Patent ID: 7025814
Filing Date: 2006-04-11
Classification: B41M,C09D

Abstract:
1. An ink-jet ink or an ink-jet system containing at least one water-soluble hindered amine compound of formula (II) wherein the compounds of formulae (II) are selected from the compounds of formulae A* to DD*: wherein R is hydrogen or methyl; and in formula A* n is 1 or 2, and when n is 1, R R when n is 2, R in formula B* m is 1 to 4, and when m is 1, R R R R when m is 2, R R R R R when m is 3, R when m is 4, R in formula C*, R x is 1 or 2, and when x is 1, R R when x is 2, R in formula D* y is 1 to 4, R and R in formula E* k is 1 or 2, when k is 1, R R when k is 2, R in formula F*, R g is 1 or 2, when g is 1, R when g is 2, R in formula G*, Q E R R in formula H* p is 1 or 2, T M and Y are independently methylene or carbonyl; in formula I*, this formula denotes a recurring structural unit of a polymer where T q is 2 to 100, Q in formula J*, r is 1 or 2, T in formula L* u is 1 or 2, T in formula M*, E E E E in formula O*, R in formula P*, E in formula T*, R R R f is 1 or 2, when f is 1, R when f is 2, R in formula U*, R in formula V*, R in formula W*, R R M is hydrogen or oxygen, wherein in formulas X* to CC* n is 2 to 3, G m is 1 to 4, x is 1 to 4, when x is 1, R or R when x is 2, R R R R when x is 3, R R when x is 4, R R R p is 2 or 3, and Q is an alkali metal salt, ammonium or N and in formula DD* m is 2 or 3, when m is 2, G is —(CH when m is 3, G is glyceryl, and X is an inorganic or organic anion selected from the group consisting of phosphate, phosphonate, carbonate, bicarbonate, nitrate, chloride, bromide, bisulfite, sulfite, bisulfate, sulfate, borate, formate, acetate, benzoate, citrate, oxalate, tartrate, acrylate, polyacrylate, fumarate, maleate, itaconate, glycolate, gluconate, malate, mandelate, tiglate, ascorbate, polymethacrylate, a carboxylate of nitrilotriacetic acid, hydroxyethylethylenediaminetriacetic acid, ethylenediaminetetraacetic acid or of diethylenetriaminepentaacetic acid, a diethylenetriaminepentamethylenephosphonate, an alkylsulfonate and an arylsulfonate, and where the total charge of cations h is equal to the total charge of anions j.