Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Color developed by mere decomposition of color-former
Patent
1991-10-02
1993-05-11
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Color developed by mere decomposition of color-former
503209, 503217, 503225, B41M 530
Patent
active
052100650
ABSTRACT:
A color-forming recording material containing:
REFERENCES:
patent: 4398753 (1983-08-01), Asano et al.
Fujita Terunori
Kawai Koji
Kawamura Masato
Kishikawa Keiki
Miki Hisaya
Mitsui Petrochemical Industries Ltd.
Schwartz Pamela R.
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