发明授权
US08784546B2 W/O-type emulsion ink composition for writing utensil and writing utensil 有权
W / O型乳液油墨组合物,用于书写用具和书写用具

W/O-type emulsion ink composition for writing utensil and writing utensil
摘要:
A W/O-type emulsion ink composition for a writing tool having an aqueous component dispersed in an oil component, the oil component including a fluorescent coloring agent, and the aqueous component including a fluorescent whitening agent and water.
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