Method for enhancement of chemiluminescence
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United States of America Patent
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Apr 21, 1992
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N/A
app pub date -
Feb 14, 1990
filing date -
Feb 14, 1989
priority date (Note) -
Expired
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Abstract
A method for enhancing chemiluminescence which uses a heterocyclic compound of the formula: ##STR1## wherein R.sub.1 is an oxygen or sulfur atom or an imino group optionally substituted by 4-hydroxyphenyl, and R.sub.2, R.sub.3 and R.sub.4 are a hydrogen or halogen atom, an optionally substituted hydrocarbon residue, a heterocyclic group or the like in a luminescence system.
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