DETAILED DESCRIPTION The invention claimed is: 1.
Compounds of the formula (I): ##STR15## where P and P′ are independently H, C1-4-alkyl, C1-4-alkoxy, —SO3H, Q and Q′ are independently H or —SO3H, Me is Cu or Ni, X and Y are independently halogen atoms, m, n, o, r, s and t are independently 0, 1 or 2, u is 0 or 1, v is 1 or 2, subject to the proviso that the sum total of u and v is always less than 3, mixtures thereof and also their salts.
2.
Compounds according to claim 1, where o is 0 or 1; r, s and t are each 0, both m and n are 1 or 2 and X and Y are each fluorine.
3.
Compounds according to claim 1, conforming to the formula (II) ##STR16## where o is 0 or 1.
4.
Process for preparing compounds according to claim 1, where an amino compound of formula (III) ##STR17## is reacted with 2,4,6-trihalopyrimidine to form a compound of the formula (I).
5.
A method for dyeing hydroxyl-containing or nitrogenous organic substrates comprising the steps of: providing a hydroxyl-containing or nitrogenous organic substrates; providing a compound according to claim 1; and contacting said hydroxyl-containing or nitrogenous organic substrates with said compound according to claim 1.
6.
A method for dyeing cellulose, polyamides and animal fibres according to claim 5 where said hydroxyl-containing or nitrogenous organic substrates are selected from the group consisting of cellulose, polyamides and animal fibres.
7.
Inkjet printing inks comprising the compounds claimed in claim 1.
8.
Substrates containing cellulose, polyamides or animal fibres and dyed or printed with a compound of the formula (I) according to claim 1.
9.
Inkjet printing inks according to claim 7 for printing paper.
10.
Inkjet printing inks according to claim 7 for printing cellulose, polyamides and animal fibres.
Description:
This invention relates to novel fibre-reactive formazan dyes of the formula (I): ##STR2## P and P′ are independently H, C1-4-alkyl, C1-4-alkoxy, —SO3H, Q and Q′ are independently H or —SO3H, Me is Cu or Ni, X and Y are independently halogen atoms, m, n, o, r, s and t are independently 0, 1 or 2, u is 0 or 1, v is 1 or 2, subject to the proviso that the sum total of u and v is always less than 3, mixtures thereof and also their salts
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Gene Therapy 
