Login| Sign Up| Help| Contact|

Patent Searching and Data


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 c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Okuma, Tadashi c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Ryu OI. c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Kohgo, Osamu c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Application Number:
PCT/JP2000/004973
Publication Date:
February 08, 2001
Filing Date:
July 26, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUI CHEMICALS, INC. (2-5 Kasumigaseki 3-chome Chiyoda-ku, Tokyo, Tokyo, 100-6070, JP)
Matsuzaki, Yoriaki c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Okuma, Tadashi c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Ryu OI. c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Kohgo, Osamu c/o Mitsui, Chemicals (Inc. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
International Classes:
C09B25/00; C09B29/42; C09D11/00; (IPC1-7): C09D11/00; C09B25/00; C09B29/42
Foreign References:
JPH11131000A
EP0061667A1
JPH0834933A
JPH0659510A
EP0749120A1
EP0527049A1
DE2210168A1
Other References:
See also references of EP 1125990A1
Attorney, Agent or Firm:
Mogami, Shotaro (Nagatani City Plaza 201 8-1, Akasaka 1-chome Minato-ku, Tokyo, 107-0052, JP)
Download PDF: