Title:
FORGERY-PROOF MATERIAL
Document Type and Number:
Japanese Patent JP2006231608
Kind Code:
A
Abstract:
To provide a forgery-proof material which has high forgery-proof effect and enables easy identification of authenticity.
This forgery-proof material (10) comprises not less than two coating objects with multiple color changing properties (14a, 14b and 14c) arranged adjacent to each other on the plane of an identical substrate (12). These coating objects (14a, 14b and 14c) show a varying color tone at a viewing angle of 30 to 60° to an incident light angled -45° to the perpendicular line of the substrate (12) as a reference. Further, the coating objects (14a, 14b and 14c) show an approximate color tone at the viewing angle of -20 to 0°.
Inventors:
WADA MASAYOSHI
KIMURA ASA
KAWAMURA EIJI
FUJISAWA NAOKO
KIMURA ASA
KAWAMURA EIJI
FUJISAWA NAOKO
Application Number:
JP2005047049A
Publication Date:
September 07, 2006
Filing Date:
February 23, 2005
Export Citation:
Assignee:
SHISEIDO CO LTD
NAT PRINTING BUREAU
NAT PRINTING BUREAU
International Classes:
B42D15/10
Attorney, Agent or Firm:
Yuji Iwahashi
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