Title:
ELECTROCOAGULATION PRINTING INK AND ITS USE
Document Type and Number:
WIPO Patent Application WO/2001/036548
Kind Code:
A1
Abstract:
An improved electrocoagulation printing ink comprising acetylene glycol-based surfactant, an electrocoagulable polymer, a coloring agent, a soluble electrolyte and a liquid medium. The printing ink is capable of being removed with ease from the surface of a positive cylindrical electrode in continuous printing and free from the occurrence of a unfavorable spot-like stain in the part having no images of a printed matter. A printed matter which is free from the lowering of quality by a spot-like stain in an unprinted part thereof, and an electrocoagulation printing method for providing such a printed matter are also disclosed.
Inventors:
NIZUMA MASAMI (JP)
KUMADA HIDEAKI (JP)
KAWASHIMA HIROYUKI (JP)
KUMADA HIDEAKI (JP)
KAWASHIMA HIROYUKI (JP)
Application Number:
PCT/JP1999/006430
Publication Date:
May 25, 2001
Filing Date:
November 18, 1999
Export Citation:
Assignee:
TOYO INK MFG CO (JP)
NIZUMA MASAMI (JP)
KUMADA HIDEAKI (JP)
KAWASHIMA HIROYUKI (JP)
NIZUMA MASAMI (JP)
KUMADA HIDEAKI (JP)
KAWASHIMA HIROYUKI (JP)
International Classes:
B41C1/10; C09D11/02; C09D11/033; C09D11/037; C09D11/52; B41M5/20; (IPC1-7): C09D11/02; B41M5/20
Domestic Patent References:
| WO1996018507A1 | 1996-06-20 |
Foreign References:
| JPH11323227A | 1999-11-26 | |||
| EP0437318A1 | 1991-07-17 | |||
| EP0592774A2 | 1994-04-20 | |||
| JPH11138984A | 1999-05-25 | |||
| US4895629A | 1990-01-23 | |||
| US5538601A | 1996-07-23 | |||
| US5693206A | 1997-12-02 |
Other References:
See also references of EP 1153993A4
Attorney, Agent or Firm:
Miyoshi, Hidekazu (Toranomon 1-chome Minato-ku, Tokyo, JP)
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