Title:
FLUORESCENT COMPOSITION, INK COMPOSITION, AND PRINTED MATTER
Document Type and Number:
WIPO Patent Application WO/2001/005907
Kind Code:
A1
Abstract:
A fluorescent composition with excellent light resistance comprising a base material and a particulate organic fluorescent dye which has a particle diameter of 10 to 2,000 nm and is excited by ultraviolet to emit a light in the visible region; and an ink composition comprising this fluorescent composition and a solvent. With this ink composition, a desired mark can be printed on an article without impairing its appearance. The printed mark can be detected with high sensitivity over long. Furthermore, this ink composition is safe for the human body, and there are no particular limitations on the environment in which the composition is used.
Inventors:
FUKUSHIMA NORIAKI (JP)
YAMAMOTO YOSHINORI (JP)
MITSUHASHI HIROYUKI (JP)
YAMADA YUKINORI (JP)
NISHIMOTO TOMOHISA (JP)
YAMAMOTO YOSHINORI (JP)
MITSUHASHI HIROYUKI (JP)
YAMADA YUKINORI (JP)
NISHIMOTO TOMOHISA (JP)
Application Number:
PCT/JP2000/004790
Publication Date:
January 25, 2001
Filing Date:
July 17, 2000
Export Citation:
Assignee:
HITACHI MAXELL (JP)
FUKUSHIMA NORIAKI (JP)
YAMAMOTO YOSHINORI (JP)
MITSUHASHI HIROYUKI (JP)
YAMADA YUKINORI (JP)
NISHIMOTO TOMOHISA (JP)
FUKUSHIMA NORIAKI (JP)
YAMAMOTO YOSHINORI (JP)
MITSUHASHI HIROYUKI (JP)
YAMADA YUKINORI (JP)
NISHIMOTO TOMOHISA (JP)
International Classes:
C09D11/00; C09K11/06; (IPC1-7): C09K11/06; C09D11/02
Domestic Patent References:
| WO1997010307A1 | 1997-03-20 |
Foreign References:
| JPH08239610A | 1996-09-17 | |||
| JPH1017571A | 1998-01-20 |
Attorney, Agent or Firm:
Aoyama, Tamotsu (Shimori 1-chome Chuo-ku, Osaka-shi Osaka, JP)
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