GRAUE TINTENZUSAMMENSETZUNG UND VERFAHREN ZU IHRER HERSTELLUNG
摘要
<p>A gray ink composition includes an ink vehicle having a black pigment and at least one color pigment dispersed therein. An anionic dispersant is: a) dispersed in the ink vehicle; b) associated with at least a portion of a surface of at least one of the dispersed black pigment or the at least one dispersed color pigment; and/or c) combinations thereof. At least one of the black pigment or the color pigment(s) has an anionic surfactant that is associated with at least another portion of the surface thereof.</p>
申请公布号
DE602007002913(D1)
申请公布日期
2009.12.03
申请号
DE20076002913T
申请日期
2007.06.19
申请人
HEWLETT-PACKARD DEVELOPMENT CO.
发明人
YUE, SHUNQIONG;DOUMAUX, HOWARD A.;KELLY-ROWLEY, ANNE M.