Patent · US Active

Aqueous inkjet inks

US10767063B2 · kind B2 · utility

0Cited by

9References

13Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Johan Loccufier · Zwijnaarde, BE
Fabienne Goethals · Mortsel, BE
Hubertus Van Aert · Pulderbos, BE
Dirk Kokkelenberg · Sint-Niklaas, BE

Key dates

Filing date	May 18, 2016
Grant date	Sep 8, 2020
Priority date	—
Expiry date	May 18, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41M5/3333
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An aqueous inkjet ink for forming a colour upon heat treatment includes a) an immobilized leuco dye; b) a colour developing agent or colour developing agent precursor; and c) optionally an opthothermal converting agent; wherein the leuco dye is immobilized by being covalently bonded to polymeric particles or by being included in the core of capsules composed of a polymeric shell surrounding a core.

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