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Last Updated: April 18, 2024

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)
Application Number:06/281,504
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Delivery;

Drugs Protected by US Patent 4,412,992

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 4,412,992

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8023826Jul 21, 1980

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