Patents by Inventor Helena Panek-Finda

Helena Panek-Finda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of preparing a radioactive rhenium complex solution
    Patent number: 7018612
    Abstract: The invention relates to a method of preparing a solution of a radioactive rhenium complex, by reacting at elevated temperature a radioactive perrhenate in a substantially aqueous solution with a ligand in the presence of a reductant and optionally an antioxidant under substantially anaerobic conditions, wherein said reaction is carried out at a pH from approx. 1.5 to approx. 5 and by heating the reaction components for at least 10 min. at a temperature of at least 100° C. The invention further relates to a kit for performing said method.
    Type: Grant
    Filed: July 2, 1991
    Date of Patent: March 28, 2006
    Assignee: Mallinckrodt Inc.
    Inventors: Helena Panek-Finda, David W. Pipes
  • Isotope generator provided with a carrier material which in addition to Al.sub.2 O.sub.3 contains fully or partly hydrated MnO.sub.2
    Patent number: 3970583
    Abstract: The invention relates to an isotope generator for the production of liquids containing 99.sup.m Tc wherein the adsorbent used in the generator contains Al.sub.2 O.sub.3 and at least partially hydrated manganese dioxide.
    Type: Grant
    Filed: February 14, 1974
    Date of Patent: July 20, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Helena Panek-Finda