Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Patent
1992-04-10
1993-11-16
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Method of use, kit, or combined with marking instrument or...
346 76PH, 428195, 428521, 428913, 430 19, 430338, 430945, 430964, 503214, 503217, B41M 526
Patent
active
052623742
ABSTRACT:
An image recording device which permits repeated thermoreversible recording and erasure of an image, which is useful for creating an image for storage, display or printing of the image or other information. The recording device has a display medium, a recording means to form an image on the display medium, and an erasure means to erase the image formed on the medium. The display medium of the image recording device may have a support member with a recording layer provided on the support member. The display medium has a transparency which is dependent upon its thermal history, and consists essentially of a matrix material of a copolymer of styrene and butadiene, and a saturated carboxylic acid of 10 to 24 carbon atoms. The weight ratio of the matrix material to saturated carboxylic acid in the display medium is from 1:1 to 20:1.
REFERENCES:
patent: 4318937 (1982-03-01), Ceintrey
patent: 4695528 (1987-09-01), Dabisch et al.
patent: 5157011 (1992-10-01), Okabe et al.
Kato Hiroyo
Nishioka Yoichi
Okabe Yutaka
Hess B. Hamilton
OKI Electric Industry Co., Ltd.
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