Patents by Inventor Terje Thomassen

Terje Thomassen 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 For Producing Pyruvic Acid
    Publication number: 20090118540
    Abstract: The invention relates to a method for the production of pyruvic acid.
    Type: Application
    Filed: September 30, 2005
    Publication date: May 7, 2009
    Applicant: GE HEALTHCARE AS
    Inventors: Marit Rolandsgaard, Jessie Sandosham, Terje Thomassen, David Grace
  • Aminopolycarboxylic acids and derivatives thereof
    Patent number: 5531978
    Abstract: There are provided chelating agents particularly useful for the preparation of diagnostic and therapeutic agents for magnetic resonance imaging, scintigraphy, ultrasound imaging, radiotherapy and heavy metal detoxification, said agents being compounds of formula IX--CHR.sub.1 --NZ--(CHR.sub.1).sub.n --A--(CHR.sub.1).sub.m --NZ--CHR.sub.1 --X (I)wherein n and m are 2, 3 or 4; and A, X, R.sub.1 and Z are as defined in the specification.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: July 2, 1996
    Assignee: Nycomed Imaging AS
    Inventors: Arne Berg, Torsten Almen, Jo Klaveness, Pal Rongved, Terje Thomassen, Harald Dugstad
  • Aminopolycarboxylic acids and derivatives thereof for magnetic resonance imaging
    Patent number: 5419893
    Abstract: There are provided chelating agents particularly useful for the preparation of diagnostic and therapeutic agents for magnetic resonance imaging, scintigraphy, ultrasound imaging, radiotherapy and heavy metal detoxification, said agents being compounds of formula IX--CHR.sub.1 NZ--(CHR.sub.1).sub.n --A--(CHR.sub.1).sub.m --NZ--CHR.sub.1 --X (I)(wherein each of the groups Z is a group --CHR.sub.1 X or the groups Z together are a group --(CHR.sub.1).sub.q --A'--(CHR.sub.1).sub.r --, where A' is an oxygen or sulphur atom or a group --N--Y;A is a group --N--Y or A--(CHR.sub.1).sub.m -- represents a carbon-nitrogen bond or, when the groups Z together are a group --(CHR.sub.1).sub.q --A'--(CHR.sub.1).sub.r --, A may also represent an oxygen or sulphur atom;each Y, which may be the same or different, is a group --(CHR.sub.1).sub.p --N(CHR.sub.1 X).sub.2 or a group --CHR.sub.1 X;each X, which may be the same or different, is a carboxyl group or a derivative thereof or a group R.sub.1 ;each R.sub.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: May 30, 1995
    Assignee: Nycomed Imaging AS
    Inventors: Arne Berg, Torsten Almen, Jo Klaveness, Pal Rongved, Terje Thomassen
  • Aminopolycarboxylic acids and derivatives thereof
    Patent number: 5198208
    Abstract: There are provided chelating agents particularly useful for the preparations of diagnostic and therapeutic agents for magnetic resonance imaging, scintigraphy, ultrasound imaging, radiotherapy and heavy metal detoxification, said agents being compounds of formula X--CHR.sub.1 --NZ--(CHR.sub.1).sub.n --A--(CHR.sub.1).sub.m --NZ--CHR.sub.1 --X wherein (each of the groups Z is a group --CHR.sub.1 X or the groups Z together are a group --(CHR.sub.1).sub.q --A'--(CHR.sub.1).sub.r --, where A' is an oxygen or sulphur atom or a group --N--Y; A is a group --N--Y or A--(CHR.sub.1).sub.m -- represents a carbon-nitrogen bond or, when the groups Z together are a group --(CHR.sub.1).sub.q --A'--(CHR.sub.1).sub.r --, A may also represent an oxygen or sulphur atom; each Y, which may be the same or different, is a group --(CHR.sub.1).sub.p --N(CHR.sub.1 X).sub.2 or a group --CHR.sub.1 X; each X, which may be the same or different, is a carboxyl group or a derivative thereof or a group R.sub.1 ; each R.sub.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: March 30, 1993
    Assignee: Nycomed Imaging AS
    Inventors: Arne Berg, Torsten Almen, Jo Klaveness, Pal Rongved, Terje Thomassen