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:
Jun. 04, 1991
Filed:
May. 21, 1990
Applicant:
Inventors:
Hartmut Springer, Konigstein/Taunus, DE;
Uwe Reiher, Frankfurt am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
534638 ; 534582 ; 534617 ; 534642 ; 534887 ; 562868 ; 564163 ; 564440 ;
Abstract
Water-soluble azo compounds of the general formula D--N.dbd.N--K are described, which have advantageous fiber-reactive dye properties and dye carboxamido-containing and in particular hydroxy-containing materials, such as wool and in particular cellulose fiber materials, in hues which have high color strength and good fastness properties. In the formula D--N.dbd.N--K, the symbols have the following meanings: