Patent · US Expired

Ink-jet printing

US5102448A · kind A · utility

10Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 1989
Grant dateApr 7, 1992
Priority date
Expiry dateNov 21, 2009

Classification

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

Abstract

A method of printing in which a solid ink composition is melted and ejected from a small orifice in the form of small drops directed towards a substrate on which an image is to be formed, characterized in that the solid ink composition comprises either a solution or a dispersion of a dye or a finely divided pigment in a halogenated hydrocarbon having a melting point of at least 50.degree. C. ("Ink A"), or a colored condensation polymer obtained by reacting a polymerizable lactone or a hydroxyalkanoic acid with a dye containing at least one active hydrogen atom ("Ink B").

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