Title:
油性インキ組成物、筆記具およびそれに用いる染料
Document Type and Number:
Japanese Patent JP4698122
Kind Code:
B2
Abstract:
An ink composition comprising at least one triarylmethane-based dye as a coloring material, an alcohol having 2 or more carbon atoms, a polyhydric alcohol or a glycol ether as a solvent, and a resin which can dissolve in the solvent, the triarylmethane-based dye comprising a compound represented by the following formula : [C(-Ar-Y)3]A wherein each Ar is independently an aryl group substituted, or not substituted, by a halogen or an alkyl group, each Y is independently a diethyl-amino group or hydrogen, provided that at least two Y are a diethylamino group, A is a halogen or an organic acid group, and A is charge-balanced to the residue.
Inventors:
Hidetoshi Ichikawa
Takayuki Inokai
Takayuki Inokai
Application Number:
JP2002529222A
Publication Date:
June 08, 2011
Filing Date:
September 18, 2001
Export Citation:
Assignee:
MITSUBISHI PENCIL CO.,LTD.
International Classes:
C09D11/17; C09B11/00; C09B11/12; C09B29/085; C09B29/15; C09B35/18; C09B69/02; C09B69/06; C09D11/16; C09D11/18
Domestic Patent References:
| JP2001240764A | 2001-09-04 | |||
| JPH11158421A | 1999-06-15 | |||
| JPH04218575A | 1992-08-10 | |||
| JPH02202555A | 1990-08-10 | |||
| JPS63120768A | 1988-05-25 | |||
| JPH0971745A | 1997-03-18 |
Attorney, Agent or Firm:
Takashi Ishida
Jun Tsuruta
Tetsuji Koga
Masaya Nishiyama
Higuchi Souji
Jun Tsuruta
Tetsuji Koga
Masaya Nishiyama
Higuchi Souji