Claims
- 1. A water-soluble phthalocyanine dyestuff of the formula ##STR24## wherein MePc is copper phthalocyanine, nickel phthalocyanine or cobalt phthalocyanine and wherein the sulfonic acid and the sulfonamide groups are linked to the 3-position or the 4-position of the phthalocyanine benzene rings, a and c each is an integer or a fractional number in the range 1 to 3, the sum of a and c being at most 4, R.sub.3 is hydrogen or methyl, B is --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --NH--, ##STR25## A is phenylene, naphthylene, hydroxyphenylene, methoxyphenylene, methylphenylene, dimethoxyphenylene, methyl-methoxyphenylene, sulfo-phenylene, carboxy-phenylene, bromo-phenylene, nitrophenylene or hydroxy-nitro-phenylene, X is --CH.sub.2 --or --N(CH.sub.3)-- and n and m each is 0 or 1, the sum of m and n being 0 or 1.
- 2. The dyestuff according to claim 1 of the formula ##STR26## wherein the sulfonic acid and the sulfonamide groups are at the 3-positions.
- 3. The dyestuff according to claim 1 of the formula ##STR27## wherein the sulfonic acid and the sulfonamide groups are at the 3-positions.
Parent Case Info
This is a continuation of application Ser. No. 851,091, filed Aug. 18, 1969, now abandoned.
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Foreign Referenced Citations (1)
Number |
Date |
Country |
1,121,711 |
Jul 1968 |
UK |
Non-Patent Literature Citations (1)
Entry |
Behnert, J. Society of Dyers & Colourists, vol. 75, Jan. 1960, pp. 581-585. |
Continuations (1)
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Number |
Date |
Country |
Parent |
851091 |
Aug 1969 |
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