Patent · US Expired

Phase change ink composition

US6773496B2 · kind B2 · utility

3Cited by
21References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 15, 2002
Grant dateAug 10, 2004
Priority date
Expiry dateJan 15, 2022

Classification

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

Abstract

An ink suitable for application to a heat resistant substrate and firing to fuse the ink to the substrate, the ink being in a form for ink jet printing and including a carrier material; a pigment; a fusible vitreous agent including particles of less than 10 microns in size, and the carrier having a melting point for phase change of the ink. The pigment includes ceramic pigment particles of less than 10 microns in size and the pigment and fusible vitreous agent are combined in the form of ceramic pigment particles. Dispersant is chemisorbed to these particles.

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