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US 5,219,625 AGranted
Thermochromic laminate member and toy utilizing the same
AssigneeThe Pilot Ink Co., Ltd.
InventorsNobuaki Matsunami, Hiroshi Inagaki
Life of this patent
Estimating the term…
Abstract
A thermochromic laminate member comprises a thin transparent iridescent film laminated on a thermochromic layer 2, and exhibits rainbow-color pattern. The thermochromic layer shows reversible change between a first colored state and a second colored state by a temperature change.
Claims4
A thermochromic laminate member comprising a thermochromic layer and a thin transparent iridescent layer laminated thereon.
Dependencies are inferred from the claim text.