Use of spiro compounds as laser dyes
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United States of America Patent
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Aug 8, 2006
Grant Date -
N/A
app pub date -
Jan 23, 1999
filing date -
Feb 4, 1998
priority date (Note) -
Expired
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Abstract
Use of spiro compounds of formula (I), where K.sup.1 and K.sup.2 are, independently of one another, conjugated systems, as a laser dye.
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