Patent · US Expired

Dispersant composition used for preparing aqueous pigmented ink for ink-jet

US6838521B2 · kind B2 · utility

3Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 2002
Grant dateJan 4, 2005
Priority date
Expiry dateMar 16, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L35/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a new dispersant composition used for preparing ink for ink-jet, which provides long term fluidity at a fine injection nozzle of ink-jet, shows a stable injection amount, and gives no coagulation of pigment particles when ink for ink-jet is applied.

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