Details for Patent: 4,250,113

Summary for Patent: 4,250,113

Patent landscape, scope, and claims:

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

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

International Family Members for US Patent 4,250,113

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Belgium	855580
Switzerland	630064
Germany	2726196
Denmark	150504