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:
Aug. 04, 1987
Filed:
Mar. 03, 1986
Tetsuya Miyamoto, Takatsuki, JP;
Takashi Omura, Ashiya, JP;
Naoki Harada, Suita, JP;
Akira Takeshita, Oita, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A phthalocyanine compound represented by the following formula, ##STR1## wherein Pc is a metal-containing or metal-free phthalocyanine residue, R.sup.1 is a hydrogen atom or substituted or unsubstituted lower alkyl group, A is a substituted or unsubstituted phenylene or naphthylene group, Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by the action of an alkali, W is a bridging group of the following formula, ##STR2## in which R.sup.2 and R.sup.3 are independently a hydrogen atom or a methyl or ethyl group, and n is an integer of from 2 through 6, X is a halogen atom, a is 0 or a number of not more than 2 (0.ltoreq.a.ltoreq.2), and b and c are independently a number of 1 through 3 (1.ltoreq.b.ltoreq.3, 1.ltoreq.c.ltoreq.3), provided that the total of a, b and c is not more than 4 (a+b+c.ltoreq.4), which is useful for dyeing or printing materials, particularly cellulose fiber materials, in a brilliant turquoise blue color excellent in various fastness properties.