Patents by Inventor Stefan K. Zeisler

Stefan K. Zeisler 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).

  • Publication number: 20240011179
    Abstract: A system for producing technetium-99m from molybdate-100. The system comprises: a target capsule apparatus for housing a Mo-100-coated target plate; a target capsule pickup apparatus for engaging and delivering the target cell apparatus into a target station apparatus; a target station apparatus for receiving and mounting therein the target capsule apparatus. The target station apparatus is engaged with a cyclotron for irradiating the Mo-100-coated target plate with protons. The irradiated target capsule apparatus is transferred to a receiving cell apparatus comprising a dissolution/purification module for receiving therein a proton-irradiated Mo-100-coated target plate. A conveyance conduit infrastructure interconnects: (i) the target capsule pickup apparatus with the target station apparatus, (ii) the target station apparatus and the receiving cell apparatus; and (iii) the receiving cell apparatus and the dissolution/purification module.
    Type: Application
    Filed: April 21, 2023
    Publication date: January 11, 2024
    Inventors: Paul SCHAFFER, Francois BENARD, Kenneth R. BUCKLEY, Victoire HANEMAAYER, Cornelia Manuela HOEHR, Julius Alexander KLUG, Michael S. KOVACS, Thomas J. MORLEY, Thomas J. RUTH, John VALLIANT, Stefan K. ZEISLER, Maurice G. DODD
  • Patent number: 11661668
    Abstract: A system for producing technetium-99m from molybdate-100. The system comprises: a target capsule apparatus for housing a Mo-100-coated target plate; a target capsule pickup apparatus for engaging, and delivering the target cell apparatus into a target station apparatus; target station apparatus for receiving and mounting therein the target capsule apparatus. The target station apparatus is engaged with a cyclotron for irradiating the Mo-100-coated target plate with protons. The irradiated target capsule apparatus is transferred to a receiving cell apparatus comprising a dissolution/purification module for receiving therein a proton-irradiated Mo-100-coated target plate. A conveyance conduit infrastructure interconnects: (i) the target capsule pickup apparatus with the target station apparatus, (ii) the target station apparatus and the receiving cell apparatus; and (iii) the receiving cell apparatus and the dissolution/purification module.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: May 30, 2023
    Assignee: TRIUMF INC.
    Inventors: Paul Schaffer, Francois Benard, Kenneth R. Buckley, Victoire Hanemaayer, Cornelia Manuela Hoehr, Julius Alexander Klug, Michael S. Kovacs, Thomas J. Morley, Thomas J. Ruth, John Valliant, Stefan K. Zeisler, Maurice G. Dodd
  • Patent number: 11178747
    Abstract: A target system for irradiation of molybdenum with charged particles from an accelerator to produce technetium and molybdenum radioisotopes. The target system comprises a molybdenum-100 material brazed with a brazing alloy to a backing material. The backing material preferably comprises a dispersion-strengthened copper composite. The brazing alloy comprises copper and phosphorus.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: November 16, 2021
    Assignee: TRIUMF INC.
    Inventors: Stefan K. Zeisler, Victoire Hanemaayer, Kenneth R. Buckley
  • Publication number: 20210350946
    Abstract: A method for recovering a parent radionuclide from a radionuclide generator is disclosed where the parent radionuclide is adsorbed to a stationary phase. The method contains a series of elutions. At least one elution is with an alcohol. At least one elution with water. At least one elution is with a mineral acid other than hydrochloric acid that is paused to soak the stationary phase with the mineral acid.
    Type: Application
    Filed: October 2, 2020
    Publication date: November 11, 2021
    Applicants: ITM Isotopen Technologien München AG, TRIUMF, A JOINT VENTURE OF THE GOVENORS OF THE UNIVERSITY OF ALBERTA, THE UNIVERSITY OF BRITISH COLU
    Inventors: Stefan K. ZEISLER, Ellard PORTMAN
  • Publication number: 20210335515
    Abstract: A system for producing technetium-99m from molybdate-100. The system comprises: a target capsule apparatus for housing a Mo-100-coated target plate; a target capsule pickup apparatus for engaging, and delivering. the target cell apparatus into a target station apparatus target station apparatus for receiving and mounting therein the target capsule apparatus. The target station apparatus is engaged with a cyclotron for irradiating the Mo-100-coated target plate with protons. The irradiated target capsule apparatus is transferred to a receiving cell apparatus comprising a dissolution/purification module for receiving therein a proton-irradiated Mo-100-coated target plate. A conveyance conduit infrastructure interconnects: (i) the target capsule pickup apparatus with the target station apparatus, (ii) the target station apparatus and the receiving cell apparatus, and (iii) the receiving cell apparatus and the dissolution/purification module.
    Type: Application
    Filed: June 11, 2021
    Publication date: October 28, 2021
    Inventors: Paul SCHAFFER, Francois BENARD, Kenneth R. BUCKLEY, Victoire HANEMAAYER, Cornelia Hoehr MANUELA, Julius Alexander KLUG, Michael S. KOVACS, Thomas J. MORLEY, Thomas J. RUTH, John VALLIANT, Stefan K. ZEISLER, Maurice G. DODD
  • Publication number: 20210027903
    Abstract: A system for producing technetium-99m from molybdate-100. The system comprises: a target capsule apparatus for housing a Mo-100-coated target plate; a target capsule pickup apparatus for engaging and delivering the target cell apparatus into a target station apparatus; a target station apparatus for receiving and mounting therein the target capsule apparatus. The target station apparatus is engaged with a cyclotron for irradiating the Mo-100-coated target plate with protons. The irradiated target capsule apparatus is transferred to a receiving cell apparatus comprising a dissolution/purification module for receiving therein a proton-irradiated Mo-100-coated target plate. A conveyance conduit infrastructure interconnects: (i) the target capsule pickup apparatus with the target station apparatus, (ii) the target station apparatus and the receiving cell apparatus; and (iii) the receiving cell apparatus and the dissolution/purification module.
