Title:
INKJET INK, INK SET, INK CARTRIDGE, INKJET DEVICE, AND RECORD
Document Type and Number:
WIPO Patent Application WO/2017/170231
Kind Code:
A1
Abstract:
Provided are a record comprising an image that is detectable without using UV light, and an inkjet ink, ink set, ink cartridge, and inkjet device that can be advantageously used in manufacturing said record. The inkjet ink according to the present application is characterized in containing particles of an upconverting luminescent material. The particles preferably have an average particle size of 10 nm to 200 nm. The inkjet ink preferably contains 0.1% by mass to 20% by mass of the particles. The inkjet ink is preferably colorless. The particles are preferably constituted by a material containing an inorganic substance.
Inventors:
WATANABE SHOTARO (JP)
SONOYAMA TAKUYA (JP)
SONOYAMA TAKUYA (JP)
Application Number:
PCT/JP2017/012033
Publication Date:
October 05, 2017
Filing Date:
March 24, 2017
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
B41J2/01; C09D11/322; B41M5/00; B42D25/378; G07D7/128
Domestic Patent References:
| WO2004096928A1 | 2004-11-11 |
Foreign References:
| JPH0967531A | 1997-03-11 | |||
| JPH09249834A | 1997-09-22 | |||
| JP2006131667A | 2006-05-25 | |||
| JP2008095104A | 2008-04-24 | |||
| JP2011507982A | 2011-03-10 |
Other References:
See also references of EP 3438211A4
Attorney, Agent or Firm:
WATANABE Kazuaki et al. (JP)
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