Title:
WATER COLOR INK HAVING METALLIC LUSTER FOR BALL-POINT PENS
Document Type and Number:
WIPO Patent Application WO/1994/017146
Kind Code:
A1
Abstract:
Water color ink having metallic luster for ball-point pens, in which the deterioration of the ink, such as the precipitation of aluminum powder does not occur even when the ink is stored for a long period of time, this ink enabling continuous writing. This ink consists of aluminum powder, viscosity increasing natural polysaccharide or its derivative, a water soluble organic solvent and water, and has a viscosity of 100-1500 poise (ST rotor of E-type viscometer, 1 rpm, 25 �C), and a ratio of viscosity at 1 rpm to that at 10 rpm of not less than 3.0.
Inventors:
MIYASHITA HIROSHI (JP)
MATSUDA SACHIKO (JP)
OKABE EIICHI (JP)
MATSUDA SACHIKO (JP)
OKABE EIICHI (JP)
Application Number:
PCT/JP1994/000108
Publication Date:
August 04, 1994
Filing Date:
January 27, 1994
Export Citation:
Assignee:
PENTEL KK (JP)
MIYASHITA HIROSHI (JP)
MATSUDA SACHIKO (JP)
OKABE EIICHI (JP)
MIYASHITA HIROSHI (JP)
MATSUDA SACHIKO (JP)
OKABE EIICHI (JP)
International Classes:
C09D11/18; (IPC1-7): C09D11/18
Foreign References:
| JPS59172565A | 1984-09-29 | |||
| JPH03250074A | 1991-11-07 | |||
| JPH02279777A | 1990-11-15 |
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