Patents by Inventor Marianne Søbye GRØNVOLD

Marianne Søbye GRØNVOLD 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).

  • Ammonia oxidation catalyst for the production of nitric acid based on yttrium-gadolinium ortho cobaltates
    Patent number: 9675963
    Abstract: The present invention relates to a catalytically active component of a catalyst, which comprises single phase oxides, based on a mixed yttrium-gadolinium ortho-cobaltate oxide systems, methods for the oxidation of ammonia and hydrocarbon in the presence of said catalytically active component and the use thereof.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: June 13, 2017
    Assignee: YARA INTERNATIONAL ASA
    Inventors: David Waller, Marianne Søbye Grønvold, Nibal Sahli
  • Ammonia oxidation catalyst for the production of nitric acid based on metal doped yttrium ortho cobaltate
    Patent number: 9403681
    Abstract: The present invention relates to a catalytically active component of a catalyst, which comprises single phase oxides, based on a metal doped yttrium ortho-cobaltate oxide systems, methods for the oxidation of ammonia 5 and hydrocarbon in the presence of said catalytically active component and the use thereof.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: August 2, 2016
    Assignee: YARA INTERNATIONAL ASA
    Inventors: David Waller, Marianne Søbye Grønvold, Nibal Sahli
  • AN AMMONIA OXIDATION CATALYST FOR THE PRODUCTION OF NITRIC ACID BASED ON METAL DOPED YTTRIUM ORTHO COBALTATE
    Publication number: 20150353356
    Abstract: The present invention relates to a catalytically active component of a catalyst, which comprises single phase oxides, based on a metal doped yttrium ortho-cobaltate oxide systems, methods for the oxidation of ammonia 5 and hydrocarbon in the presence of said catalytically active component and the use thereof.
    Type: Application
    Filed: January 24, 2014
    Publication date: December 10, 2015
    Inventors: David WALLER, Marianne Søbye GRØNVOLD, Nibal SAHLI