OIL-BASED INK FOR BALLPOINT PEN

PROBLEM TO BE SOLVED: To provide an oil-based ink for ballpoint pens, which prevents clogging due to the sedimentation of a pigment with time even if the pigment is used as a colorant. SOLUTION: The oil-based ink for ballpoint pens comprises at least a pigment, a copolymer having a constitutive unit...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAGISHI IKUO, YASUIKE KIYONORI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an oil-based ink for ballpoint pens, which prevents clogging due to the sedimentation of a pigment with time even if the pigment is used as a colorant. SOLUTION: The oil-based ink for ballpoint pens comprises at least a pigment, a copolymer having a constitutive unit comprising at least a monomer having a carboxylic acid group in the molecule, an organic solvent, and a crosslinking-type poly(N-vinyl carboxylic amide). COPYRIGHT: (C)2009,JPO&INPIT