Patent ID: 7097699

Claim:
An ink jet printing composition for ink jet printing a recording material comprising a) at least one dye of the formula (I), (II), (III) or (IV) wherein R 1 is H; Cl; Br; or —CN; R 2 is H; Cl; Br; or —CN; R 3 is H; —CH 3 ; —OCH 3 ; or —SO 2 CH 2 COOM; R 4 is H; —CH 3 ; —OCH 3 ; —NO 2 ; or —SO 2 CH 2 COOM; R 5 is —CH 2 CH 3 ; —CH 2 CH 2 OCH 3 ; —CH 2 CH 2 CN; —CH 2 CH 2 OH; —CH 2 CH 2 OCOCH 3 ; —CH 2 CH 2 COOCH 3 ; —CH 2 CH═CH 2 ; or —CH 2 C 6 H 5 ; R 6 is —CH 2 CH 3 ; —CH 2 CH 2 OCH 3 ; —CH 2 CH 2 CN; —CH 2 CH 2 OH; —CH 2 CH 2 OCOCH 3 ; —CH 2 CH 2 COOCH 3 ; —CH 2 CH═CH 2 ; or CH 2 C 6 H 5 ; R 7 is H; —OCH 3 ; or —OCH 2 CH 3 ; R 8 is H; —CH 3 ; —OCH 3 ; —NHCOCH 3 ; —NHCOC 6 H 5 ; or —NHSO 2 CH 2 COOM; R 9 is —CH 3 ; or —CH 2 CH 3 ; R 10 is H, or —CN; R 11 is H; or —SO 3 M; R 12 is —OCH 3 ; —OCH 2 CH 3 ; —OCH 2 CH 2 OCH 3 ; —SO 2 CH 2 COOM; —OCH 2 CH 2 SO 2 CH 2 COOM; or —SCH 2 CH 2 SO 2 CH 2 COOM; R 13 is H; —SO 2 CH 2 COOM; or CH 2 SO 2 CH 2 COOM; with M being a non-chromophoric cation or H; and with the proviso that only one SO 2 CH 2 COOH-group is present in the molecule; and b) water or a medium including a mixture of water and an organic solvent, an anhydrous organic solvent or a solid having a low melting point.