Phase change inks

Details Phase change inks Phase change inks

2005-11-30

2008-08-05

Lorengo, J. A. (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031610

Reexamination Certificate

active

07407539

ABSTRACT:
Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730, a polydispersity of from about 1.03 to about 3.0, and an asymmetrical molecular weight distribution skewed toward the high molecular weight end. Also disclosed is a process which comprises (1) incorporating into an ink jet printing apparatus a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730, a polydispersity of from about 1.03 to about 3.0, and an asymmetrical molecular weight distribution skewed toward the high molecular weight end; (2) melting the ink; and (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.

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Copending U.S. Appl. No. 11/197,600, filed Aug. 4, 2005, entitled “Processes for Preparing Phase Change Inks”, with the named inventors Frank P. Lee, Raymond W. Wong, and Sheau Van Kao.
Copending U.S. Appl. No. 11/126,745, filed May 11, 2005, entitled “Method of Purification of Polyalkylene Materials,” by San-Ming Yang et al.
Copending U.S. Appl. No. 11/291,055, filed Nov. 30, 2005, entitled “Phase Change Inks,” by Bo Wu et al.
Copending U.S. Appl. No. 11/290,263, filed Nov. 30, 2005, entitled “Phase Change Inks,” by Bo Wu et al.
Copending U.S. Appl. No. 11/291,056, filed Nov. 30, 2005, entitled “Colorant Compounds,” by Jeffery H. Banning et al.
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English abstract for German Patent Publication DE 4205636AL.
English abstract for German Patent Publication DE 4205713AL.

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