Patent · US Expired

Water-based ink and preparing method thereof

US6825247B2 · kind B2 · utility

3Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 2002
Grant dateNov 30, 2004
Priority date—
Expiry dateJul 12, 2022

Classification

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

Abstract

A water-based ink comprising colored particles, which comprise a dye and a polymer having an acetal group.

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