Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akio Nakashima0
Hisayoshi Kato0
Date of Patent
June 6, 2006
0Patent Application Number
108192280
Date Filed
April 7, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
On a support, a porous resin layer which is opaque in a water-unabsorbed state and capable of turning transparent in a water-absorbed state is formed, and also a water-repellent resin layer is so provided as to exist in the porous resin layer at its some area or areas in a co-existent state, to make up a water-metachromatic laminate. A novel toy element can be provided in which latent images standing invisible in a normal condition are rendered visible by means of water as a medium so as to be visually distinguished.
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