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:
Jun. 01, 2021

Filed:

Jun. 26, 2019
Applicants:

Ryota Iwasaki, Kanagawa, JP;

Ryo Miyakoshi, Kanagawa, JP;

Yuya Hirokawa, Kanagawa, JP;

Inventors:

Ryota Iwasaki, Kanagawa, JP;

Ryo Miyakoshi, Kanagawa, JP;

Yuya Hirokawa, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/36 (2014.01); B41J 11/00 (2006.01); B41M 5/00 (2006.01); C08F 212/08 (2006.01); C08F 220/12 (2006.01); C09D 11/033 (2014.01); C09D 11/107 (2014.01);
U.S. Cl.
CPC ...
C09D 11/36 (2013.01); B41J 11/002 (2013.01); B41M 5/0023 (2013.01); C08F 212/08 (2013.01); C08F 220/12 (2013.01); C09D 11/033 (2013.01); C09D 11/107 (2013.01); C08F 2800/20 (2013.01);
Abstract

An ink includes a coloring material, an acrylic resin particle, an organic solvent, and water, wherein a solid dry film of the ink has a breaking elongation ratio of 50 percent or more, a storage elastic modulus G' of 1.0×10Pa or more at 50 degrees C., and a swelling ratio of 40 percent or less to ethylacetate.


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