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.
Patent No.:
Date of Patent:
May. 14, 2013
Filed:
Mar. 26, 2008
Yukio Sugita, Yokohama, JP;
Mitsuyoshi Tamura, Yokohama, JP;
Mitsuteru Yamada, Yokohama, JP;
Fumie Yamazaki, Yokohama, JP;
Tamayo Okahira, Yokohama, JP;
Yukio Sugita, Yokohama, JP;
Mitsuyoshi Tamura, Yokohama, JP;
Mitsuteru Yamada, Yokohama, JP;
Fumie Yamazaki, Yokohama, JP;
Tamayo Okahira, Yokohama, JP;
The Inctec Inc., Yokohama-Shi, JP;
Abstract
The present invention is proposed is an oil-based white ink composition for ink jet recording, comprising a white pigment, a glycol ether dialkyl ether compound solvent, a polymeric dispersant, and a specific acrylic resin. The white pigment is formed of titanium oxide fine particles having an average particle diameter of not less than 0.15 μm and not more than 0.25 μm and coated with at least one of aluminum oxide and silicon oxide. The white pigment is further coated with not less than 0.01% by mass and not more than 2.5% by mass of at least one of an SiH-containing polysiloxane and dimethylpolysiloxane.