Title:
AQUEOUS INK COMPOSITION FOR BALL-POINT PEN
Document Type and Number:
Japanese Patent JP2014095071
Kind Code:
A
Abstract:
To provide an aqueous ink composition for a ball-point pen capable of writing beautiful characters in which stop, jump and sweep are clear.
Provided is an aqueous ink composition for a ball-point pen comprising polyvinyl alcohol having a polymerization degree of 50 to 2,000 and at least one kind selected from boric acid and its salt, and in which viscosity at a revolution of 50 rpm by a cone plate type rotary viscometer lies in the range of 1 to 50 mPa s at 25°C.
Inventors:
TAKEUCHI YOJI
KOBAYASHI YUSUKE
SAKANE NORIKO
AKAGI TOMOYUKI
KOBAYASHI YUSUKE
SAKANE NORIKO
AKAGI TOMOYUKI
Application Number:
JP2013203136A
Publication Date:
May 22, 2014
Filing Date:
September 30, 2013
Export Citation:
Assignee:
MITSUBISHI PENCIL CO
International Classes:
C09D11/18
Domestic Patent References:
| JP2012097187A | 2012-05-24 | |||
| JPH03190976A | 1991-08-20 | |||
| JP2008106144A | 2008-05-08 | |||
| JP4769081B2 | 2011-09-07 | |||
| JP2000019769A | 2000-01-21 | |||
| JPS6047080A | 1985-03-14 | |||
| JP2000079784A | 2000-03-21 | |||
| JPH11130998A | 1999-05-18 | |||
| JPH09302299A | 1997-11-25 | |||
| JP2002194261A | 2002-07-10 | |||
| JP2007177084A | 2007-07-12 | |||
| JPS54143340A | 1979-11-08 | |||
| JP2012111867A | 2012-06-14 |
Foreign References:
| WO2006129476A1 | 2006-12-07 |
Attorney, Agent or Firm:
Eisuke Fujimoto
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
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