Phase change inks containing colorant compounds

A process which comprises (1) incorporating into an ink jet printing apparatus a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula

• wherein R is
• wherein R′ is selected from (i) an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, (ii) an alkylene group, including substituted and unsubstituted alkylene groups, and wherein hetero atoms either may or may not be present in the alkylene group, (iii) an arylene group, including substituted and unsubstituted arylene groups, and wherein hetero atoms either may or may not be present in the arylene group (iv) an arylalkylene group, including substituted and unsubstituted arylalkylene groups, and wherein hetero atoms either may or may not be present in the arylalkylene group, (v) an alkylarylene group, including substituted and unsubstituted alkylarylene groups, and wherein hetero atoms either may or may not be present in the alkylarylene group, (vi) an alkyleneoxy group, including substituted and unsubstituted alkyleneoxy groups, and wherein hetero atoms either may or may not be present in the alkyleneoxy group, (vii) an aryleneoxy group, including substituted and unsubstituted aryleneoxy groups, and wherein hetero atoms either may or may not be present in the aryleneoxy group, (viii) an arylalkyleneoxy group, including substituted and unsubstituted arylalkyleneoxy groups, and wherein hetero atoms either may or may not be present in the arylalkyleneoxy group, (ix) an alkylaryleneoxy group, including substituted and unsubstituted alkylaryleneoxy groups, and wherein hetero atoms either may or may not be present in the alkylaryleneoxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a heterocyclic group, (xv) a silylene group, (xvi) a siloxane group, (xvii) a polysilylene group, (xviii) a polysiloxane group, or (xix) hydrogen;
• wherein X is a (i) direct bond, (ii) an oxygen atom, (iii) a nitrogen atom, (iv) a sulfur atom, (v) a group of the formula —NR40— wherein R40 is a hydrogen atom, an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, an aryl group, including substituted and unsubstituted aryl groups, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, including substituted and unsubstituted arylalkyl groups, and wherein hetero atoms either may or may not be present in the arylalkyl group, or an alkylaryl group, including substituted and unsubstituted alkylaryl groups, and wherein hetero atoms either may or may not be present in the alkylaryl group, (vi) or a group of the formula —CR50R60—;
• wherein R50 and R60 each, independently of the other, is a hydrogen atom, an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, an aryl group, including substituted and unsubstituted aryl groups, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, including substituted and unsubstituted arylalkyl groups, and wherein hetero atoms either may or may not be present in the arylalkyl group, or an alkylaryl group, including substituted and unsubstituted alkylaryl groups, and wherein hetero atoms either may or may not be present in the alkylaryl group;
• wherein (Y)m and (Z)n are each independently optionally present and where (Y)m and (Z)n are each independently selected from i) a hydrogen atom, (ii) a halogen atom, (iii) a nitro group, (iv) an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, (v) an aryl group, including substituted and unsubstituted aryl groups, and wherein hetero atoms either may or may not be present in the aryl group, (vi) an arylalkyl group, including substituted and unsubstituted arylalkyl groups, and wherein hetero atoms either may or may not be present in the arylalkyl group, (vii) an alkylaryl group, including substituted and unsubstituted alkylaryl groups, and wherein hetero atoms either may or may not be present in the alkylaryl group, (viii) a group of the formula
• wherein R70 is an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, an aryl group, including substituted and unsubstituted aryl groups, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, including substituted and unsubstituted arylalkyl groups, and wherein hetero atoms either may or may not be present in the arylalkyl group, an alkylaryl group, including substituted and unsubstituted alkylaryl groups, and wherein hetero atoms either may or may not be present in the alkylaryl group, an alkoxy group, including substituted and unsubstituted alkoxy groups, and wherein hetero atoms either may or may not be present in the alkoxy group, an aryloxy group, including substituted and unsubstituted aryloxy groups, and wherein hetero atoms either may or may not be present in the aryloxy group, an arylalkyloxy group, including substituted and unsubstituted arylalkyloxy groups, and wherein hetero atoms either may or may not be present in the arylalkyloxy group, an alkylaryloxy group, including substituted and unsubstituted alkylaryloxy groups, and wherein hetero atoms either may or may not be present in the alkylaryloxy group, a polyalkyleneoxy group, a polyaryleneoxy group, a polyarylalkyleneoxy group, a polyalkylaryleneoxy group, a heterocyclic group, a silyl group, a siloxane group, a polysilylene group, or a polysiloxane group, (ix) a sulfonyl group of the formula —SO2R80 wherein R80 is a hydrogen atom, an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, an aryl group, including substituted and unsubstituted aryl groups, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, including substituted and unsubstituted arylalkyl groups, and wherein hetero atoms either may or may not be present in the arylalkyl group, an alkylaryl group, including substituted and unsubstituted alkylaryl groups, and wherein hetero atoms either may or may not be present in the alkylaryl group, an alkoxy group, including substituted and unsubstituted alkoxy groups, and wherein hetero atoms either may or may not be present in the alkoxy group, an aryloxy group, including substituted and unsubstituted aryloxy groups, and wherein hetero atoms either may or may not be present in the aryloxy group, an arylalkyloxy group, including substituted and unsubstituted arylalkyloxy groups, and wherein hetero atoms either may or may not be present in the arylalkyloxy group, an alkylaryloxy group, including substituted and unsubstituted alkylaryloxy groups, and wherein hetero atoms either may or may not be present in the alkylaryloxy group, a polyalkyleneoxy group, a polyaryleneoxy group, a polyarylalkyleneoxy group, a polyalkylaryleneoxy group, a heterocyclic group, a silyl group, a siloxane group, a polysilylene group, or a polysiloxane group, or (x) a phosphoryl group of the formula —PO3R90 wherein R90 is a hydrogen atom, an alkyl group, including substituted and unsubstituted alkyl groups, and wherein hetero atoms either may or may not be present in the alkyl group, an aryl group, including substituted and unsubstituted aryl groups, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, including substituted and unsubstituted arylalkyl groups, and wherein hetero atoms either may or may not be present in the arylalkyl group, an alkylaryl group, including substituted and unsubstituted alkylaryl groups, and wherein hetero atoms either may or may not be present in the alkylaryl group, an alkoxy group, including substituted and unsubstituted alkoxy groups, and wherein hetero atoms either may or may not be present in the alkoxy group, an aryloxy group, including substituted and unsubstituted aryloxy groups, and wherein hetero atoms either may or may not be present in the aryloxy group, an arylalkyloxy group, including substituted and unsubstituted arylalkyloxy groups, and wherein hetero atoms either may or may not be present in the arylalkyloxy group, an alkylaryloxy group, including substituted and unsubstituted alkylaryloxy groups, and wherein hetero atoms either may or may not be present in the alkylaryloxy group, a polyalkyleneoxy group, a polyaryleneoxy group, a polyarylalkyleneoxy group, a polyalkylaryleneoxy group, a heterocyclic group, a silyl group, a siloxane group, a polysilylene group, or a polysiloxane group;
• and
• wherein in (Y)m, m is an integer from about 0 to about 4, and in (Z)n, n is an integer from about 0 to about 4;
• (2) melting the ink;
• and
• (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.