Title:
LAMINATE, CARD, PASSPORT, MANUFACTURING METHOD THEREOF, AND LASER MARKING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/176856
Kind Code:
A1
Abstract:
A laminate (21) has at least two coloring layers (11A, 11B) that develop different colors, each of the at least two coloring layers (11A, 11B) includes a resin and a coloring agent, and the content of the coloring agent in each of the at least two coloring layers (11A, 11B) is less than 10 parts by mass per 100 parts by mass of the resin.
Inventors:
TEZUKA RIE (JP)
SHIGETOMI KIYOE (JP)
SHIGETOMI KIYOE (JP)
Application Number:
PCT/JP2023/009954
Publication Date:
September 21, 2023
Filing Date:
March 14, 2023
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
B42D15/00; B32B27/18; B41M5/26; B42D25/24; B42D25/41; B32B27/36
Foreign References:
| JPH09248967A | 1997-09-22 | |||
| JP2012143872A | 2012-08-02 | |||
| JPH07228057A | 1995-08-29 | |||
| JP2005138558A | 2005-06-02 |
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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