Patent · US Expired

Recording liquid

US4661158A · kind A · utility

48Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1985
Grant dateApr 28, 1987
Priority date
Expiry dateMay 10, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B43/16
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A recording liquid mainly comprises a recording agent as an image-forming component and a liquid medium containing at least water and a glycol for dissolving or dispersing the recording agent, characterized in that the recording agent contains at least one of dyes represented by the following general formula (A): ##STR1## wherein M represents one element selected from H, Na, Li and K, and 55 mole % or more of total M given in the general formula (A) is Na, Li or K. The recording liquid may additionally contain a water-soluble organic solvent.

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