; C09B / ;
U.S. Cl.
CPC ...
8644 ; 8534 ; 8657 ; 8927 ;
Abstract
There are described novel dye mixtures of the dyes I and II or Ia and II ##STR1## wherein the symbols have the meanings defined in claim 1. These mixtures can be used in particular for dyeing and printing polyacrylonitrile materials, or mixed fabrics of polyacrylonitrile and wool, the dyeings obtained having a clear, deeply colored blue shade and especially a very good evening shade.