Title:
MARKING COMPOSITION AND LASER MARKING METHOD
Document Type and Number:
WIPO Patent Application WO/1996/000262
Kind Code:
A1
Abstract:
A marking composition comprising an energetic ray curing resin which gives a vivid coloration on laser beam irradiation, a leuco dye which is lowly soluble in toluene, and a color developer; and a method of laser marking for importing a vivid mark by using the composition.
Inventors:
HAYASHIBARA SHOICHI (JP)
KUDO MASARU (JP)
SHINMOTO MASAKI (JP)
KUDO MASARU (JP)
SHINMOTO MASAKI (JP)
Application Number:
PCT/JP1994/001108
Publication Date:
January 04, 1996
Filing Date:
July 07, 1994
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
HAYASHIBARA SHOICHI (JP)
KUDO MASARU (JP)
SHINMOTO MASAKI (JP)
HAYASHIBARA SHOICHI (JP)
KUDO MASARU (JP)
SHINMOTO MASAKI (JP)
International Classes:
B41M5/28; B41M5/30; B41M5/327; B41M5/333; B41M5/46; C08F2/46; C08K5/00; (IPC1-7): C09D11/10; C08F20/00; C08K5/00; C08L101/00
Foreign References:
| JPS61174276A | 1986-08-05 | |||
| JPS63317571A | 1988-12-26 | |||
| JPH0491172A | 1992-03-24 |
Other References:
See also references of EP 0716135A4
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