Title:
WATER-BASED INK FOR BALL-POINT PEN
Document Type and Number:
Japanese Patent JPS61106683
Kind Code:
A
Abstract:
PURPOSE: A water-based ink for ball-point pen with excellent lubricity and giving a feeling of smoothness in writing, prepd. by additionally compounding a humic acid salt with a conventional ball-point ink compsn.
CONSTITUTION: About 1W15wt% water-soluble dye, about 10W40wt% water-soluble org. solvent, about 50W80wt% water, a primary solvent and about 0.01W3wt% humic acid salt, each based on the total wt. of the ink, are mixed and dissolved, if necessary, by heating to obtain a water-based ink for a ball- point pen. A sodium, potassium, ammonium or the ink salt may be used as the humic acid salt.
Inventors:
HAMAMOTO HIDETOSHI
Application Number:
JP22838684A
Publication Date:
May 24, 1986
Filing Date:
October 30, 1984
Export Citation:
Assignee:
PENTEL KK
International Classes:
C09D11/00; C09D11/16; C09D11/17; C09D11/18; (IPC1-7): C09D11/18
Domestic Patent References:
| JPS578272A | 1982-01-16 |