Patents by Inventor Karl Andreas Gram

Karl Andreas Gram 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 to produce hyperpolarised carboxylates
    Patent number: 9272056
    Abstract: The invention relates to a dynamic nuclear polarisation method for producing hyperpolarised carboxylates of organic amines and amino compounds and compositions for use in that method. The DNP agent preferably is a stable oxygen-based, sulphur-based or carbon-based trityl radical. Optionally a paramagnetic metal ion is present.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: March 1, 2016
    Assignee: GE Healthcare AS
    Inventors: Mikkel Thaning, Karl Andreas Gram
  • NOZZLE FOR DNP POLARIZER
    Publication number: 20110036453
    Abstract: DNP polarizer comprising a housing receiving a free end of a tubular fluid conduit positioned in fluid communication with a nozzle supported by said housing, said nozzle including an input port, a dispense port and a tapering inner surface or a stepped inner surface defining a nozzle flowpath extending in fluid communication between said input port and said dispense port.
    Type: Application
    Filed: August 27, 2008
    Publication date: February 17, 2011
    Applicant: GE HEALTHCARE LIMITED
    Inventors: Jan Henrik Ardenkjaer-larsen, David Dietrich, Karl Andreas Gram, Andrew M. Leach, Peter Miller, Eric J. Telfeyan, Mikkel Thaning, David B. Whitt
  • Method to Produce Hyperpolarised Carboxylates
    Publication number: 20080292551
    Abstract: The invention relates to a dynamic nuclear polarisation method for producing hyperpolarised carboxylates of organic amines and amino compounds and compositions for use in that method. The DNP agent preferably is a stable oxygen-based, sulphur-based or carbon-based trityl radical. Optionally a paramagnetic metal ion is present.
    Type: Application
    Filed: December 15, 2006
    Publication date: November 27, 2008
    Inventors: Mikkel Thaning, Karl Andreas Gram