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:
Mar. 31, 2020
Filed:
Jul. 12, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Minako Kawabe, Koganei, JP;
Kouhei Nakagawa, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an ink jet recording method by which the decrease of degassing efficiency is suppressed even after images are recorded for a long period of time in a case where the degassing is performed while circulating an ink in an ink circulation system. An ink jet recording method recording an image on a recording medium by ejecting an ink from a recording head by using an ink jet recording apparatus equipped with an ink storage portion for storing the ink, the recording head for ejecting the ink, a unit for circulating the ink in an ink circulation system arranged between the ink storage portion and the recording head and a unit for degassing the ink circulating in the ink circulation system, the ink being an aqueous ink containing a pigment dispersed by an action of an anionic group, a resin particle and a specific water-soluble organic solvent.