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
1987-12-22
1988-11-22
Hess, Bruce H.
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...
427150, 427151, 428195, 428914, 503215, B41M 516, B41M 5/18
Patent
active
047866306
ABSTRACT:
Disclosed herein are (1) a solvent of a chromogenic dye-precursor material for pressure-sensitive recording paper, which solvent comprises a diarylalkanes containing not less than 80% by weight of a mixture of 1-tolyl-2-phenylpropane and 1,2-ditolylethane, obtained by coupling ethylbenzene and xylene by side-chain dehydrogenation, (2) the pressure-sensitive recording paper sheet prepared by using the solvent and (3) a process for producing the solvent.
REFERENCES:
patent: 4130299 (1978-12-01), Wygant
patent: 4529681 (1985-07-01), Usami et al.
patent: 4559242 (1985-12-01), Mitsuo et al.
patent: 4598035 (1986-09-01), Usami et al.
Watanabe; Image Recording Material, (Fuji Photo Film Co, Ltd.); 93: 58285.
Hoshi Shoichi
Nakamura Tadashi
Terauchi Takashi
Conlin David G.
Eisenstein Ronald I.
Hess Bruce H.
Kureha Kagaku Kogyo Kabushiki Kaishi
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