Patent ID: 8087767

Claim:
An inkjet ink set comprising at least a first ink and a second ink, wherein, a) the first ink comprises a vehicle and a reactive carbonyl-group(s) containing species having at least one reactive carbonyl group; b) the second ink comprises a vehicle and a reactive amine group(s) containing species having at least one reactive amine group; and c) the reactive carbonyl-group(s) containing species is any one or combination of species depicted in C5-C8 as follows (C5) —C(═NR 1 )R 1 (C6) —C═C(NR 3 R 3 )R 1 (C7) —C(—OR 4 ) 2 R 1 (C8) —C(—OR 4 ) 2 H; and wherein R 1 =C 1 to C 10 alkyl, or aryl group R 3 =C 1 to C 10 alkyl, or aryl group or part of a ring, R 4 =C 1 to C 10 alkyl, or part of a ring; and wherein said first ink does not contain said reactive amine group(s) containing species and said second ink does not contain said reactive carbonyl-group(s) containing species.