Patent ID: 6281269
Filing Date: 2001-08-28
Classification: B41M,C09D

Abstract:
An inkset for inkjet printing comprising:I) an ink comprising a colorant having a structure selected from the group consisting of Formula I, Formula II, Formula III, Formula IV, and mixtures thereof, wherein; ##STR14##whereinD is a chromophore;R.sub.1 is H or C.sub.1 -C.sub.5 ;R.sub.2 is a carbohydrate as defined by substructure A;R.sub.3 is C.sub.1 -C.sub.5 ;R.sub.4 is a carbohydrate as defined by substructure B;R.sub.5 is defined by substructure C;R.sub.6 is selected from the group consisting of --OH, --R.sub.7 CO.sub.2 H wherein R.sub.7 is an aromatic or aliphatic moiety substitute with a CO.sub.2 H group, --R.sub.8 SO.sub.3 H wherein R.sub.8 is an aromatic or aliphatic moiety substituted with an --SO.sub.3 H group, NR.sub.1 R.sub.8 wherein R.sub.8 is an aromatic moiety, --C.ident.N, --Cl, D wherein D is a chromophore as defined above; and NR.sub.2 R.sub.5 (amino carbohydrate) wherein R.sub.2 and R.sub.5 are as defined above; ##STR15##whereinm is 1-5;n is 2-7;w is 0-4;x is 2-7;y is 0-1;z is 0-3; andII) a 5.sub.th pen fluid comprising a reactive agent which reacts with said colorant contact.