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:
Jan. 10, 1984
Filed:
Apr. 02, 1981
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Abstract
A reactive disazo compound which, in the free acid form, is represented by the formula: ##STR1## wherein R.sub.1 is H, Cl or SO.sub.3 H, R.sub.2 is H, CH.sub.3 or SO.sub.3 H, X is .beta.-sulfatoethyl, .beta.-thiosulfatoethyl, .beta.-phosphatoethyl or vinyl, Y is Cl or F, Z is Cl, F or Z.sub.1, Z.sub.1 is amino; mono- or dialkylamino having 1 to 4 carbon atoms which may be substituted by hydroxy, carboxy or sulfo; morpholino; anilino which may be substituted by halogen, lower alkyl, lower alkoxy, carboxy or sulfo; N-methylanilino, naphthylamino or sulfo-substituted naphthylamino; alkoxy having 1 to 4 carbon atoms which may be substituted by lower alkoxy; phenoxy; alkylthio having 1 to 4 carbon atoms which may be substituted by hydroxy; phenylthio, and Q is N, C--Cl or C--F when Z is Cl or F and N when Z is Z.sub.1. These compounds are used for dyeing or printing cellulosic fibers.