Patent · US Expired

Pigmented ink-jet inks with improved print quality and reliability

US7678844B2 · kind B2 · utility

1Cited by
16References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2004
Grant dateMar 16, 2010
Priority date
Expiry dateSep 24, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/324
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compositions, systems, and methods of printing an ink-jet image are provided. The composition can include a liquid vehicle including water, a liquid vehicle having from 5 wt % to 35 wt % of total organic solvent content; from 1 wt % to 6 wt % of acid-functionalized pigment solids; and from 0.001 wt % to 6 wt % of styrene-maleic anhydride copolymer, said styrene-maleic anhydride copolymer having a weight average molecular weight from about 400 Mw to 15,000 Mw.

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