Patent · US Active

Method of ejecting solvent-based ink composition comprising pyrrolidinone solvent

US8376541B2 · kind B2 · utility

1Cited by

16References

15Claims

0Family size

Assignee

Zamtec Ltd · IE

Inventors

Alexander Grant · London, GB
Simon Fielder · Sydney, AU
Damon Donald Ridley · Sydney, AU
Kia Silverbrook · Sydney, AU

Key dates

Filing date	Sep 11, 2009
Grant date	Feb 19, 2013
Priority date	—
Expiry date	Feb 22, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D11/36
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method of ejecting ink from a thermal inkjet printhead. The method includes the steps of: (i) supplying an ink to at least one nozzle chamber of the printhead; and (ii) actuating a heater element in the nozzle chamber and heating the ink to a temperature sufficient to form a bubble therein, thereby causing the ink to be ejected from a nozzle opening associated with the nozzle chamber. The ink is a solvent-based ink composition including: (a) 20-80 wt. % of a compound of formula (A);

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