Patent · US Active

Ink, ink cartridge and ink jet recording method

US8814341B2 · kind B2 · utility

9Cited by
51References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2013
Grant dateAug 26, 2014
Priority date
Expiry dateMay 10, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/0046
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Provided is an ink capable of recording an image that is excellent in ozone resistance, hardly causes blurring or color change even in a high-humidity environment, and is excellent in humidity resistance. The ink includes a coloring material and a lithium ion. The coloring material includes a compound represented by the following general formula (I) and a content of the lithium ion in the ink is 3.5 times or more in terms of molar ratio with respect to a content of the compound represented by the general formula (I).

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