Title:
AQUEOUS PIGMENT-BASED BALL-POINT INK HAVING WHITE COLOR TONE
Document Type and Number:
WIPO Patent Application WO/1998/050473
Kind Code:
A1
Abstract:
An aqueous pigment-based ball-point ink having a white color tone, which has an oil absorption of not more than 25 g/100 g and comprises titanium oxide having an average particle diameter of not more than 400 nm, a water-soluble resin, a thickener, water, and a polar solvent. The ink can give drawings having intense colors, such as a white color or a poster color, independently of the color tone of writing paper, and can hide or retouch drawings printed by a writing instrument, a typewriter, a copying machine or the like.
Inventors:
MIYAMOTO MASARU (JP)
SHINOZUKA MIKI (JP)
KAMAGATA TADASHI (JP)
SHINOZUKA MIKI (JP)
KAMAGATA TADASHI (JP)
Application Number:
PCT/JP1998/002006
Publication Date:
November 12, 1998
Filing Date:
May 06, 1998
Export Citation:
Assignee:
MITSUBISHI PENCIL CO (JP)
MIYAMOTO MASARU (JP)
SHINOZUKA MIKI (JP)
KAMAGATA TADASHI (JP)
MIYAMOTO MASARU (JP)
SHINOZUKA MIKI (JP)
KAMAGATA TADASHI (JP)
International Classes:
C09D11/18; (IPC1-7): C09D11/18
Foreign References:
| JPH07216283A | 1995-08-15 | |||
| JPH0812016A | 1996-01-16 | |||
| JPH08231916A | 1996-09-10 | |||
| JPH08325503A | 1996-12-10 | |||
| JPS63145380A | 1988-06-17 |
Other References:
See also references of EP 0980900A4
Attorney, Agent or Firm:
Fujimoto, Hiromitsu (Sanno Grand Building 3F Room 317, 14-2,
Nagata-cho 2-chom, Chiyoda-ku Tokyo, JP)
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