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Patent Searching and Data


Title:
INK COMPOSITION FOR OILY BALL POINT PEN
Document Type and Number:
Japanese Patent JP2019026838
Kind Code:
A
Abstract:
To provide an ink composition for oily ball point pen, in which aggregation of a coloring agent is suppressed even under low temperature and high temperature conditions, a phenomenon of blur at the beginning of writing is prevented and good writing feeling is obtained without generation of line skipping nor blur in handwriting when used for ball point pens.SOLUTION: There is provided an ink composition for oily ball point pen containing a medium containing alcohol or glycol ether; a resin dissolved in the medium; and a monoazo-based coloring agent having a prescribed structure.SELECTED DRAWING: None

Inventors:
SHINDO TAICHI
KATSUMOTO YUKO
SHIROTA KINU
SANTO TAKESHI
Application Number:
JP2018138786A
Publication Date:
February 21, 2019
Filing Date:
July 24, 2018
Export Citation:
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Assignee:
CANON KK
International Classes:
C09D11/18
Domestic Patent References:
JPH0820669A1996-01-23
JP2014062241A2014-04-10
JP2017066376A2017-04-06
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa