Details for Patent: 4,412,992
✉ Email this page to a colleague
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 Kingdom | 8023826 | Jul 21, 1980 |
International Family Members for US Patent 4,412,992
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
Germany | 3128819 | ⤷ Sign Up | |||
France | 2493312 | ⤷ Sign Up | |||
United Kingdom | 2080796 | ⤷ Sign Up | |||
Hong Kong | 31885 | ⤷ Sign Up | |||
Italy | 1138450 | ⤷ Sign Up | |||
Italy | 8122859 | ⤷ Sign Up | |||
Japan | S5753449 | ⤷ Sign Up | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |