Title:
EDIBLE PIGMENT COMPOSITION
Document Type and Number:
Japanese Patent JP2019059848
Kind Code:
A
Abstract:
To provide an edible pigment composition that has a small average dispersion particle size of a pigment and excellent dispersibility, and is applied to an inkjet aqueous ink composition, to allow direct printing by inkjet system to e.g. tablets of pharmaceuticals and foods.SOLUTION: A edible pigment composition has a pigment containing triiron tetroxide, and sodium phosphate. The triiron tetroxide has an average dispersion particle size D50 of 30 nm-300 nm. The triiron tetroxide has a maximum dispersion particle size D99 of less than 500 nm.SELECTED DRAWING: None
Inventors:
MORIKAWA SOICHIRO
FUJIMORI YOSHIHISA
FUJIMORI YOSHIHISA
Application Number:
JP2017185550A
Publication Date:
April 18, 2019
Filing Date:
September 27, 2017
Export Citation:
Assignee:
SCREEN HOLDINGS CO LTD
International Classes:
C09D17/00; B41J2/01; C09D11/322; C09D11/326
Domestic Patent References:
| JP2005533736A | 2005-11-10 | |||
| JP2007022972A | 2007-02-01 |
Foreign References:
| WO2017029866A1 | 2017-02-23 |
Attorney, Agent or Firm:
Yasushi Koyama