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:
Mar. 14, 2017

Filed:

Nov. 23, 2015
Applicants:

Takashi Okada, Kanagawa, JP;

Hisashi Habashi, Kanagawa, JP;

Tomohiro Inoue, Kanagawa, JP;

Inventors:

Takashi Okada, Kanagawa, JP;

Hisashi Habashi, Kanagawa, JP;

Tomohiro Inoue, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); C09D 11/32 (2014.01); C09D 11/106 (2014.01); C09D 11/322 (2014.01); C09D 11/40 (2014.01);
U.S. Cl.
CPC ...
C09D 11/32 (2013.01); C09D 11/106 (2013.01); C09D 11/322 (2013.01); C09D 11/40 (2013.01);
Abstract

Provided is a white ink, including water, a water-soluble organic solvent, and a colorant including hollow resin particles, wherein the water-soluble organic solvent includes at least one of a monohydric alcohol having a boiling point of 240° C. or lower and a diol having a boiling point of 240° C. or lower, having at least one hydroxyl group bonded to an alkane chain at a site other than terminals of the alkane chain, and having 4 to 6 carbon atoms, and a content of the at least one of the monohydric alcohol and the diol is equal to or greater than 75.0% by mass of a total amount of the water-soluble organic solvent.


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