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:
Oct. 10, 1995
Filed:
Apr. 19, 1994
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A reactive dye composition containing at least one dioxazine compound of the formula (I) in the free acid form: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, Z.sub.1, m, Y.sub.1, Z.sub.1, Q.sub.1 and Q.sub.2 are as defined in the claims, or at least one dioxazine compound of the formula (II) in the free acid form: ##STR2## wherein R.sub.8, R.sub.9, R.sub.10, X.sub.2, n, Y.sub.2, Z.sub.2, Z.sub.3 and Q.sub.3 are as defined in the claims, or a mixture of at least one dioxazine compound of the formula (I) and at least one dioxazine compound of the formula (II); and at least one anthraquinone compound of the formula (III) in the free acid form: ##STR3## wherein Z.sub.4 is as defined in the claims; can dye a cellulose fiber material or a fiber material containing cellulose fiber uniformly blue, with a small amount of salt, with a good build-up property, in a high reproducibility.