Oil ink composition
AssigneeMitsubishi Pencil Company, Limited
InventorsMasanao Yano, Takeshi Yadoiwa, Chie Yanase
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Abstract
Oil ink composition of the present invention having titanium dioxide as pigment, resin and organic solvent contains a compound (A) which has at least one amide group (--CONH--) or amino group (--N<) and a compound (B) selected from phosphoric acid and phosphate compound. The oil ink composition is suitably used for a writing instrument such as a ball-point pen.
Claims8
Oil ink composition comprising titanium dioxide as pigment, resin, organic solvent, a compound (A) which has at least one amide group (--CONH--) or amino group (--N<) and a compound (B) selected from the group consisting of phosphoric acid, pyrophosphoric acid, metaphosphoric acid, polyphosphoric acid, lauryl phosphate, polyoxylpropylene oleyl ether phosphate, polyoxylethylene(4) lauryl ether phosphate, and dipolyoxyethylene nonylphenyl ether phosphate.
Dependencies are inferred from the claim text.