| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an outstanding oily ball-point pen ink in which even carrying out prolonged storage, connecting with oxygen in air involved in from small openings at the time of writing, and the oxygen is consumed, effect of eliminating air which is collected into ink is maintained, and thin spot does not arise at the time of writing. <P>SOLUTION: The oily ink for a ball-point pen at least includes a colorant, ascorbic acid, tocol, polyphenol, pyridoxine, benzene which has 1 to 3 hydroxy groups which directly bond to an aromatic ring (except for phenol), toluene, a mixture of one sort or two sorts or more chosen from anisole and these derivatives, and polyoxyethylene curing castor oil or polyoxyethylene castor oil. <P>COPYRIGHT: (C)2012,JPO&INPIT |
