Recorders – Record receiver deforming
Patent
1984-04-18
1986-09-23
Hess, Bruce H.
Recorders
Record receiver deforming
346217, 346221, 427151, B41M 516, B41M 518, B41M 522
Patent
active
046138790
ABSTRACT:
This invention relates to chromogenic recording materials comprising as a chromogenic substance 3-N-isobutylethylamino-6-methyl-7-phenylaminofluoran of the following formula (I) ##STR1##
REFERENCES:
patent: 2548366 (1951-04-01), Green et al.
patent: 2800458 (1957-07-01), Green
patent: 3681390 (1972-08-01), Lin
patent: 3746562 (1973-07-01), Lin
Igaki Tetsuo
Kinoshita Kimiaki
Morita Kousaku
Saito Morikuni
Yahagi Masakichi
Hess Bruce H.
Shin Nisso Kako Co., Ltd.
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