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. 23, 2018

Filed:

Nov. 21, 2016
Applicants:

Toyo Ink SC Holdings Co., Ltd., Chuo-ku, JP;

Toyo Ink Co., Ltd., Chuo-ku, JP;

Inventors:

Yukitoshi Takahashi, Tokyo, JP;

Norio Suzuki, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C09D 11/322 (2014.01); C09D 11/36 (2014.01); C09D 11/101 (2014.01); C09D 11/104 (2014.01); C09D 135/02 (2006.01); C08K 3/22 (2006.01); C08K 9/02 (2006.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); C09D 11/101 (2013.01); C09D 11/104 (2013.01); C09D 11/36 (2013.01); C09D 135/02 (2013.01); C08K 9/02 (2013.01); C08K 2003/2241 (2013.01); C08K 2201/003 (2013.01);
Abstract

To provide an ink-jet white ink of active energy ray-curable type, wherein the white ink has high printing stability and good hiding property, and is particularly suitable for printing on the single-pass ink-jet printing system. An ink-jet white ink of active energy ray-curable type, comprising titanium oxide, a pigment dispersant, and a polymerizable compound, wherein the content of the titanium oxide is from 15 to 30% by weight with reference to the total weight of the ink, and wherein the weight average particle diameter of the titanium oxide is 180 to 250 nm. In an embodiment of the ink, the titanium oxide is titanium oxide that surface is treated with silica and the pigment dispersant comprises a basic dispersant.


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