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:
Jan. 29, 2019

Filed:

Dec. 14, 2017
Applicants:

Yuta Nakamura, Kanagawa, JP;

Michihiko Namba, Kanagawa, JP;

Masahiro Kido, Kanagawa, JP;

Hiroaki Takahashi, Kanagawa, JP;

Hikaru Kobayashi, Kanagawa, JP;

Naoto Shimura, Tokyo, JP;

Akiko Bannai, Kanagawa, JP;

Shizuka Kohzuki, Kanagawa, JP;

Inventors:

Yuta Nakamura, Kanagawa, JP;

Michihiko Namba, Kanagawa, JP;

Masahiro Kido, Kanagawa, JP;

Hiroaki Takahashi, Kanagawa, JP;

Hikaru Kobayashi, Kanagawa, JP;

Naoto Shimura, Tokyo, JP;

Akiko Bannai, Kanagawa, JP;

Shizuka Kohzuki, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); C09D 11/30 (2014.01); C09D 11/40 (2014.01); C09D 11/102 (2014.01); C09D 11/38 (2014.01); C09D 11/54 (2014.01); C09D 11/322 (2014.01); C11D 7/50 (2006.01);
U.S. Cl.
CPC ...
B41J 2/16552 (2013.01); C09D 11/102 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01); C09D 11/54 (2013.01); C11D 7/5022 (2013.01);
Abstract

A cleaning liquid for rinsing an ink adhering to an article includes water and a first organic solvent, wherein a liquid mixture of the water and the first organic solvent has a Hansen solubility parameter including a hydrogen bond term of 10.0 (cal/cm)or less, wherein the ink includes water, a second organic solvent, a polyurethane resin particle, and a polysiloxane surfactant having an HLB value of 8 or less, wherein the polyurethane resin particle accounts for 5 percent by mass or more of a total amount of the ink.


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