Fisons Ltd.

Albert Chambers

Hugh Cairns

Thomas B Lee

There is described a pharmaceutical composition comprising a compound having sodium cromoglycate like activity, as active ingredient, in combination with an aminosalicyclic acid or a pharmaceutically acceptable derivative thereof. There are also described packages containing the separate components of the composition and pharmaceutical formulations containing the composition.

Compositions comprising a compound having sodium cromoglycate activity

There are described certain mono-chromone-2-carboxylic acids of formula, ##STR1## having one substituent in the 5 or 6 position or having 2 or more substituents in the 5,6,7 or 8 positions. There are also described processes for making the compounds and pharmaceutical compositions, for the treatment of asthma, containing the compounds.

6,8-Di-t-butyl-4-oxo-4H-1-benzopyran-2-carboxylic acid and derivative

There are described certain mono-chromone-2-carboxylic acids of formula, ##SPC1## Having one substituent in the 5 or 6 position or having 2 or more substituents in the 5,6,7 or 8 positions. There are also described processes for making the compounds and pharmacetuical compositions, for the treatment of asthma, containing the compounds.

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Loughborough, United Kingdom

Albert Chambers