Patent · US Expired

Cyan ink formulation

US6607589B2 · kind B2 · utility

18Cited by
10References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 2001
Grant dateAug 19, 2003
Priority date—
Expiry dateOct 20, 2021

Classification

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

Abstract

An aqueous inkjet ink and an ink set using such ink, the ink comprising as colorant, a Copper Phthalocyanine (CuPc) dye compound having formula II: wherein (x,y,z)=4.

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