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.

Date of Patent:
Aug. 06, 2024

Filed:

Jul. 01, 2022
Applicants:

Tatsuya Takarada, Kanagawa, JP;

Yuusuke Koizuka, Shizuoka, JP;

Naoto Shimura, Tokyo, JP;

Nozomi Terai, Tokyo, JP;

Yuya Hirokawa, Kanagawa, JP;

Inventors:

Tatsuya Takarada, Kanagawa, JP;

Yuusuke Koizuka, Shizuoka, JP;

Naoto Shimura, Tokyo, JP;

Nozomi Terai, Tokyo, JP;

Yuya Hirokawa, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/32 (2014.01); C09D 11/36 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/32 (2013.01); C09D 11/36 (2013.01); C09D 11/38 (2013.01);
Abstract

An image forming method includes a processing fluid applying step and an ink applying step. The processing fluid applying step involves applying a processing fluid containing a multivalent metal salt, a resin T, a resin Tdifferent from the resin T, and a silicone-based surfactant to a non-permeating base material by an inkjet method, where the processing fluid is free of an organic solvent having a boiling point of 200° C. or higher at normal pressure. The ink applying step involves applying an ink containing a coloring material, an organic solvent, and a resin onto the processing fluid.


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