Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonreactant particles of defined size
Patent
1992-07-02
1994-10-04
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonreactant particles of defined size
428324, 428403, 428913, 503200, 503201, 503226, B41M 540
Patent
active
053526490
ABSTRACT:
A thermochromic laminate member capable of reversible change from a metallic luster color to a colorless state, comprises a first layer for regulating the wavelength of reflected light, composed of a metal luster pigment, which consists of natural mica surfacially covered with titanium oxide and has a grain size of 5 to 100 .mu.m, and a film forming material; and
REFERENCES:
patent: 4028118 (1977-06-01), Nakasuji et al.
patent: 4920991 (1990-05-01), Shibahashi et al.
Shibahashi Yutaka
Yasuda Michiyuki
Hess B. Hamilton
The Pilot Ink Co., Ltd.
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