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:
Mar. 20, 1979
Filed:
Feb. 02, 1977
Denis R Ridyard, Manchester, GB;
Imperial Chemical Industries Limited, London, GB;
Abstract
A water-soluble azo dye having the general formula: ##STR1## wherein A represents the residue of a diazo component of the benzene or naphthalene series; E represents the residue of a coupling component of the arylamine, naphthol, phenol, 5-pyrazolone, 5-aminopyrazole or acylacetarylamide series; X represents .dbd.N--, .dbd.C--Cl or .dbd.C--CN; Y represents chlorine or bromine, Q.sup.1 represents --O--, --S-- or --NR.sup.4 -- in which R.sup.4 represents hydrogen or lower alkyl; Q.sup.2 represents a direct link, --O--, --S--, --CO--, --SO.sub.2 --, --SO.sub.2 NH--, --NHSO.sub.2 --, --CONH--, --NHCO--, --COO--, --OCO--, --OSO.sub.2 -- or --NR.sup.5 -- in which R.sup.5 represents hydrogen or lower alkyl; R.sup.1 represents an arylene radical; R.sup.2 represents an optionally substituted alkyl, cycloalkyl, aralkyl or aryl radical such that R.sup.1 and R.sup.2 together contain from 14 to 18 carbon atoms; R.sup.3 represents hydrogen or lower alkyl and n is a whole number having a value from 1 to 3. These dyes are useful for coloring cellulosic textile materials as well as textile materials based on natural or synthetic nitrogenous fibers such as wool, silk and nylon.