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Oil-base ballpoint ink composition and oily ballpoint pens

  • US 20050207824A1
  • Filed: 01/28/2003
  • Published: 09/22/2005
  • Est. Priority Date: 02/04/2002
  • Status: Active Grant
First Claim
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1. An oil-based ballpoint ink composition comprising, as the main solvent, a solvent represented by the following chemical structural formula:

  • embedded image (wherein R1, R2 and R3 each is independently H or CH3) and further containing at least one or more surfactant selected from the group consisting of;

    a polyoxyethylene alkyl ether, a fatty acid polyoxyethylene alkyl ether, a polyethylene glycol fatty acid ester, a polyoxyethylene glycerin fatty acid ester, and a polyoxyethylene sorbitan fatty acid ester.

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