Patent · US Expired

Addition of metal ions to improve lightfastness of inkjet inks

US6780912B2 · kind B2 · utility

0Cited by
14References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2001
Grant dateAug 24, 2004
Priority date—
Expiry dateFeb 26, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/30
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An additive for a fixer for inkjet printing. A metal salt is added to the fixer formulation to increase lightfastness of the printed ink.

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