Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INK, INK-JET INK, IMAGE PRINTING METHOD, INK CARTRIDGE, INK TANK, PRINTING UNIT, INK SET, STICKING-MITIGATING METHOD, IMAGE PRINTER, PRINTING HEAD, AND METHOD FOR AMELIORATING INTERMITTENTLY ISSUING TENDENCY
Document Type and Number:
Japanese Patent JP3969971
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an ink containing a pigment as the coloring material, particularly self-dispersible carbon black, and excellent in ink-jet printing characteristics.
SOLUTION: This ink comprises an aqueous medium and a coloring material essentially comprising self-dispersible carbon black with at least one kind of hydrophilic group either directly or via another kind of atomic group bound to the surface thereof, and also contains ≥0.6 mass%, based on the carbon black, of potassium ion.


Inventors:
Tomonari Watanabe
Koichi Ohsumi
Shinya Sanshin
Application Number:
JP2001188207A
Publication Date:
September 05, 2007
Filing Date:
June 21, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Canon Inc
International Classes:
B41J2/01; B41J2/05; B41J2/14; B41J2/145; B41J2/15; B41J2/16; B41J2/175; B41M5/00; C09C1/56; C09C3/06; C09C3/08; C09D11/00; C09D11/322; C09D11/324; (IPC1-7): C09D11/00; B41J2/01; B41J2/05; B41M5/00; C09C1/56; C09C3/06; C09C3/08
Domestic Patent References:
JP10287837A
JP8003498A
JP10204347A
Foreign References:
WO1998021284A1
Attorney, Agent or Firm:
Akio Miyazaki
Shinichi Iwata
Masaaki Ogata
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki