Patents by Inventor Duncan George Wynn

Duncan George Wynn 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).

  • Patent number: 10220105
    Abstract: The present invention relates to the field of radiopharmaceuticals for in vivo imaging, in particular to automated methods for the preparation and purification of 18F-labelled tau imaging radiotracers. Also provided are interchangeable cassettes useful in the methods, and the use of automated synthesizers and cassettes in the methods.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: March 5, 2019
    Assignee: GE HEALTHCARE LIMITED
    Inventors: Duncan George Wynn, Steven Michael Fairway, Matthias Eberhard Glaser, Ian Newington, Gareth Edwin Smith, Imtiaz Ahmed Khan, Julian Grigg
  • Publication number: 20170106104
    Abstract: The present invention relates to the field of radiopharmaceuticals for in vivo imaging, in particular to automated methods for the preparation and purification of 18F-labelled tau imaging radiotracers. Also provided are interchangeable cassettes useful in the methods, and the use of automated synthesizers and cassettes in the methods.
    Type: Application
    Filed: December 16, 2014
    Publication date: April 20, 2017
    Inventors: Duncan George Wynn, Steven Michael Fairway, Matthias Eberhard Glaser, Ian NEWINGTON, Gareth Edwin Smith, IMTIAZ Ahmed KHAN, Julian Grigg
  • Patent number: 8551449
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds of the formula R—Y—X—Z—R where each R denotes a triiodinated phenyl residue further substituted by hydrophilic moieties, Y and Z are urea and urethane groups and X is a alkylene group which may be further substituted. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging, and to contrast media containing such compounds.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 8, 2013
    Assignee: GE Healthcare AS
    Inventors: Duncan George Wynn, Ian Martin Newington, Harry John Wadsworth
  • Publication number: 20130064770
    Abstract: The present invention relates to radiodiagnostic compounds, methods of making those compounds, and methods of use thereof as imaging agents for preferably a HA serotonin 5-HT1A receptor for use in PET or SPECT, preferably PET. Compositions comprising an imaging-effective amount of radiolabeled compounds are also disclosed. The present invention also relates to non-radiolabeled compounds, methods of making those compounds, and methods of use thereof to treat various neurological and/or psychiatric disorders.
    Type: Application
    Filed: May 26, 2011
    Publication date: March 14, 2013
    Applicant: GE HEALTHCARE LIMITED
    Inventors: Ian Martin Newington, Duncan George Wynn, Robert James Domett Nairne, Benedicte Guilbert, Subrata Mandal, Jinto Jose, Sunderaraman Varadarajan, Chitralekha Rangaswamy, Helen Betts, Rebecca Davis
  • Patent number: 8323619
    Abstract: Compounds of formula (I) RA—CO—N(R2)—(CR12)n—N(R5)—RB and salts or optical active isomers thereof, wherein each R1 independently are the same or different and denotes a hydrogen atom, a hydroxyl group, a C1 to C4 straight of branched alkyl group or a C1 to C4 straight of branched oxyalkyl group; R2 denotes a hydrogen atom or a C1 to C4 straight of branched alkyl group; R5 independently are the same or different and denotes a acyl moiety; RA and RB independently are the same or different and denote a triiodinated phenyl group, preferably a 2,4,6-triiodinated phenyl group further substituted by two groups R3 in the 3 and 5 positions wherein each R3 are the same or different and denote a hydrogen atom or a non-ionic hydrophilic moiety, provided that at least one R3 group in the compound of formula (I) is a hydrophilic moiety; and n denotes a positive integer of 1 to 6.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: December 4, 2012
    Assignee: GE Healthcare AS
    Inventors: Veronique Morisson-Iveson, Duncan George Wynn
  • Patent number: 8202511
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging, and to contrast media containing such compounds.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: June 19, 2012
    Assignee: GE Healthcare AS
    Inventors: Ian Martin Newington, Duncan George Wynn, Veronique Morisson-Iveson, Joanna Marie Passmore
  • Publication number: 20110038805
    Abstract: The present invention relates to novel compounds of formula (I) and (II), compositions comprising compounds of formula (II) and their use as contrast agents in magnetic resonance (MR) imaging (MRI) and MR spectroscopy (MRS).
    Type: Application
    Filed: April 17, 2009
    Publication date: February 17, 2011
    Inventors: Andreas Meijer, Oskar Axelsson, Anders Brathe, Andreas Olsson, John Henrik Johansen, Duncan George Wynn
  • Publication number: 20100260685
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds of the formula R—Y—X—Z—R where each R denotes a triiodinated phenyl residue further substituted by hydrophilic moieties, Y and Z are urea and urethane groups and X is a alkylene group which may be further substituted. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging, and to contrast media containing such compounds.
