Donor element for thermal imaging containing infra-red absorbing squarylium compound
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United States of America Patent
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May 28, 1991
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N/A
app pub date -
Oct 25, 1990
filing date -
Oct 25, 1990
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Expired
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Abstract
These is disclosed donor elements for laser-induced thermal imaging processes containing infra-red absorbing squarylium dyes of the following structure: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are each independently alkyl groups of from one to eight carbon atoms.
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