    Type: Application
    Filed: June 5, 2020
    Publication date: January 28, 2021
    Inventors: Paul SCHAFFER, Francois BENARD, Kenneth R. BUCKLEY, Victoire HANEMAAYER, Cornelia Hoehr MANUELA, Julius Alexander KLUG, Michael S. KOVACS, Thomas J. MORLEY, Thomas J. RUTH, John VALLIANT, Stefan K. ZEISLER, Maurice G. DODD
  • Publication number: 20190221325
    Abstract: A process for producing a hardened target plate coated with a molybdenum-100 metal, comprising the steps of: (i) suspending and intermixing a refined molybdenum-100 metal powder having grain sizes of less than about 10 microns, and a binder, in a polar organic solvent; (ii) inserting into the molybdate-100 mixture, a cathode plate comprising a transition metal and an anode plate comprising conductive metal; (iii) applying a potential from about 300 V to about 1,300 V to the anode plate and cathode plate; (iv) recovering the cathode plate from the molybdate-100 mixture; and (v) sintering the cathode plate at a temperature from a range of about 1,200° C. to about 1,900° C. for a period of time from about 3 h to about 8 h.
    Type: Application
    Filed: January 21, 2019
    Publication date: July 18, 2019
    Inventors: Paul SCHAFFER, Francois BENARD, Kenneth R. BUCKLEY, Victoire HANEMAAYER, Cornelia Hoehr MANUELA, Julius Alexander KLUG, Michael S. KOVACS, Thomas J. MORLEY, Thomas J. RUTH, John VALLIANT, Stefan K. ZEISLER, Maurice G. DODD
  • Publication number: 20170271036
    Abstract: A system for producing technetium-99m from molybdate-100. The system comprises: a target capsule apparatus for housing a Mo-100-coated target plate; a target capsule pickup apparatus for engaging and delivering the target cell apparatus into a target station apparatus; a target station apparatus for receiving and mounting therein the target capsule apparatus. The target station apparatus is engaged with a cyclotron for irradiating the Mo-100-coated target plate with protons. The irradiated target capsule apparatus is transferred to a receiving cell apparatus comprising a dissolution/purification module for receiving therein a proton-irradiated Mo-100-coated target plate. A conveyance conduit infrastructure interconnects: (i) the target capsule pickup apparatus with the target station apparatus, (ii) the target station apparatus and the receiving cell apparatus; and (iii) the receiving cell apparatus and the dissolution/purification module.
    Type: Application
    Filed: April 28, 2017
    Publication date: September 21, 2017
    Inventors: Paul SCHAFFER, Francois BENARD, Kenneth R. BUCKLEY, Victoire HANEMAAYER, Cornelia Hoehr MANUELA, Julius Alexander KLUG, Michael S. KOVACS, Thomas J. MORLEY, Thomas J. RUTH, John VALLIANT, Stefan K. ZEISLER, Maurice G. DODD
  • Publication number: 20170048962
    Abstract: A target system for irradiation of molybdenum with charged particles from an accelerator to produce technetium and molybdenum radioisotopes. The target system comprises a molybdenum-100 material brazed with a brazing alloy to a backing material. The backing material preferably comprises a dispersion-strengthened copper composite. The brazing alloy comprises copper and phosphorus.
    Type: Application
    Filed: April 24, 2015
    Publication date: February 16, 2017
    Applicant: Triumf
    Inventors: Stefan K. Zeisler, Victoire Hanemaayer, Kenneth R. Buckley
  • Publication number: 20090090875
    Abstract: A beam window according to example embodiments may include a foil having an interior region and an exterior region. The interior region of the foil may be dome-shaped, and a central portion of the dome-shaped interior region may be thinner than the exterior region of the foil. The beam window may be welded to a flange to form a window module. One or more window modules may be utilized in a target assembly. The target assembly may further include a cooling unit and/or collimator to form a target system according to example embodiments.
    Type: Application
    Filed: June 23, 2008
    Publication date: April 9, 2009
    Inventors: William Z. Gelbart, Roberto A. Pavan, Stefan K. Zeisler
  • Patent number: 6845137
    Abstract: A system and method for producing 18F-Fluoride by using a proton beam to irradiate 18Oxygen in gaseous form. The irradiated 18Oxygen is contained in a chamber that includes at least one component to which the produced 18F-Fluoride adheres. A solvent dissolves the produced 18F-Fluoride off of the at least one component while it is in the chamber. The solvent is then processed to obtain the 18F-Fluoride.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: January 18, 2005
    Assignee: Triumf
    Inventors: Thomas J. Ruth, Kenneth R. Buckley, Kwonsoo Chun, Salma Jivan, Stefan K. Zeisler
  • Publication number: 20010043663
    Abstract: A system and method for producing 18F-Fluoride by using a proton beam to irradiate 18Oxygen in gaseous form. The irradiated 18Oxygen is contained in a chamber that includes at least one component to which the produced 18F-Fluoride adheres. A solvent dissolves the produced 18F-Fluoride off of the at least one component while it is in the chamber. The solvent is then processed to obtain the 18F-Fluoride.
    Type: Application
    Filed: February 23, 2001
    Publication date: November 22, 2001
    Inventors: Thomas J. Ruth, Kenneth R. Buckley, Kwonsoo Chun, Salma Jivan, Stefan K. Zeisler