Title:
ボールペン
Document Type and Number:
Japanese Patent JP6706289
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a water-based ink composition for a writing instrument excellent in ink temporal stability, pigment dispersibility and metallic luster properties, and to provide a writing instrument using the same.SOLUTION: There is provided a water-based ink composition for a writing instrument containing at least water, a solvent, an aluminum pigment, an acid resin having a carboxyl group, and two or more kinds of pH modifiers, and having pH of 7 to 10.
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Inventors:
Yoshifumi Ono
Kazuhiko Akiyama
Suzuki Nobuko
Kazuhiko Akiyama
Suzuki Nobuko
Application Number:
JP2018122930A
Publication Date:
June 03, 2020
Filing Date:
June 28, 2018
Export Citation:
Assignee:
Pilot Corporation Co., Ltd.
International Classes:
C09D11/18; B43K1/08; B43K7/00; C09C1/40
Domestic Patent References:
| JP11028887A | ||||
| JP11302587A | ||||
| JP2009197235A | ||||
| JP11048674A | ||||
| JP2004098492A | ||||
| JP2003118284A |