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:
Oct. 17, 2017
Filed:
Jul. 05, 2013
Ricoh Company, Ltd., Ohta-ku, JP;
Shosuke Aoai, Kanagawa, JP;
Tsutomu Maekawa, Kanagawa, JP;
Michihiko Namba, Kanagawa, JP;
Shinya Seno, Kanagawa, JP;
Hiroshi Gotou, Shizuoka, JP;
Akihiko Gotoh, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide an image forming method, including applying a pre-treatment liquid on a recording medium including a substrate and a coating layer at least on one surface of the substrate, wherein the pre-treatment liquid is applied on a surface of the recording layer with the coating layer; drying the recording medium on which the pre-treatment liquid has been applied; and forming an image on the recording medium after drying by discharging a water-based ink by inkjet method, wherein the pre-treatment liquid includes a water-soluble cationic polymer, an ammonium salt of an organic acid and water, and wherein the water-based ink includes water and negatively charged colored particles including a colorant.