Patents by Inventor Oskar Axelsson

Oskar Axelsson 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: 8124806
    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 an aliphatic central moiety containing amide functions 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: Grant
    Filed: February 14, 2007
    Date of Patent: February 28, 2012
    Assignee: GE Healthcare AS
    Inventors: Duncan Wynn, Robert James Domett Nairne, Oskar Axelsson, Mikkel Thaning, Nicolas Lasbistes
  • Publication number: 20110202278
    Abstract: A software defined platform is provided for subsea acoustic applications that utilizes a broadband phased array transducer and a configurable, multi-function software defined transducer that is configurable on the fly to enable various subsea acoustic systems to be achieved in a single unit thus reducing the space required on the vessel and the cost of having such multiple functions.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 18, 2011
    Applicant: MARPORT CANADA INC.
    Inventors: Didier Caute, Oskar Axelsson, Karl Kenny
  • Publication number: 20110110865
    Abstract: The present invention relates to chelators, in particular to chelators which are capable of forming complexes, i.e. paramagnetic chelates, with paramagnetic metal ions. The invention also relates to said paramagnetic chelates, said paramagnetic chelates linked to other molecules and their use as contrast agents in magnetic resonance imaging (MRI).
    Type: Application
    Filed: August 12, 2008
    Publication date: May 12, 2011
    Inventors: Oskar Axelsson, Horry John Wadsworth, Ian Martin Newington, Dennis O'Shea
  • 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: 20100284936
    Abstract: The present invention relates to liposomes comprising particles with cores of tungsten or tungsten in mixture with other metallic elements as the contrast enhancing material and to the use of such pharmaceuticals, specifically as contrast agents in diagnostic imaging and in particular in X-ray imaging of liver tumours.
    Type: Application
    Filed: May 19, 2006
    Publication date: November 11, 2010
    Inventors: Oskar Axelsson, Kathrin Bjerknes
  • Publication number: 20100111859
    Abstract: A method for visualizing biological material, preferably by MRI, comprising the steps of: (i) bringing a population of coated nanoparticles into contact with said biological material, each of which nanoparticles comprises a) a metal oxide of a transition metal, said metal oxide preferably being paramagnetic and preferably comprising a lanthanide (+III) such as gadolinium (+III), and b) a coating covering the surface of the core particle, and (ii) recording the image; wherein the coating is hydrophilic and comprises a silane layer which is located next to the surface of the core particle and comprises one or more different silane groups which each comprises an organic group R and a silane-siloxane linkage where a) R comprises a hydrophilic organic group R? and a hydrophobic spacer B, b) O is oxygen directly binding to a surface metal ion of the metal oxide, and c) C is carbon and is also part of B.
    Type: Application
    Filed: January 10, 2008
    Publication date: May 6, 2010
    Inventors: Oskar Axelsson, Kajsa Uvdal
  • 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
  • Publication number: 20090238768
    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: December 1, 2006
    Publication date: September 24, 2009
    Inventors: Oskar Axelsson, Haukur Johannesson, Andreas Meijer, Andreas Olsson, Tim Stahlberg, Mikkel Thaning, Duncan Wynn, Anders Brathe
  • Publication number: 20090216011
    Abstract: The invention relates to an improved process for preparation of protected DO3A, such as DO3A-tri-t-butyl ester (1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid tri-t-butyl ester). The compound is prepared as a salt. The process includes a work-up procedure giving DO3A-tri-t-butyl ester as a salt of excellent purity.
    Type: Application
    Filed: April 18, 2006
    Publication date: August 27, 2009
    Inventors: Oskar Axelsson, Andreas Olsson
  • Publication number: 20090110640
    Abstract: The present invention relates to: Compounds of formula (I) consisting of a cyclic polymer core A and groups -L-X attached to said core A-(L-X)n (I) wherein A denotes a cyclic polymer which is comprised of 3 or 4 identical monomers which are connected by amide bonds; L may be present or not and if present is that same or different and denotes a linker moiety, X is the same or different and denotes a chelator; and n denotes an integer of 3 or 4; Compound of formula (II) consisting of a cyclic polymer core A and groups -L-X? attached to said core A-(L-X?)n (H) wherein A denotes a cyclic polymer which is comprised of 3 or 4 identical monomers which are connected by amide bonds; L may be present or not and if present is that same or different and denotes a linker moiety, X is the same or different and denotes a paramagnetic chelate consisting of a chelator X and a paramagnetic metal ion M; and n denotes an integer of 3 or 4; And compositions comprising compounds of formula (II) and their use as contrast agents in
    Type: Application
    Filed: December 1, 2006
    Publication date: April 30, 2009
    Inventors: Oskar Axelsson, Alan Cuthbertson, Andreas Meijer
  • Publication number: 20090053142
    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 an aliphatic central moiety containing amide functions 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: February 14, 2007
    Publication date: February 26, 2009
    Inventors: Duncan Wynn, Robert James Domett Nairne, Oskar Axelsson, Mikkel Thaning, Nicolas Lasbistes
  • Patent number: 7485753
