Patent · US Active

Ink jet inks having IR-absorbing dye

US10767064B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

Agfa NV · BE

Inventors

Johan Loccufier · Zwijnaarde, BE
Ellen Bertels · Mortsel, BE

Key dates

Filing date	Oct 12, 2017
Grant date	Sep 8, 2020
Priority date	—
Expiry date	Oct 12, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J11/00216
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An ink jet ink includes water, a water-soluble organic solvent, a resin, and an anionic heptamethine cyanine dye including a substituted or unsubstituted five or six membered ring in the heptamethine chain, the dye having a maximum absorption between 800 and 1200 nm to increase drying speed and improve image quality when dried with NIR or CIR dryers.

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