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:
Jun. 13, 1995
Filed:
Apr. 08, 1994
Applicant:
Inventors:
Heinrich Peter, Binningen, CH;
Theophile Moerker, Fullinsdorf, CH;
Assignee:
Ciba-Geigy Corp., Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07F / ; C07F / ;
U.S. Cl.
CPC ...
424365 ; 556-1 ; 556 40 ; 556 45 ; 556138 ; 1286532 ; 128654 ; 436173 ; 534 15 ; 424-94 ; 424-95 ;
Abstract
Compounds of the formula ##STR1## in which R is alkyl having up to 4 carbon atoms, n has an average value of at least 9, X is a radical of the formula --C(.dbd.O)--(NH--SO.sub.2).sub.m -- in which m is 0 or 1 and, if m is 1, the carbonyl group may be bonded to the oxygen atom or to the nitrogen atom, and each of the radicals A.sub.1, A.sub.2 and A.sub.3, independently of the others, is hydrogen or an acyl radical, and salts of salt-forming compounds of formula I, as well as metal complexes of compounds of formula I, in which A.sub.1, A.sub.2 and A.sub.3 are hydrogen can be used as metal chelators and as auxiliaries in diagnosis.