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:
Apr. 10, 1979
Filed:
Apr. 18, 1977
Yoshihisa Sueda, Toyonaka, JP;
Suketsugu Koumura, Ibaragi, JP;
Kazuyoshi Hirabayashi, Ikeda, JP;
Hirohito Kenmochi, Takatsuki, JP;
Hisashige Terao, Toyonaka, JP;
Yoshio Mori, Ibaragi, JP;
Sumitomo Chemical Company Limited, Osaka, JP;
Abstract
A dye, which is suitable for dyeing cellulosic fiber materials, of the formula, ##STR1## wherein R and R' are each hydrogen, a C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 hydroxyalkyl, m is an integer of 1 to 6, n and n' are each an integer of 2 to 4, and when m is 2 or more, n may be the same or different integer between 2 and 4, X is hydrogen or a group of the formula ##STR2## (wherein Q is a dye residue, R.sub.1 is hydrogen or a C.sub.1 -C.sub.4 alkyl and R.sub.2 is halogen); Y is hydrogen or a group of the formula ##STR3## 1 (wherein Q' is a dye residue, and when m is 2 or more, Q's may be the same or different, R.sub.1 ' is hydrogen or a C.sub.1 -C.sub.4 alkyl and R.sub.2 ' is halogen); Z is hydrogen or a group of the formula ##STR4## 5 (wherein Q' is a dye residue, R.sub.1 ' is hydrogen or a C.sub.1 -C.sub.4 alkyl and R.sub.2 ' is halogen, Q, Q' and Q' may independently be the same or different and X, Y and Z are not hydrogen at the same time).