INKJET RECORDING BLACK INK AND METHOD OF INKJET RECORDING

Title:

INKJET RECORDING BLACK INK AND METHOD OF INKJET RECORDING

Document Type and Number:

WIPO Patent Application WO/2004/029166

Kind Code:

A1

Abstract:

An inkjet recording black ink that even after aging, exhibits excellent discharge stability and is excellent in weatherability. In particular, an inkjet recording black ink comprising a water base medium containing a dye whose &lgr _max of absorption spectrum in an aqueous solution is in the range of 500 to 700 nm and whose normalized half-value width is 100 nm or greater. Further addition of a dye whose &lgr _maxis in the range of 350 to 500 nm to the above dye enables obtaining a water base ink that excels in weatherability, etc.

Inventors:

TAGUCHI TOSHIKI (JP)
OZAWA TAKASHI (JP)
AONO TOSHIAKI (JP)
YABUKI YOSHIHARU (JP)
CHINO TOMOHIRO (JP)

Application Number:

PCT/JP2003/008375

Publication Date:

April 08, 2004

Filing Date:

July 01, 2003

Export Citation:

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Assignee:

FUJI PHOTO FILM CO LTD (JP)
TAGUCHI TOSHIKI (JP)
OZAWA TAKASHI (JP)
AONO TOSHIAKI (JP)
YABUKI YOSHIHARU (JP)
CHINO TOMOHIRO (JP)

International Classes:

C09D11/00; (IPC1-7): C09D11/00; B41M5/00; B41J2/01

Foreign References:

JP2002167529A	2002-06-11
EP0597672A2	1994-05-18
JPH02233782A	1990-09-17

Other References: