Patent ID: 6764541
Filing Date: 2004-07-20
Classification: C09B,C09D

Abstract:
A phase change ink comprising a phase change ink carrier and a colorant compound comprising one or more moieties of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an aokylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, Râ€² is an aromatic- or heteroaromatic-containing group, each Ra, independently of the others, is a halogen atom, an alkyl group, an olkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, w is an integer of, 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alicylene oxide unit, and x is an integer representing the number of repeat alkylene oxide units, wherein, when the colorant compound contains exactly one of the moieties, the moiety contains no more than one â€”OH, â€”SH, or primary or secondary amino group per molecule, and when the colorant compound contains more than one of the moieties, said moieties each contain no â€”OH groups, â€”SH groups, or primary or secondary amino groups.