Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1991-05-23
1993-01-12
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
503208, 503225, B41M 530
Patent
active
051790670
ABSTRACT:
The present invention relates to a color forming solution including the benzoin derivatives as a sensitizer.
The benzoin derivatives used as a sensitizer in the present invention are represented by the following general formula (I) ##STR1##
REFERENCES:
patent: 4842981 (1989-06-01), Sanders et al.
Chang Suk K.
Kim Don W.
Paik Kyu C.
Ryu Jae S.
Yang Dong J.
Chonju Paper Mfg. Co., Ltd.
Schwartz Pamela R.
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