Patent · US Active

Oil-based white ink for ink jet recording

US7897656B2 · kind B2 · utility

1Cited by
0References
12Claims
0Family size

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Key dates

Filing dateAug 12, 2005
Grant dateMar 1, 2011
Priority date
Expiry dateAug 1, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/36
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.