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:
Jul. 18, 1995
Filed:
Oct. 25, 1994
Applicant:
Inventors:
Paul Herzig, Basel, CH;
Athanassios Tzikas, Pratteln, CH;
Anton Andreoli, Riehen, CH;
Claudia Carisch, Reinach, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
534635 ; 8549 ; 534642 ;
Abstract
Reactive dyes of the formula ##STR1## in which D, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fiber materials or naturally occurring or synthetic polyamide fiber materials with a high tinctorial yield, and produce dyeings and prints having good fastness properties.