Cyclic quaternary ammonium compounds
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United States of America Patent
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Issued Date -
Sep 4, 2003
app pub date -
Feb 14, 2003
filing date -
Dec 15, 1999
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one aspect, the present invention concerns the use of certain cyclic quaternary ammonium compounds as active ingredient in the manufacture of a medicament for use in the treatment and/or prevention of cough in warm-blooded animals, including humans, such as compounds of formula (I) wherein n is an integer of from 0 to 4; R.sub.1 and E are independently selected from --CH.sub.2--R.sub.16 and a group represented by formula (II).
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