Drugs for chronic pain
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United States of America Patent
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Dec 28, 2010
Grant Date -
Sep 24, 2009
app pub date -
Jun 2, 2009
filing date -
Dec 17, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to nitrooxyderivatives or salts thereof having the following general formula (I): R--NR.sub.1c--(K).sub.k0--(B).sub.b0--(C).sub.c0--NO.sub.2 (I) wherein c0, b0 and k0 are 0 or 1; R is the radical of an analgesic drug for chronic pain, for instance neurophatic pain; R.sub.1c is H or alkyl with from 1 to 5 carbon atoms; B is such that its precursor is selected from amino acids, hydroxy acids, polyalcohol, compounds; C is a bivalent radical containing an aliphatic, heterocyclic or aromatic radical.
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