Fisons Ltd.

Patrick John Kingsley

Thomas S Orr

Thomas J Sullivan

There is described a method of treatment of certain skin conditions, which method comprises per os administration of a compound of the formula I ##STR1## or a therapeutically acceptable salt, ester or amide thereof, wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group, (as active ingredient), to a patient having such a condition.

Method for treatment of eczema or psoriasis

There is described a method of treatment of certain psychiatric conditions which method comprises administration of a compound of the formula I, ##STR1## or a therapeutically acceptacle salt, ester or amide thereof, (as active ingredient), to a patient having such a condition.

Method of psychiatric conditions

There is described a method of treatment of certain psychiatric conditions, or of certain skin conditions, which method comprises per os administration of a compound of the formula I ##STR1## or a therapeutically acceptable salt, ester or amide thereof, wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group, (as active ingredient), to a patient having such a condition.

Method of treating a psychiatric condition

There is described a method for the treatment of gingivitis (and particularly chronic gingivitis) which comprises administering an effective quantity of 1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxypropane, or a pharmaceutically acceptable salt thereof, as active ingredient, to a patient suffering from gingivitis.

Method for treating gingivitis

There is described a method for the treatment of hyperuricaemia and/or gout, which comprises administering an effective quantity of 6,8-di-t-butyl-4-oxo-4H-1-benzopyran-2-carboxylic acid, or a pharmaceutically acceptable salt thereof, as active ingredient, to a patient having hyperuricaemia and/or gout. There are also described unit dosage forms of pharmaceutical compositions containing the compound.

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Loughborough, United Kingdom

Patrick John Kingsley