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.

Date of Patent:
Aug. 29, 1989

Filed:

Oct. 30, 1987
Applicant:
Inventors:

Ludwig Schlafer, Kelkheim, DE;

Hartmut Springer, Konigstein, DE;

Reinhard Hahnle, Konigstein, DE;

Assignee:

Hoechst Aktiengesellschaft, Frankfurt am Main, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8532 ; 8547 ; 8549 ; 8681 ; 8687 ; 8688 ; 8918 ; 8922 ; 534617 ; 534642 ; 534751 ; 534770 ; 534774 ; 534776 ; 534779 ; 534780 ; 534785 ; 534786 ; 534798 ; 534816 ; 534829 ;
Abstract

Water-soluble azo compounds having useful fiber-reactive dye properties conforming to the general formula ##STR1## in which: A is phenylene which may be substituted or unsubstituted, or is a radical of the formula ##STR2## in which W is a direct bond or a radical of the formula --CH.dbd.CH-- or --NH--CO--NH-- and R* denotes hydrogen, nitro, sulfo, carboxy, methyl, ethyl, methoxy or ethoxy;


Find Patent Forward Citations

Schlafer, Ludwig. (1989). Reactive water-soluble azo dyes containing carboxy- or (U.S. Patent No. 4861344). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4861344

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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