Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified reactant isolating material or capsule wall...
Patent
1994-02-10
1995-12-05
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified reactant isolating material or capsule wall...
428198, 428212, 428532, 428535, 428913, 503200, 503202, 503209, 503226, B41M 530
Patent
active
054729300
ABSTRACT:
A thermosensitive recording material contains a mono-, oligo- or polysaccharide and a catalyst in one or more binder layers arranged on a transparent support. A black-and-white image with high optical density, good grey step reproduction, great sharpness and good stability is formed when the material is heated imagewise, e.g. by means of a thermohead.
REFERENCES:
patent: 3161770 (1964-12-01), Huett et al.
Podszun Wolfgang
Uytterhoeven Herman
Agfa-Gevaert AG
Hess B. Hamilton
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