Patent · US Expired

Ink set for ink-jet recording

US6767090B2 · kind B2 · utility

32Cited by
10References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 2002
Grant dateJul 27, 2004
Priority date
Expiry dateFeb 4, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/40
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink jet recording ink set including a plurality of inks, each ink including at least a colorant encapsulating a pigment with a polymer, a penetrating agent and water, wherein the ink set includes a combination of black, yellow, magenta and cyan inks, and wherein the polymer in each of the black, yellow, magenta and cyan inks is a polymer of a polymerizable surface active agent and a monomer, which gives high color density printed image, satisfactory color reproducibility, excellent ejection stability and storage stability.

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