Title:
YELLOW COMPOUND AND WATER-BASED INK-JET RECORDING INK CONTAINING THE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2001/009256
Kind Code:
A1
Abstract:
A water-based ink-jet recording ink which comprises as major components a water-insoluble dye, water, and a resin and is in the form of an emulsion, characterized by containing at least one yellow dye selected from the group consisting of quinophthalone compounds represented by general formula (1) and pyridone azo compounds represented by general formula (2). It is excellent in light resistance and storage stability. Especially when used as an ink-jet recording ink, the water-based ink can form a high-quality image free from blurring. The image recorded has excellent water resistance.
Inventors:
MATSUZAKI YORIAKI (JP)
OKUMA TADASHI (JP)
OI RYU (JP)
KOHGO OSAMU (JP)
OKUMA TADASHI (JP)
OI RYU (JP)
KOHGO OSAMU (JP)
Application Number:
PCT/JP2000/004973
Publication Date:
February 08, 2001
Filing Date:
July 26, 2000
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
MATSUZAKI YORIAKI (JP)
OKUMA TADASHI (JP)
OI RYU (JP)
KOHGO OSAMU (JP)
MATSUZAKI YORIAKI (JP)
OKUMA TADASHI (JP)
OI RYU (JP)
KOHGO OSAMU (JP)
International Classes:
C09B25/00; C09B29/42; C09D11/00; (IPC1-7): C09D11/00; C09B25/00; C09B29/42
Foreign References:
| JPH11131000A | 1999-05-18 | |||
| EP0061667A1 | 1982-10-06 | |||
| JPH0834933A | 1996-02-06 | |||
| JPH0659510A | 1994-03-04 | |||
| EP0749120A1 | 1996-12-18 | |||
| EP0527049A1 | 1993-02-10 | |||
| DE2210168A1 | 1973-09-06 |
Other References:
See also references of EP 1125990A4
Attorney, Agent or Firm:
Mogami, Shotaro (Akasaka 1-chome Minato-ku, Tokyo, JP)
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