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. 01, 2007
Filed:
Jan. 30, 2003
Paul Sylvester, Waltham, MA (US);
Abraham Clearfield, College Station, TX (US);
Mark L. Dietz, Elmhurst, IL (US);
Paul Sylvester, Waltham, MA (US);
Abraham Clearfield, College Station, TX (US);
Mark L. Dietz, Elmhurst, IL (US);
Lynntech, Inc., College Station, TX (US);
U Chicago Argonne LLC, Chicago, IL (US);
The Texas A&M University System, College Station, TX (US);
Abstract
A bismuth-213 generator comprising an insoluble composition having the general formula Zr(Phosponate)(HPO).nHO, wherein x is between 0 and 2; and n is the number of waters of hydration; and wherein cations of radioactive isotopes selected from radium, actinium and combinations thereof are immobilized on the composition. The value of x may be between about 0.2 and about 1. The phosphonate may be n-phosphonomethyl-miniodiacetic acid (PMIDA), wherein x may be between about 0.1 and about 1.9. The phosphonate may be one or more phosphonate having the formula:HOP—(CH)—N—((CH)COH)—((CH)COH),wherein a, b, and c are numbers from 1 to 3 that may or may not be equal. The value of x may also be between about 0.1 and 1.9.