Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having a color desensitizer
Reexamination Certificate
2005-05-17
2005-05-17
Hess, Bruce (Department: 1774)
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having a color desensitizer
C503S208000, C503S209000
Reexamination Certificate
active
06894001
ABSTRACT:
A functional material is proposed in which by developing colors, the degree of volatilization of a volatile agent can be visually checked, and the color is stabilized. A volatile agent having desensitizing property, a coloring agent, a developer and an embedding material are mixed while heating and melting, and retained on a carrier.
REFERENCES:
patent: 4717710 (1988-01-01), Shimizu et al.
patent: 62-179640 (1987-08-01), None
Saito Hidenao
Taniguchi Koichi
Wang Dazhong
Hess Bruce
Rengo Co. Ltd.
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