The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2020
Filed:
Jul. 12, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Satoshi Takebayashi, Tokyo, JP;
Mamiko Kaji, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an ink jet recording method capable of suppressing deterioration in an ejection property which occurs after a protection layer is eluted by an electrochemical reaction. The ink jet recording method includes using an ink jet recording apparatus having a recording head equipped with a heater, a first protection layer and a second protection layer made of a material such as iridium and a unit of causing an electrochemical reaction with the second protection layer as one of electrodes and an ink-mediated conduction site as the other electrode and ejecting the ink from the recording head to record an image on a recording medium, wherein the ink is an aqueous ink containing a pigment, a resin dispersant for dispersing the pigment and a specified chelating agent.