Title:
PRINTING INK
Document Type and Number:
WIPO Patent Application WO/2021/193435
Kind Code:
A1
Abstract:
Provided is a printing ink containing a modified pigment that has excellent color tone selectivity and is obtained by converting a dye into a lake pigment via an environmentally friendly method that does not use a metal, particularly a metal having a valcence of two or higher. A printing ink according to the present invention includes a modified pigment and a resin, wherein the modified pigment is obtained by converting a dye having at least one among an acidic group and a basic group into a lake pigment by using at least one among an amino acid and a protein.
Inventors:
OOTSUBO TAKAHIKO (JP)
TABETA IKUE (JP)
SEKINE HITOSHI (JP)
NEMOTO KOJI (JP)
YAMAMOTO ATSUSHI (JP)
SATO KAZUHIKO (JP)
TABETA IKUE (JP)
SEKINE HITOSHI (JP)
NEMOTO KOJI (JP)
YAMAMOTO ATSUSHI (JP)
SATO KAZUHIKO (JP)
Application Number:
PCT/JP2021/011396
Publication Date:
September 30, 2021
Filing Date:
March 19, 2021
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
AIST (JP)
AIST (JP)
International Classes:
C09B63/00; C09D11/037; C09D11/08; C09D11/102; C09D11/108
Domestic Patent References:
| WO2020067140A1 | 2020-04-02 |
Foreign References:
| JPS5759969A | 1982-04-10 | |||
| JPS61183362A | 1986-08-16 | |||
| JPS5188519A | 1976-08-03 | |||
| JPS63188363A | 1988-08-03 | |||
| JP2020033495A | 2020-03-05 |
Attorney, Agent or Firm:
TAKAOKA Ryoichi et al. (JP)
Download PDF:
Previous Patent: COMBUSTOR AND GAS TURBINE PROVIDED WITH SAME
Next Patent: ZINC SECONDARY BATTERY AND BATTERY MODULE
Next Patent: ZINC SECONDARY BATTERY AND BATTERY MODULE