Patent · US Expired

Ink-jet printing ink

US5092926A · kind A · utility

16Cited by
11References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 3, 1989
Grant dateMar 3, 1992
Priority date
Expiry dateOct 3, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/328
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink-jet printing ink composition which has high printing stability after long periods of time and at high temperatures is provided. The ink-jet printing ink composition is an aqueous ink having a nitrite ion concentration between about 0.2 to 10 parts per million (ppm) in order to lower the concentration of dissolved gas in the ink.

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