    Type: Application
    Filed: October 29, 2008
    Publication date: October 14, 2010
    Inventors: Duncan George Wynn, Ian Martin Newington, Harry John Wadsworth
  • Publication number: 20100233097
    Abstract: Compounds of formula (I) RA—CO—N(R2)—(CR12)n—N(R5)—RB and salts or optical active isomers thereof, wherein each R1 independently are the same or different and denotes a hydrogen atom, a hydroxyl group, a C1 to C4 straight of branched alkyl group or a C1 to C4 straight of branched oxyalkyl group; R2 denotes a hydrogen atom or a C1 to C4 straight of branched alkyl group; R5 independently are the same or different and denotes a acyl moiety; RA and RB independently are the same or different and denote a triiodinated phenyl group, preferably a 2,4,6-triiodinated phenyl group further substituted by two groups R3 in the 3 and 5 positions wherein each R3 are the same or different and denote a hydrogen atom or a non-ionic hydrophilic moiety, provided that at least one R3 group in the compound of formula (I) is a hydrophilic moiety; and n denotes a positive integer of 1 to 6.
    Type: Application
    Filed: November 6, 2008
    Publication date: September 16, 2010
    Inventors: Veronique Morrison-Iverson, Duncan George Wynn
  • Publication number: 20100221189
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds.
    Type: Application
    Filed: October 10, 2008
    Publication date: September 2, 2010
    Inventors: Ian Martin Newington, Duncan George Wynn, Veronique Morisson-Iveson, Joanna Marie Passmore
  • Publication number: 20100221192
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds. More specifically the iodine containing compounds are chemical compounds containing two linked iodinated phenyl groups of the general formula and salts or optical active isomers thereof, wherein each of R1, R2 and R3 independently are the same or different and denote a hydrogen atom or a C1 to C4 straight of branched alkyl group; each R4 independently are the same or different and denote C1 to C6 straight of branched alkyl moieties substituted by up to 6 —OH groups; and each R5 independently are the same or different and denote C1 to C6 straight or branched alkyl moieties substituted by up to 6 —OH groups. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging, and to contrast media containing such compounds.
    Type: Application
    Filed: October 10, 2008
    Publication date: September 2, 2010
    Inventors: Duncan George Wynn, Lars-Goran Wistrand
  • Publication number: 20100221191
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds. More specifically the iodine containing compounds are chemical compounds containing two linked iodinated phenyl groups of the general formula wherein each R1 independently are the same or different and denotes a hydrogen atom or a C1 to C4 straight of branched alkyl group; each R2 independently are the same or different and denotes a hydrogen atom or a C1 to C4 straight of branched alkyl group; and each R3, R4 and R5 independently are the same or different and denote C1 to C6 straight of branched alkyl moieties substituted by 1 to 6 —OH groups. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging, and to contrast media containing such compounds.
    Type: Application
    Filed: October 10, 2008
    Publication date: September 2, 2010
    Inventors: Duncan George Wynn, Ian Martin Newington, Hanno Priebe
  • Publication number: 20100209356
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds. More specifically the iodine containing compounds are chemical compounds containing two linked iodinated phenyl groups of the general formula (I) and salts or optical active isomers thereof, wherein each of R1, R2 and R3 independently are the same or different and denote a hydrogen atom or a C1 to C4 straight of branched alkyl group; each R4 independently are the same or different and denote C1 to C6 straight of branched alkyl moieties substituted by up to 6 —OH groups; and each R5 independently are the same or different and denote C1 to C6 straight of branched alkyl moieties substituted by up to 6 —OH groups provided that at least one alkyl group is substituted with at least 2 hydroxy groups.
    Type: Application
    Filed: October 10, 2008
    Publication date: August 19, 2010
    Inventors: Duncan George Wynn, Lars-Goran Wistrand
  • Publication number: 20100189656
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds. More specifically the iodine containing compounds are chemical compounds containing a triamine alkyl central moiety allowing for the arrangement of three iodinated phenyl groups bound thereto. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging and to contrast media containing such compounds.
    Type: Application
    Filed: June 27, 2008
    Publication date: July 29, 2010
    Inventors: Lars-Goran Wistrand, Duncan George Wynn, Ian Martin Newington, Veronique Morisson-Iveson
  • Publication number: 20100183522
    Abstract: The present invention relates to a class of compounds and to diagnostic compositions containing such compounds where the compounds are iodine containing compounds. More specifically the iodine containing compounds are chemical compounds containing a tris(aminoalkyl)amine group allowing for the arrangement of three iodinated phenyl groups bound thereto. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging and to contrast media containing such compounds.
    Type: Application
    Filed: June 27, 2008
    Publication date: July 22, 2010
    Inventors: Lars-Goran Wistrand, Duncan George Wynn, Ian Martin Newington
  • Publication number: 20100008864
    Abstract: The present invention relates to novel compounds of formula (I) and (II), compositions comprising compounds of formula (II) and their use as contrast agents in magnetic resonance (MR) imaging (MRI) and MR spectroscopy (MRS).
    Type: Application
    Filed: July 8, 2009
    Publication date: January 14, 2010
    Inventors: Andreas Meijer, Harry John Wadsworth, Ian Martin Newington, Clare L. Jones, Amanda Ewan, Dennis O'Shea, Oskar Axelsson, Anders Brathe, Andreas Olsson, John Henrik Johansen, Duncan George Wynn