Generated: December 16, 2017
DrugPatentWatch Database Preview
Details for Patent: 4,412,992
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Summary for Patent: 4,412,992
|Title:|| 2-Hydroxy-5-phenylazobenzoic acid derivatives and method of treating ulcerative colitis therewith|
|Abstract:||The present invention provides a pharmaceutical composition for treating ulcerative colitis containing at least one compound of the general formula: ##STR1## wherein X is an --SO.sub.2 -- or --CO-- group and R is either an unsubstituted or substituted non-heterocyclic aromatic ring system or is a radical of the general formula --(CH.sub.2).sub.n --Y, in which Y is a hydroxyl group, an unsubstituted or substituted amino group or a carboxylic or sulphonic acid group and n is a whole number of from 1 to 6 and in which one or more hydrogen atoms in the alkylene radical can be replaced by unsubstituted or substituted amino groups or alkyl radicals and in which the --(CH.sub.2).sub.n --Y radical is either attached directly to the nitrogen atom or via a benzene ring; and/or containing at least one ester thereof and/or at least one non-toxic, pharmaceutically acceptable salt thereof, in admixture with a solid or liquid pharmaceutical diluent or carrier. Furthermore, the present invention provides a process for preparing the compounds of the above-given general formulae and also provides a method of treating ulcerative colitis.|
|Inventor(s):|| Chan; Rosalind P. K. (London, GB2) |
|Assignee:|| Biorex Laboratories Limited (GB2) |
Patent Claim Types:|
see list of patent claims
|Compound; Use; Composition; Delivery; |
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Foreign Priority and PCT Information for Patent: 4,412,992
|Foriegn Application Priority Data|
||Foreign Patent Number
||Foreign Patent Date
|United Kingdom||8023826||Jul 21, 1980|
International Patent Family for Patent: 4,412,992
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