Title:
可食性顔料組成物
Document Type and Number:
Japanese Patent JP6912340
Kind Code:
B2
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
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Inventors:
Soichiro Morikawa
Yoshihisa Fujimori
Yoshihisa Fujimori
Application Number:
JP2017185550A
Publication Date:
August 04, 2021
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 | ||||
| JP2007022972A |
Foreign References:
| WO2017029866A1 |
Attorney, Agent or Firm:
Yasushi Koyama