Title:
MULTILAYER FILM-COATED POWDER AND COLORED ITEM USING THE SAME
Document Type and Number:
Japanese Patent JP2004269792
Kind Code:
A
Abstract:
To provide a multilayer film-coated powder that is capable of enhancing forgery prevention performance, genuineness determination and hilighting effect and provide a colored article using the same.
This composition and the colored article 2 comprise a plurality of multilayer film-coated particles having different spectrophotometric properties and the colored article colored with the composition. In a preferred embodiment, the base particles comprise a mixture of optically transparent particles and opaque ones. Moreover, the opaque particle has preferably magnetic properties.
Inventors:
SHINKO TAKASHI
NAKATSUKA KATSUTO
NAKATSUKA KATSUTO
Application Number:
JP2003065511A
Publication Date:
September 30, 2004
Filing Date:
March 11, 2003
Export Citation:
Assignee:
NITTETSU MINING CO LTD
NAKATSUKA KATSUTO
NAKATSUKA KATSUTO
International Classes:
C09C3/00; B22F1/02; C09C1/00; C09D11/00; C09D11/50; (IPC1-7): C09C3/00; C09C1/00; C09D11/00
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Hamada
Zenichi Soeda
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Hamada
Zenichi Soeda
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