Invention Grant
- Patent Title: Oil-based white ink jet recording composition and process for producing the same
- Patent Title (中): 油性白色喷墨记录组合物及其制造方法
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Application No.: US12593108Application Date: 2008-03-26
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Publication No.: US08440744B2Publication Date: 2013-05-14
- Inventor: Yukio Sugita , Mitsuyoshi Tamura , Mitsuteru Yamada , Fumie Yamazaki , Tamayo Okahira
- Applicant: Yukio Sugita , Mitsuyoshi Tamura , Mitsuteru Yamada , Fumie Yamazaki , Tamayo Okahira
- Applicant Address: JP Yokohama-Shi
- Assignee: The Inctec Inc.
- Current Assignee: The Inctec Inc.
- Current Assignee Address: JP Yokohama-Shi
- Agency: Burr & Brown
- Priority: JP2007-088871 20070329; JP2007-088901 20070329
- International Application: PCT/JP2008/055663 WO 20080326
- International Announcement: WO2008/126675 WO 20081023
- Main IPC: A61Q19/00
- IPC: A61Q19/00 ; B01F17/00 ; B60C1/00 ; C08J3/00 ; C08K3/10 ; C08K3/18

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.
Public/Granted literature
- US20100105807A1 OIL-BASED WHITE INK JET RECORDING COMPOSITION AND PROCESS FOR PRODUCING THE SAME Public/Granted day:2010-04-29
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