Triazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffs
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United States of America Patent
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Apr 20, 1982
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N/A
app pub date -
Jan 7, 1980
filing date -
Jan 23, 1979
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Expired
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Abstract
Coumarin compounds of the formula ##STR1## in which the substituents have the meanings given in the description, are valuable whiteners for natural fibre materials, such as wool, or synthetic polycondensates. They can also be used as scintillators and laser dyestuffs.
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