Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified solvent or dispersant for color-former – other...
Patent
1992-05-05
1993-09-07
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified solvent or dispersant for color-former, other...
503215, 503226, B41M 5165
Patent
active
052428850
ABSTRACT:
An improved pressure sensitive recording sheet capable of causing an improved color development which comprises a substrate and a layer containing microcapsules each containing an electron-donative chromogenic material and a hydrophobic medium containing benzyl toluene being formed on the substrate.
The pressure sensitive recording sheet exhibits an excellent color-developing property and provides clear color images of high density.
REFERENCES:
patent: 4197346 (1980-04-01), Stevens
Shinmitsu Kazuyuki
Shioi Shunsuke
Tajiri Masanao
Hess B. Hamilton
Kanzaki Paper Manufacturing Co. Ltd.
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