Pharmaceutical composition with prolonged broncholytic and tocolytic activity
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United States of America Patent
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Aug 17, 1982
Grant Date -
N/A
app pub date -
Jul 14, 1980
filing date -
Jul 20, 1979
priority date (Note) -
Expired
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Abstract
Composition which has a prolonged broncholytic and tocolytic activity and consists of a compound of N,N'-bis-[2-(3',4'-dihydroxyphenyl)-2-hydroxyethyl]-hexamethylenediamine with a polystyrene which is crosslinked with divinylbenzene, contains sulphonic acid radicals as anchor groups and has a degree of crosslinking of 2-5%, and a process for the preparation of this composition by treating the proton form of the resin with an aqueous solution of a bis-salt of the base.
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