Title:
INK SET
Document Type and Number:
WIPO Patent Application WO/2021/235462
Kind Code:
A1
Abstract:
The present invention relates to an ink set to be used for printing wherein between 100 and 5,000 pL inclusive of ink droplets are discharged. The ink set comprises at least two types of ink, inks A and B. In the CIE L*a*b* color space, the ink A coordinate values (L*
A, a*
A, b*
A) and the ink B coordinate values (L*
B, a*
B, b*
B) fulfill all of conditions 1 to 3. Condition 1: Both coordinate values a*
A and a*
B fall between 5 and 35 inclusive, and both coordinate values b*
A and b*
B fall between 10 and 40 inclusive. Condition 2: The hue angles hA and hB, represented by formulae (II-1) and (II-2), both fall between 40 and 70 degrees inclusive. Condition 3: The chroma difference ΔC, represented by formula (III), falls between 2 and 20 inclusive.
Inventors:
FUKUDA TERUYUKI (JP)
Application Number:
PCT/JP2021/018885
Publication Date:
November 25, 2021
Filing Date:
May 19, 2021
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
A45D34/04; A61K8/00; B41J2/01; B41J2/17; B41M5/00; C09D11/40
Domestic Patent References:
| WO2019073743A1 | 2019-04-18 |
Foreign References:
| JP2005505505A | 2005-02-24 | |||
| JP2018533563A | 2018-11-15 | |||
| JP2018118427A | 2018-08-02 | |||
| JPH10339670A | 1998-12-22 | |||
| JP2017518091A | 2017-07-06 | |||
| US20190231671A1 | 2019-08-01 | |||
| JP2009209289A | 2009-09-17 | |||
| JP2018529395A | 2018-10-11 | |||
| JP2018118427A | 2018-08-02 | |||
| JP2011126978A | 2011-06-30 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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