Patent · US Active

Ink composition, recording method, and recorded article

US8778072B2 · kind B2 · utility

2Cited by
5References
15Claims
0Family size

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Inventors

Key dates

Filing dateMay 25, 2012
Grant dateJul 15, 2014
Priority date
Expiry dateNov 19, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24802
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink composition contains a dye whose free acid is expressed by formula (1), lithium ions, and an aromatic compound having a carboxy group.In formula (1), Q represents a halogen atom, x represents an integer of 2 to 4, and y represents an integer of 1 to 3.

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