Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1996-12-06
1998-09-22
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
503216, 503225, B41M 5155
Patent
active
058113681
ABSTRACT:
In a thermal sensitive recording medium comprising a thermal sensitive color developing layer which includes a basic leuco dye and an organic color developer on a substrate, characterized by the said thermal color developing layer includes 0.01-0.9 parts of aminobenzenesulfonamide derivatives indicated by general formula (I) based on 1 part of color developer and also includes at least one kind of methylolated fatty acid amide indicated by general formula (II) in proportion of 0.01-2 parts based on 1 part of color developer. ##STR1## (wherein, "X" indicates an oxygen or sulfur atom, "R" indicates non-substituted or substituted phenyl group, naphthyl group, aralkyl group, lower alkyl group of carbon number 1-6, cycloalkyl group of carbon number 3-6 or lower alkenyl group of carbon number 2-6. "Z" indicates lower alkyl group of carbon number 1-6 or electron attractive group. "n" indicates an integer from 0 to 4 and "P" indicates an integer from 1 to 5, wherein satisfies the numerical formula of n+p.ltoreq.5)
REFERENCES:
patent: 4570170 (1986-02-01), Hiraishi et al.
patent: 5665675 (1997-09-01), Nagai et al.
Patent Abstracts of Japan, vol. 96, No. 3, 29 Mar. 1996 & JP 07 304727 A Nippon Paper Industries Co. Ltd, 21 Nov. 1995.
Patent Abstracts of Japan, vol. 7, No. 37 (M-193), 15 Feb. 1983 & JP 57 188394 A (Ricoh K.K.), 19 Nov. 1982.
Patent Abstracts of Japan, vol. 18, No. 521 (M-1681), 30 Sep. 1994 & JP 06 179289 A (Nippon Kayaku Co. Ltd.), 28 Jun. 1994.
Fukuchi Tadakazu
Hamada Kaoru
Kudoh Nobuhiro
Nagai Tomoaki
Sekine Akio
Hess Bruce H.
Nippon Paper Industries Co. Ltd.
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