Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1993-07-29
1994-10-11
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
503215, B41M 526
Patent
active
053547241
ABSTRACT:
Recording materials which contain one or more optionally polymer-enrobed dye precursors, one or more optionally polymer-enrobed developers and one or more polymer-enrobed sensitizers are described.
REFERENCES:
patent: 4406816 (1983-09-01), Sliwka
patent: 4520376 (1985-05-01), Morishita et al.
patent: 4749679 (1988-06-01), Yoshida et al.
Hoffmann Dietrich
Schuler Bernhard
BASF - Aktiengesellschaft
Schwartz Pamela R.
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