Patent · US Expired

Magenta and yellow dye set for imaging systems

US5679140A · kind A · utility

14Cited by
11References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1996
Grant dateOct 21, 1997
Priority date
Expiry dateAug 20, 2016

Classification

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

Abstract

The invention provides a dye set comprising a magenta dye, a yellow dye, and a cyan dye wherein the normalized spectral transmission density distribution curve of the magenta dye has a density between 0.25 and 0.93 at 520 nm, a density between 0.9 and 1.0 at 540 nm, and a density between 0.9 and 1.0 at 560 nm and the yellow dye has a density between 0.9 and 1.0 at 450 nm and a density between 0.8 and 1.0 at 470 nm. Such a dye set enables an increase in the color gamut obtainable for imaging.

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