Color ribbon for thermo-sublimation print, method for the manufacture of same and its application
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United States of America Patent
Stats
-
Apr 30, 2002
Grant Date -
Aug 23, 2001
app pub date -
Mar 31, 1998
filing date -
Apr 1, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Description of a color ribbon for thermo-sublimation print, comprising a carrier and a color layer formed on the carrier, with a sublimeable coloring substance disperse in a polymer binding agent, whereby a top coat is located on the color layer which contains a water-soluble cellulose ether. The cellulose ether preferably contains C.sub.1 -C.sub.4 -alkyl- or C.sub.1 -C.sub.4 -alkyl-hydroxyalkyl remnants and is specifically. Methyl-hydroxy-ethyl cellulose. The color ribbon has the advantage that the transferred color substance volume is selectively reduced with low print energies, that inside the ribbon spool there is no unwelcome color substance transfer onto the neighboring loops and that during the printing procedure there is no agglutination between the color layer of the color ribbon and the color receiving layer of the receiver foil.
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