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:
Feb. 15, 1994
Filed:
Sep. 11, 1992
Applicant:
Inventors:
Bernard F Spielvogel, Cary, NC (US);
Anup Sood, Durham, NC (US);
Assignee:
Boron Biologicals, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
534 16 ;
Abstract
A gadolinium (3.sup.+) complex of polyamine polyacetate, comprising a polyamine nucleus having a pendant boron-containing substituent on one of the nitrogen or carbon atoms of the polyamine nucleus. The boron-gadolinium compound may suitably be of the formula: ##STR1## wherein: is a polyamine coordination structure capable of covalently bonding the substitutents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 and of complexing with Gd;