Patent ID: 8808437
Filing Date: 2014-08-19
Classification: C09D

Abstract:
1. A phase change ink comprising: (i) an ink carrier; (ii) a quinacridone pigment; (iii) a synergist: (1) R (A) hydrogen; (B) halogen; (C) alkyl, including substituted and unsubstituted alkyl, wherein hetero atoms either may or may not be present in alkyl; or (D) alkoxy, including substituted and substituted alkoxy, wherein hetero atoms either may or may not be present in alkoxy; (2) R (A) alkylene, including substituted and unsubstituted alkylene, wherein hetero atoms either may or may not be present in alkylene; (B) arylene, including substituted and unsubstituted arylene, wherein hetero atoms either may or may not be present in arylene; (C) arylalkylene, including substituted and unsubstituted arylalkylene, wherein hetero atoms either may or may not be present in arylalkylene; or (D) alkyaryene, including substituted and unsubstituted alkylarylene, wherein hetero atoms either may or may not be present in alkylarylene; (3) x is an integer of at least 1; and (4) R (A) hydrogen; or (B) —R (iv) a pigment dispersant; said phase change ink being a solid at about 25° C.