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. 26, 1990
Filed:
Mar. 22, 1985
Yutaka Kayane, Sakai, JP;
Masaki Sunami, Toyonaka, JP;
Katsumasa Otake, Nara, JP;
Yasuo Tezuka, Ibaraki, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A novel reactive monoazo dye, which can give to cellulose fiber materials a deep orange to scarlet color superior in build-up property and chlorine fastness, represented by a free acid of the formula, ##STR1## wherein D is a phenyl group substituted with 1 to 3 substitutes selected from methyl, ethyl, methoxy, ethoxy, halogen, acetylamino, propionylamino, benzoylamino, succinylamino, maleinylamino, nitro, suflonic acid and carboxyl groups; R.sub.1 is a hydrogen atom, or a methyl or ethyl group; R.sub.2 is an alkyl group having 1 to 4 carbon atoms which is unsubstituted or substituted with a hydroxy, cyano, alkoxy, halogen, carboxy, alkoxycarbonyl or sulfonic acid group; Z is a hydrogen atom or a sulfonic acid group; A is a phenylene residue which is unsubstituted or substituted with 1 or 2 substituents selected from methyl, ethyl, methoxy, ethoxy, chlorine, bromine and sulfonic acid groups; or a naphthylene residue which is unsubstituted or substituted with one sulfonic acid group; and X is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Y in which Y is a group which is splittable by alkalis.