O/W TYPE EMULSION INK COMPOSITION FOR BALLPOINT PENS
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United States of America Patent
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Issued Date -
Jul 19, 2012
app pub date -
Sep 28, 2010
filing date -
Sep 29, 2009
priority date (Note) -
Abandoned
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Abstract
An Object of the present invention is to, provide an ink composition for a ballpoint pen which shows no offset of writing, offers writing with an excellent water resistance, and provides an excellent writing feeling. The present invention is an ON type emulsion ink composition for a ballpoint pen, comprising (A) an oil-based ink component comprising at least an oil-soluble dye as a colorant and an organic solvent capable of dissolving the dye and having a solubility of 5 g or less in 100 g of water at 20° C., (B) an emulsifier component comprising at least a polyglycerin fatty acid ester having an HLB of 8 or less, an acyllactic acid salt having 8 or more carbon atoms, and an organic amine compound, and (C) water, the components (A) and (B) being emulsified and dispersed in the water (C).
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