The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 1995
Filed:
Aug. 03, 1994
Baldev Singh, East Greenbush, NY (US);
Edward R Bacon, East Greenbush, NY (US);
Carl R Illig, Phoenixville, PA (US);
Sterling Winthrop Inc., New York, NY (US);
Abstract
Compounds having the structure ##STR1## wherein (Z--COO is the residue of an iodinated aromatic acid; n is an integer from 0 to 6; R.sup.1 and R.sup.2 are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy or aryloxy; R.sup.3 and R.sup.4 are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, halogen, hydroxy or acylamino; Q represents the atoms necessary to complete a carbocyclic or heterocyclic unsaturated mono- or bicyclic aromatic ring; and R.sup.5 is H, alkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, halogen, hydroxy, amino, acylamino, alkoxyalkyl, fluoroalkyl, acetamidoalkyl, COO-alkyl, cyano, carboxamido, sulfonate, sulfonamido, ureido, or carbamyl are useful as contrast agents in x-ray imaging compositions and methods.