Ternary and quaternary eutectic mixtures of local anesthetics substances
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United States of America Patent
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Jul 27, 2010
Grant Date -
Nov 30, 2006
app pub date -
May 21, 2004
filing date -
May 22, 2003
priority date (Note) -
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Abstract
The present invention describes ternary and quaternary eutectic mixtures composed by active local anesthetic substances. These eutectic mixtures possess melting point inferior to 20° C. and consist of homogeneous liquid useful in the preparation o pharmaceutical compositions for topical anesthesia or analgesia of tissues as skin or mucous.
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