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. 20, 1989
Filed:
Nov. 19, 1987
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A dioxazine compound of the formula, ##STR1## wherein A is a divalent group of the formula, ##STR2## in which * and ** denote linkages to the adjacent nitrogen and oxygen atoms, respectively, or the divalent group-containing 3- to 5-condensed aromatic ring residue, R is a substituent such as amino, cyano, nitro, halogeno and the like, V is --SO.sub.2 NR.sub.5 - or the like in which R.sub.5 is hydrogen or the like, X is aliphatic, alicyclic, araliphatic or aromatic divalent group, Y is phenylene or naphthylene, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.1 in which Z.sub.1 is a splittable group, Q is halogeno, amino or the like, R.sub.1 and R.sub.2 are each hydrogen or alkyl, and O<l+m+n.ltoreq.6, provided that O.ltoreq.l.ltoreq.4, O.ltoreq.m<5 and O<n.ltoreq.4, which is useful for dyeing or printing hydroxyl or amide group-containing materials to give dyed or printed products of excellent fastness properties with good dye performances such as dyeing velocity, level dyeing property and build-up property.