Pharmaceutical compositions containing sodium chromoglycate and .beta.2 selective bronchodilators
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United States of America Patent
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Oct 11, 1983
Grant Date -
N/A
app pub date -
Apr 21, 1981
filing date -
Apr 30, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There are described salts of 1,3-bis(2-carboxychromon-5-yloxy)propan-2-ol with certain long acting or .beta.2 selective bronchodilators. There are also described certain pharmaceutical mixtures comprising (a) one or more of 1,3-bis(2-carboxychromon-5-yloxy)-propan-2-ol, or a pharmaceutically acceptable salt thereof, in combination with (b) one or more .beta.2 selective or long acting bronchodilators, or a pharmaceutically acceptable salt thereof.
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