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. 02, 1991
Filed:
Dec. 20, 1989
Applicant:
Inventor:
Gunther Schwaiger, Frankfurt am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
534618 ; 534652 ;
Abstract
Copper complex formazan compounds of the general formula (1) ##STR1## in which A and B both independently of one another denote a benzene or naphthalene ring, both of which can be substituted by substitutents customary in fiber-reactive dyestuffs, these substituents being, in particular, the groups Z which confer water-solubility and fiber-reactive groups --SO.sub.2 --Y shown in formula (1);