EP 1854515 B1 20091111 - Color-changing puzzle
Title (en)
Color-changing puzzle
Title (de)
Farbverändernde Puzzlevorrichtung
Title (fr)
Puzzle permettant de changer la couleur
Publication
Application
Priority
- JP 2006132054 A 20060511
- JP 2006004917 U 20060622
Abstract (en)
[origin: EP1854515A1] The present invention provides (s) an aqueously color-changing puzzle. The aqueously color-changing puzzle is rich in convenience capable of easily changing the color by wetting and in durability, further is widely applicable. The puzzle piece includes a substrate(2), a water resistant resin layer(3) on the substrate(2), a porous layer(4) on the water resistant resin layer(3). The porous layer(4) is made of a dispersion system of a low refractive-index pigment in a binder resin so that the transparency of the porous layer may differ between in the liquid-absorbing state and in the non-liquid absorbing state.
IPC 8 full level
A63F 9/10 (2006.01)
CPC (source: EP)
A63F 9/10 (2013.01); A63F 2250/0442 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1854515 A1 20071114; EP 1854515 B1 20091111; AT E448013 T1 20091115; DE 602006010332 D1 20091224; HK 1108400 A1 20080509
DOCDB simple family (application)
EP 06023751 A 20061115; AT 06023751 T 20061115; DE 602006010332 T 20061115; HK 08102368 A 20080303