Patent · US Active

Phase change inks

US7381254B2 · kind B2 · utility

13Cited by
15References
88Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2005
Grant dateJun 3, 2008
Priority date
Expiry dateSep 6, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/34
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

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 and a polydispersity of from about 1.0001 to about 1.500. 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 and a polydispersity of from about 1.0001 to about 1.500; (2) melting the ink; and (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.