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. 01, 2016
Filed:
Jul. 09, 2014
Koji Katsuragi, Kanagawa, JP;
Koji Katsuragi, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
Provided is an image forming method, including: applying a treatment liquid to a recording medium; and applying a recording ink to the recording medium. The treatment liquid is free from a colorant, and contains an organic acid salt or a cationic resin or both thereof, a water-soluble organic solvent, and water. The water-soluble organic solvent contains one or more selected from sodium poly-γ-glutamate, N-acyl fatty acid-sodium L-glutamate, sodium N-lauroyl-L-aspartate, and a compound represented by General Formula 1 below. The recording ink contains a colorant, a water-soluble organic solvent, a surfactant, a carboxyl group-containing resin, and water.