Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or...
Patent
1991-02-15
1992-09-29
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
427152, 503226, B41M 530, B41M 536, B41M 540
Patent
active
051514036
ABSTRACT:
A thermal printing medium having high mechanical strength, and a label and tag incorporating such a thermal printing medium is disclosed. In additional to high mechanical strength, the thermal printing medium of the present invention provides for excellent printing density and reslution, for which reason the medium is very applicable to bar codes and the like. The thermal printing medium which includes a multilayer structure consisting of a support substrate comprised of polyolefin type cross-laminate film; a thermal developing layer over the above mentioned under layer, comprised chiefly of colorless or lightly colored leuco-type dye and color developer agent; and a protective layer over the above mentioned thermal developing layer.
REFERENCES:
patent: 4370370 (1983-01-01), Iwata et al.
patent: 4717709 (1988-01-01), Suzuki
patent: 4727055 (1988-02-01), Aoyagi et al.
Norizuki Takayuki
Suzuki Akira
Yamanashi Yasuhiro
Schwartz Pamela R.
Tomoegawa Paper Co. Ltd.
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