and coj470 cabot or d71y d71y155 d75y diamond dispersions and hostajet yellow 4g pt vp2669 clariant black cw1 cw2 cw3 orient or coj200 coj300 coj400 cabot or sdp1000 sdp2000 sensient or d71k d75k d77k d80k diamond dispersions and hostajet black o pt clariant red d71r diamond dispersions blue d71b diamond dispersions the pigments may be self dispersing pigments such as surface modified pigments the surface modification may be via either an anionic group a cationic group or direct modification of the pigment surface typical surface modifying groups are carboxylate and sulfonate groups however other surface modifying groups may also be used such as anionic phosphate groups or cationic ammonium groups specific examples of suitable aqueous surface modified pigment dispersions are sensijet u00ae black sdp 2000 available from sensient colors inc and cab o jet u00ae 200 300 250c 260m and 270y available from cabot corporation the average particle size of pigment particles in inkjet inks is optionally in the range of 50 to 500 nm pigments and dyes may be used in inkjet inks either individually or as a combination of two or more thereof ink vehicles for inkjet inks will be well known to the person skilled in the art and the ink vehicles used in the present invention are not particularly limited the ink vehicles used in.