Patent · US Active

Ink for ink-jet recording

US7468100B2 · kind B2 · utility

3Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 2007
Grant dateDec 23, 2008
Priority date
Expiry dateDec 7, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/322
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink for ink-jet recording contains a copper phthalocyanine pigment as a colorant, and a benzotriazole compound. The ink further contains a metallic phthalocyanine compound having one or more counter ions, wherein about 2 mol % to about 20 mol % of the counter ions is ammonium ion and/or organic ammonium ion.

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