Details for Patent: 4,250,113
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Summary for Patent: 4,250,113
Title: | Chemical compounds |
Abstract: | Compounds of the formula: ##STR1## wherein R represents the group --CH.sub.2 CH.sub.2 OH or --CH.sub.2 CHOHCH.sub.2 OH, particularly in racemic or optically active form, are employed as active ingredients in X-ray contrast agents for intracerebral, but particularly for vascular use. The compounds are prepared by reacting 5-(N-acetamido)-2,4,6-triiodo-N,N'-bis-(2,3-dihydroxypropyl)isophthalamide or an O-acetyl derivative thereof with an appropriate hydroxyalkylating agent and subsequently, if necessary, hydrolysing any unwanted O-acetyl groups. |
Inventor(s): | Nordal; Vegard (Oslo, NO), Holtermann; Hugo (Oslo, NO) |
Assignee: | Nyegaard & Co. A/S (Oslo, NO) |
Application Number: | 06/069,589 |
Patent Claim Types: see list of patent claims | Compound; |
Drugs Protected by US Patent 4,250,113
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
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>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: 4,250,113
Foriegn Application Priority Data | ||
Foreign Country | Foreign Patent Number | Foreign Patent Date |
United Kingdom | 24338/76 | Jun 11, 1976 |
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