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:
May. 30, 1995
Filed:
Mar. 28, 1994
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Abstract
Compounds of the general formula I: ##STR1## wherein R.sup.1 signifies a COOX group or the group ##STR2## R.sup.2 and R.sup.3 are the same or different and signify a hydrogen atom, a lower straight- or branched-chain, hydrocarbon radical, a phenyl or benzyl group or either R.sup.2 or R.sup.3 signifies the group ##STR3## or R.sup.2 or R.sup.3 together signify a trimethylene or tetramethylene radical, R.sup.4 represents a straight- or branched-chain mono- or poly-hydroxyalkyl radical, R.sup.5 represents a hydrocarbon atom, a lower straight- or branched-chain, optionally mono- or poly-hydroxylated, hydrocarbon radical, Q signifies an oxygen or sulfur atom or the group ##STR4## and X represents hydrogen atoms and/or metal ion equivalents, and their salts with physiologically harmless organic bases, are valuable complexing agents, complexes and complex salts for diagnostic imaging.