Patent · US Expired

Phthalocyanine compounds used in inks

US7147698B2 · kind B2 · utility

5Cited by
8References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 19, 2003
Grant dateDec 12, 2006
Priority date
Expiry dateSep 19, 2023

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P5/30
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Ink comprising a compound of Formula (1) and salts thereof: Formula (1) wherein: Pc represents a phthalocyanine nucleus of Formula (2); Formula (2) x is greater than 0 and less than 1.8; y and z are both greater than 0; and the sum of (x+y+z) is 2.4 to 4.5: and a liquid medium. Also an ink-jet printing process, a material printed with an ink of the invention and an ink jet printing cartridge containing an ink of the invention

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