Title:
INKJET AQUEOUS INK COMPOSITION, METHOD FOR INHIBITING FADING OF PRINTED IMAGE ON SOLID PREPARATION, AND SOLID PREPARATION
Document Type and Number:
WIPO Patent Application WO/2018/116645
Kind Code:
A1
Abstract:
Provided are: an inkjet aqueous ink composition with which it is possible to inhibit fading and discoloration of printed images on the surfaces of solid preparations such as medicine or food; a method of inhibiting fading of printed images on solid preparations; and a solid preparation. This inkjet aqueous ink composition is used for printing on solid preparations, and is characterized in that: the aqueous ink composition comprises an edible dye and a fading inhibitor; the dye includes at least one specific dye selected from the group consisting of Red No. 2, Red No. 4, Red No. 40, Red No. 102, Yellow No. 4, Yellow No. 5, Green No. 3, Blue No. 1, and sodium copper chlorophyllin, and another dye as an optional component; the fading inhibitor is at least one selected from the group consisting of monosaccharides, disaccharides, dextrins, and sugar alcohols; and the content of the fading inhibitor with respect to the total mass of the aqueous ink composition is 50% by mass or less.
Inventors:
ENOMOTO YUTO (JP)
MORIKAWA SOICHIRO (JP)
MORIKAWA SOICHIRO (JP)
Application Number:
PCT/JP2017/039419
Publication Date:
June 28, 2018
Filing Date:
October 31, 2017
Export Citation:
Assignee:
SCREEN HOLDINGS CO LTD (JP)
International Classes:
C09D11/328; B41J2/01; B41M5/00; C09D11/38
Domestic Patent References:
| WO2016117515A1 | 2016-07-28 | |||
| WO2016117518A1 | 2016-07-28 |
Foreign References:
| JP2012111824A | 2012-06-14 | |||
| JP2011236279A | 2011-11-24 | |||
| JP2006523751A | 2006-10-19 | |||
| JP2009203395A | 2009-09-10 | |||
| JP2012051114A | 2012-03-15 | |||
| JP2015081315A | 2015-04-27 |
Attorney, Agent or Firm:
KOYAMA Yasushi (JP)
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