    Abstract: The present invention relates to iodine containing compounds containing a central cyclopropane scaffolding 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: Grant
    Filed: December 1, 2006
    Date of Patent: February 3, 2009
    Assignee: GE Healthcare AS
    Inventors: Lars-Goran Wistrand, Mikkel Thaning, Oskar Axelsson, Sven Andersson
  • Patent number: 7459144
    Abstract: The present invention provides a process for the preparation of an MR contrast agent, said process comprising: i) obtaining a solution in a solvent of a hydrogenatable, unsaturated substrate compound and a catalyst for the hydrogenation of said substrate compound; ii) introducing said solution in droplet form into a chamber containing hydrogen gas (H2) enriched in para-hydrogen (p-1H2) and/or ortho-deuterium (o-2H2) whereby to hydrogenate said substrate to form a hydrogenated imaging agent; iii) optionally subjecting said hydrogenated imaging agent to a magnetic field having a field strength below earth's ambient field strength; iv) optionally dissolving said imaging agent in an aqueous medium; v) optionally separating said catalyst from the solution of said imaging agent in said aqueous medium; vi) optionally separating said solvent from the solution of said imaging agent in said aqueous medium; and vii) optionally freezing the solution of said imaging agent in said aqueous medium.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: December 2, 2008
    Assignee: GE Healthcare AS
    Inventors: Oskar Axelsson, Charlotte Olofsson, Axel Morgenstjerne, Georg Hansson, Haukur Johannesson, Jan-Henrik Ardenkjaer-Larsen
  • Publication number: 20080267884
    Abstract: The present invention relates to a class of compounds of Formula (I) 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 cyanuric acid scaffolding 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: November 10, 2005
    Publication date: October 30, 2008
    Inventors: Oskar Axelsson, Mikkel Thaning
  • Publication number: 20080233052
    Abstract: The present invention relates to particles comprising cores of tungsten or tungsten in mixture with other metallic elements wherein said cores are coated and have an average size of at least 20 nm. Further, the invention relates to pharmaceuticals containing such particles, and to the use of such pharmaceuticals specifically as contrast agents in diagnostic imaging, in particular in X-ray imaging of atherosclerotic plaque and liver tumours.
    Type: Application
    Filed: May 19, 2006
    Publication date: September 25, 2008
    Inventor: Oskar Axelsson
  • Publication number: 20080199402
    Abstract: The present invention relates to iodine containing compounds containing a central cyclopropane scaffolding 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: December 1, 2006
    Publication date: August 21, 2008
    Inventors: Lars-Goran Wistrand, Mikkel Thaning, Oskar Axelsson, Sven Andersson
  • Patent number: 7346384
    Abstract: The present invention provides a method of contrast enhanced magnetic resonance imaging of a sample, said method comprising: a) administering a hyperpolarised MR contrast agent comprising non-zero nuclear spin nuclei into said sample for fluid dynamic investigations of the vasculature, b) exposing said sample or part of the sample to radiation of a frequency selected to excite nuclear spin transitions in said non-zero nuclear spin nuclei, c) detecting MR signals from said sample using any suitable manipulation method including pulse sequences. The invention also provides novel compounds.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: March 18, 2008
    Assignee: GE Healthcare AS
    Inventors: Stefan Petersson, Oskar Axelsson, Haukur Johanneson
  • Patent number: 7251519
    Abstract: The present invention provides a method of MR investigation of a sample, said method comprising: (i) nuclear spin polarizing a high T1 MR imaging agent which contains in its molecular structure at least two hyperpolarisable nuclei within the same molecule, the frequency difference between the two resonance lines from said nuclei, ??, being dependent upon either the temperature or the pH of said sample; (ii) administering the nuclear spin polarized MR imaging agent to said sample; (iii) exposing said sample to a radiation at a frequency selected to excite nuclear spin transitions in said MR imaging agent; and (iv) detecting and manipulating magnetic resonance signals from said sample using a single-shot RARE acquisition sequence with shifted data acquisition.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: July 31, 2007
    Assignee: GE Healthcare AS
    Inventors: Oskar Axelsson, Jan Henrik Ardenkjaer-Larsen, Sven MÃ¥nsson, Stefan Petersson, Ib Leunbach
  • Publication number: 20070148096
    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 benzene scaffolding 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: December 14, 2006
    Publication date: June 28, 2007
    Inventors: Lars-Goran Wistrand, Mikkel Thaning, Oskar Axelsson, Sven Andersson
  • Publication number: 20070122620
    Abstract: The present invention is generally directed to core/shell nanoparticles, wherein such core/shell nanoparticles comprise a nanoparticle core and a nanoshell disposed about the nanoparticle core such that, in the aggregate, they form a core/shell nanoparticle that is operable for use as an imaging agent in X-ray/computed tomography (CT). Typically, such core/shell nanoparticle-based X-ray CT imaging agents further comprise a targeting species for targeting the imaging agent to diseased sites.
    Type: Application
    Filed: January 26, 2007
    Publication date: May 31, 2007
    Applicant: General Electric Company
    Inventors: Peter Bonitatebus, Robert Colborn, Amit Kulkarni, Andrew Torres, Brian Bales, Oskar Axelsson