Use in magnetometry by electronic paramagnetic resonance (EPR) of tetracyanoquinodimethane derivatives
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United States of America Patent
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Oct 19, 1993
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N/A
app pub date -
Mar 19, 1991
filing date -
Apr 4, 1990
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Expired
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Abstract
Use in magnetometry by electronic paramagnetic resonance (EPR) of tetracyanoquinodimethane derivatives in accordance with the formula: ##STR1## in which AH.sup.+ is a cation derived from a heterocyclic aromatic base having at least three aromatic rings and a single NH.sup.+ group included in at least one of the rings, AH.sup.+ being e.g. acridinium or benzoquinolinium.
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