Thermal-dye-transfer media for labels comprising poly(lactic...

Details Thermal-dye-transfer media for labels comprising poly(lactic... Thermal-dye-transfer media for labels comprising poly(lactic...

2006-08-22

2006-08-22

Hess, Bruce H. (Department: 1774)

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Reexamination Certificate

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07094733

ABSTRACT:
Thermal-dye-transfer labels, and pre-label media from which they are made, comprising an extruded pragmatic polymer film comprising a microvoided layer, a continuous phase of which comprises a polylactic-acid-based material wherein the microvoids are formed by employing relatively smaller size void initiators, including, for example, various inorganic particles such as titanium dioxide. A method of making sheets for such media is also disclosed involving an extrusion process. High-quality pressure-sensitive labels for application to packages are obtainable by the present invention.

REFERENCES:
patent: 4621271 (1986-11-01), Brownstein
patent: 4984823 (1991-01-01), Ishii et al.
patent: 6153558 (2000-11-01), Shirai et al.
patent: 6162517 (2000-12-01), Oshima et al.
patent: 6566024 (2003-05-01), Bourdelais et al.

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