Title:
OIL-BASED INK COMPOSITION FOR WRITING UTENSILS
Document Type and Number:
WIPO Patent Application WO/2023/176735
Kind Code:
A1
Abstract:
An oil-based ink composition for writing utensils according to the present invention contains an aluminum pigment of the non-leafing type, a solvent, and a resin. The surface of the aluminum pigment is an embossed scale-like aluminum pigment of the non-leafing type that expresses interference fringes. The arithmetic mean roughness Ra of a coating film measured under the condition of a measurement range of 2 mm in conformity with JIS B 0601 is 250 Å or more, the coating film being formed by applying the oil-based ink composition for writing utensils to a polystyrene plate to a thickness of 50 μm and drying.
Inventors:
IKAI TAKAYUKI (JP)
Application Number:
PCT/JP2023/009384
Publication Date:
September 21, 2023
Filing Date:
March 10, 2023
Export Citation:
Assignee:
MITSUBISHI PENCIL CO (JP)
International Classes:
B05C17/00; B05B1/26; B43K8/00; C09D11/16
Foreign References:
| JP2007031688A | 2007-02-08 | |||
| JP2003026985A | 2003-01-29 | |||
| JP2005187487A | 2005-07-14 | |||
| JP2010065086A | 2010-03-25 | |||
| JP2020015891A | 2020-01-30 | |||
| JPH02294372A | 1990-12-05 | |||
| JP2021115800A | 2021-08-10 | |||
| JPH08502301A | 1996-03-12 | |||
| JP2000160088A | 2000-06-13 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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