Oil-based white ink for ink jet recording

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C523S161000, C524S497000, C347S100000, C106S031900, C106S031650, C106S031890

Reexamination Certificate

active

07897656

ABSTRACT:
The present invention relates to an ink jet ink which is an oil-based white ink for ink jet recording containing (a) titanium oxide having an average particle size of 0.15 to 0.25 μm, (b) a resin, (c) an organic solvent and (d) a nonionic surfactant, wherein the nonionic surfactant comprises at least one member selected from polyoxyethylene alkyl ethers and polyoxyethylene phenyl ethers. According to the invention, there can be provided an oil-based white ink for ink jet recording which is excellent in ejection stability and in recovery properties after standing for a long period of time.

REFERENCES:
patent: 2003/0199608 (2003-10-01), Kamigaki et al.
patent: 2004/0068031 (2004-04-01), Horie et al.
patent: 2004/0080574 (2004-04-01), Masumi
patent: 2005/0020728 (2005-01-01), Nagaswa et al.
patent: 2005/0192380 (2005-09-01), Horie et al.
patent: 1 114 850 (2001-07-01), None
patent: 60-118767 (1985-06-01), None
patent: 4-187229 (1992-07-01), None
patent: 5-237360 (1993-09-01), None
patent: 5-287214 (1993-11-01), None
patent: 9-176512 (1997-07-01), None
patent: 97-010596 (1995-12-01), None
English abstract of KR 97010596 dated Dec. 22, 1995.

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