Patent · US Expired

Aqueous ink composition

US4500355A · kind A · utility

63Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1983
Grant dateFeb 19, 1985
Priority date
Expiry dateSep 28, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/328
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An aqueous ink composition for general use and for ink-jet printing which comprises, as its main components at least one dye selected from the group consisting of a cyan azo dye, a megenta azo dye and a yellow azo dye and a humectant.

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